MSM7570L-XX [OKI]
Multi-Function ADPCM CODEC; 多功能的ADPCM编解码器
| 型号： | MSM7570L-XX |
| 厂家： | 
OKI ELECTRONIC COMPONETS |
| 描述： | Multi-Function ADPCM CODEC |
| 文件： | 总26页 (文件大小：174K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
E2U0028-28-82
This version: Aug. 1998
Previous version: Nov. 1996
¡ Semiconductor
MSM7570L-01/02
Multi-Function ADPCM CODEC
GENERAL DESCRIPTION
The MSM7570L-01/02, developed for advanced digital cordless telephone systems, are single
channelADPCMCODECICswhichperformmutualtranscodingbetweentheanalogvoiceband
signal and 32 kbps ADPCM serial data.
The devices include DTMF Tone and several types of tone generation, transmit/receive data
mute and gain control, side-tone path and gain control, and VOX function.
Using advanced circuit technology, these devices operate from a single 3 V power supply and
provide low power consumption.
Note: The MSM7570L–01differs from MSM7570L–02 in Ringing Tone Frequency.
FEATURES
• Single 3 V Power Supply Operation
• ADPCM Algorithm :
VDD: 2.7 V to 3.6 V
ITU-T G.726 (32 kbps, 24 kbps, 16 kbps)
• Full-Duplex Transmit/Receive Operation
• Transmit/Receive Synchronous Mode Only
• PCM Data Format :
A-law/µ-law Selectable
• Serial PCM/ADPCM Transmission Data Rate :64 kbps to 2048 kbps
• Low Power Consumption
Operating Mode :
Power-Down Mode :
21 mW Typ. (VDD = 3.0 V)
0.3 mW Typ. (VDD = 3.0 V)
• Two Analog Input Amplifier Stages :
• Analog Output Stage :
• Master Clock Frequency :
Externally Adjustable Gain
Push-pull Drive (direct drive of 350 W + 120 nF)
12.288/19.200 MHz Selectable
• Transmit/Receive Mute, Transmit/Receive Programmable Gain Control
• Side Tone Path with Programmable Attenuation
• Built-in DTMF Tone Generator
(8-step Level Adjustment)
• Built-in Various Ringing/Function Tones Generator
• Built-in Various Ring Back Tone Generator
• Serial MCU Interface Control
• Built-in Sounder Driving Amplifier
• Built-in VOX Control
Transmit side :
Receive side :
Voice Signal Detect
Background Noise Generation
• Characteristic Evaluation Board.
• Package:
32-pin plastic TSOP
(TSOPI32-P-814-0.50-1K)
(Product name: MSM7570L-01TS-K)
(Product name: MSM7570L-02TS-K)
1/26
AIN1–
–
+
AIN1+
GSX1
Voice
Detect
VOXO
P
/
S
XSYNC
IS
ADPCM
CODER
Compan-
der
RC
Filter
A/D
Conv.
AIN2
–
+
BPF
S
/
Transmit gain adjust
PCMSI
TXMUTE
GSX2
P
DTMF/other
Tone Generator
P
/
S
PCMSO
BCLK
AOUT+
–1
Side tone gain adjust
Tone gain adjust
S
/
P
Power Detect
Noise Generator
PCMRI
–
+
AOUT–
P
/
RXMUTE
PCMRO
PWI
S
VFRO
Ex-
pan-
der
ADPCM
DECODER
RC
Filter
D/A
Conv.
S
/
P
+
+
IR
LPF
RSYNC
Receive gain adjust
VOXI
SAO+
SAO–
+1
–1
Clock/Timing
MCU Interface
VREF
SG
MSM7570L-01/02
¡ Semiconductor
PIN CONFIGURATION (TOP VIEW)
AG
SG
AIN1+
AIN1–
GSX1
AIN2
GSX2
VFRO
PWI
AOUT–
AOUT+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
32
31
30
29
28
27
26
25
24
23
DG
BCLK
XSYNC
RSYNC
PCMSO
PCMSI
IS
IR
PCMRO
PCMRI
22 MCK
21 DEN
20 EXCK
SAO+
SAO–
PDN/RESET
19
18
17
DIN
DOUT
VOXO
VOXI 15
VDD 16
32-Pin Plastic TSOP
3/26
MSM7570L-01/02
¡ Semiconductor
PIN AND FUNCTIONAL DESCRIPTIONS
AIN1+, AIN1–, AIN2, GSX1, GSX2
Transmits analog input and the output for transmit gain adjustment.
AIN1– (AIN2) connects to the inverting input of the internal transmit amplifier. AIN1+ connects
to the non-inverting input of the internal transmit amplifier. GSX1 (GSX2) connects to the
internal transmit amplifier output. Refer to Fig.1 for gain adjustment.
VFRO, AOUT+, AOUT–, PWI
Receives analog output and the output for receive gain adjustment.
VFRO is the receive filter output. AOUT+ and AOUT– are differential analog signal outputs
which can directly drive Z = 350 W + 120 nF or a 1.2 kW load. Refer to Fig.1 for gain adjustment.
L
AIN1–
–
VREF
C1
C1
R1
R1
Differential
Analog Input
R2
+
Vi
AIN1+
GSX1
R2
10 mF
SG
AIN2
+
0.1 mF
–
+
–
C2
R3
to ENCODER
R4
GSX2
VFRO
Transmit Gain: VGSX2/Vi
= (R2/R1) ¥ (R4/R3)
Receive Gain: Vo/VFRO
= 2 ¥ (R6/R5)
from
DECODER
R5
R6
PWI
–
+
AOUT–
SELECT
Differential
Analog
ZL = 120 nF
VO
+ 350 W
Output
AOUT+
SAO+
–1
+1
–1
Differential
Sound Output
ZL = 120 nF
+ 350 W
SAO–
Figure 1 Analog Input/Output Interface
4/26
MSM7570L-01/02
¡ Semiconductor
SAO+, SAO–
Differential analog outputs for sound output.
ControlregisterdataCR4-B5determinestheoutputpins(AOUT+andAOUT-/SAO+andSAO-
) for the voice signal and an acoustic component of the sound tone, DTMF tone, R tone, F tone,
and various types of tones at either the VFRO pin or the SAO+ and SAO- pins. The output load
conditions of these pins are the same as those of AOUT+ and AOUT-.
SG
Analog signal ground.
The output voltage of this pin is approximately 1.4 V. Put the bypass capacitors (10µF in parallel
with 0.1 µF ceramic type) between this pin and AG to get the specified noise characteristics.
During power-down, this output voltage is 0 V. The SG voltage if necessary should be used via
a beffer.
AG
Analog ground.
DG
Digital ground.
This ground is separated from the analog signal ground pin (AG). The DG pin must be kept as
close as possible to AG on the PCB.
VDD
+3 V power supply.
PDN/RESET
Power down and reset control input.
A “0” level makes the IC enter a power down state. At the same time, all control register data are
reset to the initial state. Set this pin to “1” during normal operating mode. The power down state
is controlled by a logical OR with CR0-B5 of the control register. When using PDN/RESET for
power down and reset control, set CR0-B5 to digital “0”.
The reset width (during “L”) should be 200ns or more.
MCK
Master clock input.
The frequency must be 12.288 MHz or 19.2 MHz. The applied clock frequency is selected by the
controlregisterdataCR0-B6. ThemasterclocksignalmaybeasynchronouswithBCLK, XSYNC,
and RSYNC.
5/26
MSM7570L-01/02
¡ Semiconductor
PCMSO
Transmit PCM data output.
PCM is output from MSB in synchronization with the rising edge of BCLK and XSYNC.
PCMSI
Transmit PCM data input.
This signal is converted to the transmit ADPCM data. PCM is shifted in synchronization with
the falling edge of BCLK. Normally, this pin is connected to PCMSO.
PCMRO
Receive PCM data output.
PCM is the output signal after ADPCM decoder processing. This signal is output serially from
MSB in synchronization with the rising edge of BCLK and RSYNC.
PCMRI
Receive PCM data input.
PCM is shifted on the rising edge of the BCLK and input from MSB. Normally, this pin is
connected to PCMRO.
IS
Transmit ADPCM signal output.
After having encoded PCM with ADPCM, this signal is output from MSB in synchronization
with the rising edge of BCLK and XSYNC. This pin is an open drain output and remains in a high
impedence state during power-down. IS requires a pull-up resistor.
IR
Receive ADPCM signal input.
This input signal is shifted serially on the falling edge of BCLK in synchronization with RSYNC,
and input from MSB.
BCLK
Shift clock input for the PCM data (PCMSO, PCMSI, PCMRO, PCMRI) and the ADPCM data(IS,
IR) .
The frequency is set in the 64 kHz to 2048 kHz range.
6/26
MSM7570L-01/02
¡ Semiconductor
XSYNC
Transmit PCM and ADPCM data 8 kHz synchronous signal input.
Synchronize this signal with BCLK signal. XSYNC is used to indicate the MSB of the transmit
serial PCM and ADPCM data stream.
Be sure to input the XSYNC signal because it is also used as the input of the timing generator.
RSYNC
Receive PCM and ADPCM data synchronous signal input.
Synchronize this signal with BCLK signal. RSYNC is used to indicate the MSB of the receive
serial PCM and ADPCM data stream.
VOXO
Transmit VOX function signal output.
VOX function voice recognizes the presence or absence of the transmit voice signal by detecting
the signal energy. “1” and “0” levels set on this pin correspond to the presence and the absence
of voice, respectively. This result appears at the register data CR7-B7. The signal energy detect
threshold is set by the control register data CR6-B6, B5.
VOXI
Signal input for receive VOX function.
A“1”levelatVOXIindicatesthepresenceofavoicesignal. Thedecoderblockprocessesnormal
receive signal, and the voice signal appears at the analog output pins . The “0” level indicates
the absence of a voice signal. Background noise generated in this device is transferred to the
analog output pins. The background noise amplitude is set by the control register CR6. Because
this signal is ORed with the register data CR6-B3, set the control register data CR6-B3 to digital
“0”.
7/26
MSM7570L-01/02
¡ Semiconductor
Voice Input
GSX2
Silence
VOXO
Voice
Voice
TVXOFF
Silence
Detect (Hang-over time)
TVXON
Voice
Detect
(a) Transmit VOX Function Timing Diagram
Silence
VOXI
Voice
Voice
Voice Output
VFRO
Background
Noise
Normal Voice Signal
Decoded Time period
(b) Receive VOX Function (CR6-B3: digital "0") Timing Diagram
Note: VOXO, VOXI functions becomes valid when setting CR6-B7 to digital “1”.
Figure 2 VOX Function
8/26
MSM7570L-01/02
¡ Semiconductor
DEN , EXCK, DIN, DOUT
Serial control ports for MCU interface.
Reading and writing data are performed by an external MCU through these pins. Eight registers
with eight bits are provided on the devices.
DEN is the “Enable” control signal input, EXCK is the data shift clock input, DIN is the address
and data input, and DOUT is the data output.
Fig.3 shows the input/output timing diagram.
DEN
EXCK
W
A2 A1 A0 B7 B6 B5 B4 B3 B2 B1 B0
DIN
DOUT
High Impedance
(a) Write Data Timing Diagram
DEN
EXCK
DIN
R
A2 A1 A0
DOUT
B7 B6 B5 B4 B3 B2 B1 B0
High Impedance
(b) Read Data Timing Diagram
Figure 3 MCU Interface Input/Output Timing
Table 1 shows the register map.
Table-1
Control and Detect Data
Address
Name
R/W
R/W
R/W
R/W
R/W
B7
A/m
SEL
B6
B5
PDN
ALL
TX
B4
B3
B2
B1
B0
PDN
A2 A1 A0
MCK
SEL
CR0
CR1
CR2
CR3
CR4
CR5
CR6
CR7
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
—
—
—
—
SAO/AOUT
RX
RX
TX
MUTE
RX
RX
MUTE
RX
MODE1 MODE0
—
RESET RESET
PAD
TX
TX
TX
TX
RX
RX
ON/OFF GAIN2
GAIN1
GAIN0 ON/OFF GAIN2
GAIN1
TONE
GAIN1
GAIN0
TONE
GAIN0
Side Tone Side Tone Side Tone TONE
TONE
TONE
GAIN2 GAIN1
GAIN0 ON/OFF GAIN3
SAO/
GAIN2
DTMF/
TONE
OTHERS
TONE4 TONE3 TONE2 TONE1 TONE0 R/W
SEND
—
VFRO
SEL
—
—
—
—
—
—
—
R/W
R/W
R
VOX
ON
ON
OFF
VOX RX NOISE RX NOISE RX NOISE
ON/OFF
LVL1
LVL0
TIME
IN
LEVEL SEL LVL1
LVL0
VOX TX NOISE TX NOISE
OUT LVL1 LVL0
—
—
—
—
—
R/W : Read/Write enable R : Read only register.
9/26
MSM7570L-01/02
¡ Semiconductor
ABSOLUTE MAXIMUM RATINGS
Parameter
Power Supply Voltage
Analog Input Voltage
Digital Input Voltage
Storage Temperature
Symbol
VDD
Condition
Rating
Unit
V
—
—
—
—
–0.3 to +5
– 0.3 to VDD + 0.3
–0.3 to VDD + 0.3
–55 to +150
VAIN
V
VDIN
V
TSTG
°C
RECOMMENDED OPERATING CONDITIONS
Parameter
Power Supply Voltage
Operating Temperature
Symbol
VDD
Condition
Voltage must be fixed
—
Min.
Typ.
—
Max.
Unit
V
2.7
3.6
Ta
–25
+25
+70
°C
MCK, XSYNC, RSYNC, PCMRI,
PCMSI, BCLK, IR, PDN/RESET,
DEN, EXCK, DIN
0.45
VIH
Digital Input High Voltage
—
—
VDD
V
V
¥ VDD
MCK, XSYNC, RSYNC, PCMRI,
PCMSI, BCLK, IR, PDN/RESET,
DEN, EXCK, DIN
0.16
VIL
Digital Input Low Voltage
Master Clock Frequency
0
¥ VDD
fMCK1
fMCK2
fBCK
MCK (CR0–B6 = "0")
MCK (CR0–B6 = "1")
BCLK
–
0.01% 12.288
0.01% 19.200
+
0.01% MHz
0.01% MHz
–
+
Bit Clock Frequency
64
—
30
—
8.0
50
2048
kHz
kHz
%
fSYMC
DC
Synchronous Signal Frequency
Clock Duty Ratio
XSYNC, RSYNC
—
70
MCK, BCLK, EXCK
MCK, XSYNC, RSYNC, PCMRI,
PCMSI, BCLK, IR, PDN/RESET,
DEN, EXCK, DIN
tIr
Digital Input Rise Time
Digital Input Fall Time
—
—
—
—
50
50
ns
ns
MCK, XSYNC, RSYNC, PCMRI,
PCMSI, BCLK, IR, PDN/RESET,
DEN, EXCK, DIN
tIf
tXS
tXS
BCLK to XSYNC
100
100
100
100
—
—
—
—
—
—
—
—
—
—
—
—
ns
ns
ns
ns
ms
ns
ns
W
Transmit Sync Signal Setting Time
Receive Sync Signal Setting Time
XSYNC to BCLK
tRS
tSR
tWS
tDS
tDH
RDL
CDL
CSG
BCLK to RSYNC
—
RSYNC to BCLK
—
Synchronous Signal Width
PCM, ADPCM Set-up Time
PCM, ADPCM Hold Time
XSYNC, RSYNC
1 BCLK
100
100
—
—
—
100
—
IS (Pull-up Resistor)
IS, PCMSO, PCMRO, VOXO, DOUT
SG to AG
500
—
Digital Output Load
—
100
—
pF
mF
Bypass Capacitors for SG
10 + 0.1
10/26
MSM7570L-01/02
¡ Semiconductor
ELECTRICAL CHARACTERISTICS
DC and Digital Interface Characteristics
(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)
Parameter
Symbol
IDD1
Condition
Operating Mode,
No Signal,
Min.
Typ.
Max.
Unit
mA
mA
V
—
7
14
3.0 V)
(VDD =
Power Supply Current
Power Down Mode,
3.0 V)
IDD2
(VDD
=
—
0.1
—
0.2
0.45
¥ VDD
Input High Voltage
Input Low Voltage
Input Leakage Current
VIH
—
VDD
0.16
¥ VDD
2.0
VIL
—
0.0
—
V
IIH
IIL
VI = VDD
VI = 0 V
—
—
0.0
—
—
—
—
—
0.2
—
5
mA
mA
V
0.5
Output Low Voltage
Output Leakage Current
Input Capacitance
VOL 1 LSTTL, Pull-up: 500 W
0.4
IO
IS
10
mA
pF
kW
CIN
—
—
Output Resistance
ROSG SG
SG´GND 10 + 0.1 mF
(Rise time to 90% of max. level)
25
50
SG Warm-up Time
TSG
—
700
—
ns
Transmit Analog Interface Characteristics
(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)
Parameter
Input Resistance
Symbol
Condition
Min.
10
Typ.
—
Max.
—
Unit
MW
kW
RINX AIN1+ , AIN1– , AIN2
RLGX GSX1, GSX2
Output Load Resistance
Output Load Capacitance
Output Amplitude
20
—
—
CLGX GSX1, GSX2
—
—
100
*1.30
+20
pF
VOGX GSX1, GSX2, RL = 20 kW
VOFGX Pre–OPAMPs
—
—
VPP
mV
Input Offset Voltage
–20
—
*
–7.7 dBm (600 W) = 0 dBm0, + 3.14 dBm0 = 1.30 V (A-law)
PP
–7.7 dBm (600 W) = 0 dBm0, + 3.17 dBm0 = 1.30 V (m-law)
PP
11/26
MSM7570L-01/02
¡ Semiconductor
Receive Analog Interface Characteristics
(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)
Parameter
Input Resistance
Symbol
Condition
Min.
10
Typ.
—
Max.
—
Unit
MW
kW
kW
pF
RINPW PWI
RLVF VFRO
20
—
—
Output Load Resistance
Output Capacitance
RLAO AOUT+, AOUT–, SAO+, SAO–
CLVF VFRO
1.2
—
—
—
—
100
100
*1.30
*1.30
CLAO AOUT+, AOUT–, SAO+, SAO–
—
—
pF
VOVF VFRO,
AOUT+,
RL = 20 kW
—
—
VPP
VPP
RL = 1.2 kW
—
—
Output Voltage Level
AOUT–,
VOAO
ZL = 350 W
SAO+,
—
—
—
—
*1.30
+100
+20
VPP
mV
mV
+ 120 nF(See Fig.1)
SAO–
VOFVF VFRO
–100
–20
Offset Voltage
AOUT+, AOUT– (GAIN = 0 dB,
Power amp only) SAO+, SAO–
Power amp (0.3 to 3.4 kHz,
ZL = 350 W + 120 nF)(See Fig.1)
VOFAO
GDB
Open Loop Gain
40
—
—
dB
*
–7.7 dBm (600 W) = 0 dBm0, + 3.14 dBm0 = 1.30 V (A-law)
PP
–7.7 dBm (600 W) = 0 dBm0, + 3.17 dBm0 = 1.30 V (m-law)
PP
12/26
MSM7570L-01/02
¡ Semiconductor
AC Chracteristics
(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)
Condition
Level
Parameter
Symbol
Freq.
(Hz)
Min.
Typ.
Max.
Unit
Others
(dBm0)
LOSS T1
0 to 60
25
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
LOSS T2 300 to 3000
–0.15
—
+0.20
Transmit Frequency
Response
LOSS T3
LOSS T4
LOSS T5
LOSS T6
1020
3300
Reference
0
0
—
–0.15
0
—
+0.80
0.80
—
3400
—
3968.75
13
—
LOSS R1 0 to 3000
–0.15
—
+0.20
LOSS R2
LOSS R3
LOSS R4
LOSS R5
SD T1
SD T2
SD T3
SD T4
SD T5
SD R1
SD R2
SD R3
SD R4
SD R5
GT T1
GT T2
GT T3
GT T4
GT T5
GT R1
GT R2
GT R3
GT R4
GT R5
1020
3300
Reference
Receive Frequency
Response
—
(*1)
(*1)
—
–0.15
0
—
+0.80
0.80
—
3400
—
3968.75
13
—
3
35
—
—
0
35
—
—
Transmit Signal
1020
1020
1020
1020
–30
–40
–45
3
35
—
—
to Distortion Ratio
28
—
—
23
—
—
35
—
—
0
35
—
—
Receive Signal
–30
–40
–45
3
35
—
—
to Distortion Ratio
28
—
—
23
—
—
–0.2
—
+0.2
–10
–40
–50
–55
3
Reference
Transmit Gain
Tracking
–0.2
–0.5
–1.2
–0.2
—
+0.2
+0.5
+1.2
+0.2
—
—
—
–10
–40
–50
–55
Reference
—
Receive Gain
Tracking
—
–0.2
–0.5
–1.2
+0.2
+0.5
+1.2
—
—
*1 Use the P-message weighted filter
13/26
MSM7570L-01/02
¡ Semiconductor
AC Characteristics (Continued)
(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)
Condition
Level
Parameter
Symbol
Freq.
(Hz)
Min.
Typ.
Max.
Unit
Others
(dBm0)
–68
NIDLT
NIDLR
AVT
—
—
AIN = SG
—
(*1)
—
—
—
—
(–75.7) dBmOp
Idle Channel Noise
(*1)
(*2)
–72
(dBmp)
(–79.7)
0.320
(*3)
0.320
(*3)
—
GSX2 0.285
VFRO 0.285
0.359 Vrms
0.359 Vrms
Absolute Signal
Amplitude
1020
0
AVR
PSRRT Noise Freq.
Noise Level
: 50 mVPP
30
—
—
dB
dB
ns
ns
Power Supply Noise
Rejection Ratio
—
30
PSRRR : 0 to 50 kHz
—
tSDX
tSDR
tXD1
0
0
—
200
200
—
Digital Output
Delay Time
0
—
—
—
200
200
200
ns
ns
ns
tRD1
1 LSTTL + 100 pF, See
—
PCM and ADPCM
Interface
tXD2
Pull-up: 500 W Fig.4
0
0
tRD2
tXD3
tRD3
tM1
tM2
tM3
tM4
tM5
50
50
50
50
100
50
50
0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
50
—
—
50
10
ns
ns
ns
ns
Serial Port Digital
Input/Output Setting
Time
CL = 100 pF
See
ns
tM6
tM7
—
—
ns
Fig.5
ns
tM8
ns
tM9
50
50
0
ns
tM10
tM11
fEXCK
ns
ns
Shift Clock Frequency
—
EXCK
—
MHz
*1 Use the P-message weighted filter
*2 PCMRI input code "11010101"(A-law)
"11111111"(m-law)
*3 0.320 Vrms = 0 dBm0 = –7.7 dBm
Note: All ADPCM coder and decoder characteristics comply with ITU-T Recommendation
G.726.
14/26
MSM7570L-01/02
¡ Semiconductor
AC Characteristics (DTMF and Other Tones)
(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)
Parameter
Symbol
Condition
Min.
–7
Typ.
—
Max.
+7
Unit
Hz
DFT1 DTMF Tones
DFT2 Other Tones
VTL
Frequency Difference
–7
—
+7
Hz
DTMF (Low)
–18
–16
–14
dBm0
Transmit Tones
DTMF (High)
and Other Tones
DTMF (Low)
VTH
VRL
VRH
(Gain setting 0dB)
–16
–10
–8
–14
–8
–12
–6
dBm0
dBm0
dBm0
Original (reference)
Tone Signal Level
*4
Receive Tones
(Tone generator
gain setting –6dB)
DTMF (High)
and Other Tones
–6
–4
Relative Level of
DTMF Tones
RDTMF VTH/VTL, VRH/VRL
1
2
3
dBm0
*4 Does not contain the setting value set for the programmable gain
AC Characteristics (Programmable Gain Stages)
(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)
Parameter
Gain Accuracy
Symbol
Condition
Min.
Typ.
Max.
Unit
DG
All gain stages, to programmed value
–1
0
+1
dB
AC Characteristics (VOX Function)
(VDD = 2.7 V to 3.6 V, Ta = –25°C to +70°C)
Parameter
Transmit VOX Detect Time
(Voice Signal ON/OFF Detect Time
Transmit VOX Detect Level
Accuracy
Symbol
tVXON
Condition
VOXO,
See Fig.2
Min.
Typ.
10 *5
Max.
Unit
OFF Æ ON
ON Æ OFF
—
—
ms
)
tVXOF
150/310 160/320 170/330 ms
D
VX
–2.5
0
+2.5
dB
To the values (CR6-B6, B5)
(Threshold Level)
*5 When single tone is input at 1000Hz
15/26
MSM7570L-01/02
¡ Semiconductor
TIMING DIAGRAM
Transmit Side PCM/ADPCM Data Interface
0
1
2
3
4
5
5
6
6
7
7
8
8
9
9
10
10
BCLK
XSYNC
PCMSO
BCLK
XSYNC
IS
tSX
tWS
tXS
tXD1
tXD2
tXD3
LSB
MSB
tSDX
0
1
2
3
4
tSX
tXS
tXD1
tXD2
tXD3
LSB
MSB
tSDX
Receive Side PCM/ADPCM Data Interface
0
1
2
3
4
5
6
7
8
9
10
BCLK
tSR
tWS
tDH
tRS
RSYNC
IR
tDS
MSB
LSB
BCLK
0
1
2
3
4
5
6
7
8
9
10
tSR
tRS
RSYNC
tRD1
tRD2
tRD3
LSB
MSB
PCMRO
tSDR
Figure 4 PCM/ADPCM Data Interface
16/26
MSM7570L-01/02
¡ Semiconductor
Serial Port Data Transfer for MCU Interface
DEN
tM10
tM5
tM2
EXCK
1
2
3
4
5
6
11
12
tM6
tM7
tM9
tM1
tM3
tM4
DIN
W/R
A2
A1
A0
B7
B1
B0
B0
tM11
tM8
B7
DOUT
B1
Figure 5 MCU Interface
17/26
MSM7570L-01/02
¡ Semiconductor
FUNCTIONAL DESCRIPTION
Control Registers
(1) CR0 (Basic operating mode)
B7
A/m SEL
0
B6
MCK SEL
0
B5
PDN ALL
0
B4
—
0
B3
—
0
B2
—
0
B1
—
0
B0
PDN
CR0
SAO/AOUT
0
Initial Value (Note)
Note: Initial Value: Reset state by PDN/RESET
B7 ...PCM Companding law select;
B6 ...Master clock frequency select;
B5 ...Power down (entire system);
0/µ-law, 1/A-law
0/12.288 MHz, 1/19.200 MHz
0/Power on, 1/Power down
When using this data for power down control, set pin PDN/RESET at “1”level.
The control registers are not reset by this signal.
B2 ...Not used
B1 ...Not used
B0 ...Power Down for Sound output amps: (SAO+, SAO–), or Receiver output amp (AOUT+,
AOUT–, VFRO );
If this data is set to digital “1”, either a pair of sound amplifiers or a pair of reciver
amplifiers enters the power down state depending on the set data on CR4-B5.
If this data is set to digital "0", sound amplifiers and receiver amplifiers are in the power-
on state.
B4, B3 ...Notused(Thesepinsareusedtotestthedevice. Theyshouldbesetto"0"duringnormal
operation.)
18/26
MSM7570L-01/02
¡ Semiconductor
(2) CR1 (ADPCM block operating mode)
B7
MODE1
0
B6
B5
B4
B3
B2
B1
—
0
B0
RX PAD
0
CR1
MODE0 TX RESET RX RESET TX MUTE RX MUTE
Initial Value
0
0
0
0
0
B7, B6 ... ADPCM data compression algorithm select;
(0, 0):
(0, 1):
(1, 0):
(1, 1):
32 kbps
64 kbps (data through)
24 kbps
16 kbps
B5 ... ADPCM of transmit reset (specified by G.726);
B4 ... ADPCM of receive reset (specified by G.726 );
B3 ... ADPCM transmit data mute,
B2 ... ADPCM receive data mute,
B1 ... Not used
1/Reset*
1/Reset*
1/Mute
1/Mute
B0 ... Receive side PAD,
1/inserted,12 dB loss
0/no PAD
*
The reset width should be 125ms or more.
The transmitter and receiver cannot be reset separately.
They must be reset at the same time.
19/26
MSM7570L-01/02
¡ Semiconductor
(3) CR2 (PCM CODEC operational mode setting and transmit/receive gain adjustment)
B7
B6
B5
B4
B3
B2
B1
B0
CR2
TX ON/OFF TX GAIN2 TX GAIN1 TX GAIN0 RX ON/OFF RX GAIN2 RX GAIN1 RX GAIN0
Initial Value
0
0
0
0
0
0
0
0
B7 ... PCM Coder disable;
0/Enable, 1/Disable (transmit PCM idle pattern)
B6, B5, B4 ... Transmit gain adjustment, refer to Table-2.
B3 ... PCM Decoder disable;
0/Enable, 1/Disable (receive PCM idle pattern)
B2, B1, B0 ... Receive gain setting, refer to Table-2.
Table-2
B6
0
B5
0
B4
0
Transmit Gain
–6 dB
B2
0
B1
0
B0
0
Receive Gain
–6 dB
0
0
1
–4 dB
0
0
1
–4 dB
0
1
0
–2 dB
0
1
0
–2 dB
0
1
1
0 dB
0
1
1
0 dB
1
0
0
+2 dB
1
0
0
+2 dB
1
0
1
+4 dB
1
0
1
+4 dB
1
1
0
+6 dB
1
1
0
+6 dB
1
1
1
+8 dB
1
1
1
+8 dB
This programmable gain table, not only for transmit/receive voice signal and the transmitted
DTMF and other tones. The transmission of these tone signal is enabled by the CR4-B6 data
described later. The original (reference) signal amplitude of these tones is analogically defined
as follows.
DTMF low-group-tones.................................... –16 dBm0
DTMF high-group-tones and others............... –14 dBm0
For example, when selecting +8 dB (B6, B5, B4) = (1,1,1) as a transmit gain, each tone signal
amplitude with an analogical expression on the pin PCMSO becomes as follows .
DTMF low-group tones .................................... –8 dBm0
DTMF high-group tones and other tones ...... –6 dBm0
Gain setting for the side tone (path to receive side from transmit side) and the receive side tone
is performed by register CR3.
20/26
MSM7570L-01/02
¡ Semiconductor
(4) CR3 (Side tone and other tone generator gain setting)
B7
B6
B5
B4
TONE
ON/OFF
0
B3
TONE
GAIN3
0
B2
TONE
GAIN2
0
B1
TONE
GAIN1
0
B0
TONE
GAIN0
0
Side. Tone Side. Tone Side. Tone
CR3
GAIN2
0
GAIN1
0
GAIN0
0
Initial Value
B7, B6, B5 ... Side tone path gain setting, refer to Table-3.
B4 ... Tone generator enable; 0/Disable, 1/Enable
B3, B2, B1, B0 ... Tone generator gain adjustment for receive side, refer to Table-4
Table-3
B7
0
B6
0
B5
0
Side Tone Path Gain
OFF
0
0
1
–21 dB
–19 dB
–17 dB
–15 dB
–13 dB
–11 dB
–9 dB
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
Table-4
B3
0
B2
0
B1
0
B0 Tone Generator Gain B3
B2
0
B1
0
B0 Tone Generator Gain
0
1
0
1
0
1
0
1
–36 dB
–34 dB
–32 dB
–30 dB
–28 dB
–26 dB
–24 dB
–22 dB
1
1
1
1
1
1
1
1
0
1
0
1
0
1
0
1
–20 dB
–18 dB
–16 dB
–14 dB
–12 dB
–10 dB
–8 dB
0
0
0
0
0
0
0
1
0
1
0
0
1
0
1
0
1
0
1
0
0
1
0
1
0
0
1
1
1
1
0
1
1
1
1
–6 dB
The tone generator gain setting table for the receive side, as shown in Table-4, depends upon the
following reference level.
DTMF low-group tones ................................ –2 dBm0
DTMF high-group tones and others ............ 0 dBm0
Forexample,whenselecting–6dB(B3,B2,B1,B0)=(1,1,1,1)asatonegeneratorgain,eachDTMF
tone signal amplitude on SAO+/SAO– or VFRO is as follows.
DTMF low-group tone..................................–8 dBm0
DTMF high-group tone or other tones ....... –6 dBm0
21/26
MSM7570L-01/02
¡ Semiconductor
(5) CR4 (Tone genereator operating mode and frequency select)
B7
DTMF/OTHERS
SEL
B6
TONE
SEND
0
B5
SAO/
VFRO
0
B4
TONE4
0
B3
TONE3
0
B2
TONE2
0
B1
TONE1
0
B0
TONE0
0
CR4
Initial Value
0
B7 ... DTMF or other tones select; 0/Others, 1/DTMF
B6 ... Tone transmit enable (Transmit side); 0/Voice signal (transmit), 1/Tone transmit
B5 ... Tone output pin select (Receive side); 0/VFRO, 1/SAO+ and SAO–
B4, B3, B2, B1, B0 ... Tone frequency setting, referred to Table-5-1, 5-2, and 5-3.
(a) B7 = 1 (DTMF tone)
Table-5-1
B4 B3 B2 B1 B0
Frequency
B4 B3 B2 B1 B0
Frequency
*
*
*
*
*
*
*
*
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
697 Hz + 1209 Hz
697 Hz + 1336 Hz
697 Hz + 1477 Hz
697 Hz + 1633 Hz
770 Hz + 1209 Hz
770 Hz + 1336 Hz
770 Hz + 1477 Hz
770 Hz + 1633 Hz
*
*
*
*
*
*
*
*
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
852 Hz + 1209 Hz
852 Hz + 1336 Hz
852 Hz + 1477 Hz
852 Hz + 1633 Hz
941 Hz + 1209 Hz
941 Hz + 1336 Hz
941 Hz + 1477 Hz
941 Hz + 1633 Hz
*Unrelated
(b) B7 = 0 (Other tones)
<MSM7570L-01>
Table-5-2
B4 B3 B2 B1 B0
Frequency
B4 B3 B2 B1 B0
Frequency
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1k/1333 Hz, 16 Hz wamb.
800/667 Hz, 16 Hz wamb.
800/1k Hz,16 Hz wamb.
500/667 Hz,16 Hz wamb.
500/400 Hz,16 Hz wamb.
800/1k Hz, 8 Hz wamb.
500/400 Hz, 8 Hz wamb.
400 Hz,16 Hz wamb.
400 Hz,20 Hz wamb.
400 Hz Single tone
425 Hz Single tone
440 Hz Single tone
450 Hz Single tone
800 Hz Single tone
1000 Hz Single tone
1300 Hz Single tone
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2000 Hz Single tone
2042 Hz Single tone
2514 Hz Single tone
500 Hz Single tone
667 Hz Single tone
1333 Hz Single tone
2100 Hz Single tone
—
—
—
—
—
—
—
—
—
22/26
MSM7570L-01/02
¡ Semiconductor
(b) B7 = 0 (Other tones)
<MSM7570L-02>
Table-5-3
B4 B3 B2 B1 B0
Frequency
B4 B3 B2 B1 B0
Frequency
Single tone
Single tone
Single tone
Single tone
Single tone
Single tone
Single tone
Single tone
Single tone
—
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1k/1333 Hz 16 Hz wamb.
800/1k Hz 16 Hz wamb.
800/1k Hz 8 Hz wamb.
400 Hz, 16 Hz wamb.
2700 Hz, 16 Hz wamb.
400 Hz
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2500 Hz
2600 Hz
2670 Hz
2700 Hz
2800 Hz
2910 Hz
3000 Hz
3110 Hz
3200 Hz
800 Hz
1000 Hz
1333 Hz
1440 Hz
1900 Hz
—
2000 Hz
—
2100 Hz
—
2180 Hz
—
2300 Hz
—
2400 Hz
—
(6) CR5 (Not used)
B7
—
0
B6
—
0
B5
—
0
B4
—
0
B3
—
0
B2
—
0
B1
—
0
B0
—
0
CR5
Initial Value
B7 – B0..... Not used
23/26
MSM7570L-01/02
¡ Semiconductor
(7) CR6 (VOX function control)
B7
VOX
ON/OFF
0
B6
B5
ON
B4
OFF
TIME
0
B3
VOX IN
0
B2
B1
B0
ON
LVL1
0
RX NOISE RX NOISE RX NOISE
CR6
LVL0
0
LEVEL SEL
0
LVL1
0
LVL0
0
Initial Value
B7 ... VOX function enable;
0/Disable, 1/Enable
B6, B5 ... Transmit signal energy detect (Transmit VOX) threshold
(0, 0): –30 dBm0
(0, 1): –35 dBm0
(1, 0): –40 dBm0
(1, 1): –45 dBm0
B4 ... Hang-over time (Fig.2, T
;
0/160 ms, 1/320 ms
0/Background noise transmit, 1/Voice signal detect
When using this data for control, set pin VOXI at “0” level.
VXOFF)
B3 ... Receive VOX function setting;
B2 ... Background noise amplitude setting;
0/Automatic, 1/Programmable by B1 and B0
Automatic : Set the noise at the voice signal amplitude when B3 (or VOXI) changes from
“1” to digital “0”.
B1, B0 ... (0, 0): No noise
(0, 1): –55 dBm0
(1, 0): –45 dBm0
(1, 1): –35 dBm0
(8) CR7 (Detect register, read only)
B7
VOX
OUT
0
B6
B5
B4
—
*
B3
—
*
B2
—
*
B1
—
*
B0
TX NOISE TX NOISE
—
CR7
LVL1
0
LVL0
0
*
Initial Value
For IC test
*
B7 ... Transmit VOX function result;
0/Silence, 1/Voice
B6, B5 ... Transmit silence level (indicator); (at 1000 Hz)
(0, 0) : Below –60 dBm0
(0, 1) : –50 to –60 dBm0
(1, 0) : –40 to –50 dBm0
(1, 1) : Above –40 dBm0
Note: These outputs are valid only when the VOX
function is enabled by CR6-B7.
B4 ... Not used
B3 ... Not used
B2 ... Not used
B1 ... Not used
B0 ... Not used
24/26
MSM7570L-01/02
¡ Semiconductor
APPLICATION CIRCUIT
MSM7570L-01/02 TS
VDD
–
+
–
+
Bit Clock
(64 kHz to 2048 kHz)
1
2
3
32
31
30
AG
SG
DG
BCLK
AIN1+
XSYNC
8 kHz Sync. Signal input
4
5
6
7
29
28
27
26
AIN1–
GSX1
AIN2
RSYNC
PCMSO
PCMSI
IS
Transmit
Voice
Analog Input
VDD
ADPCM Output
ADPCM Input
GSX2
8
9
25
24
23
22
21
20
19
18
17
VFRO
PWI
IR
PCMRO
10
11
12
13
14
15
16
AOUT–
AOUT+
SAO+
PCMRI
MCK
Master Clock
Receive Voice Analog Output
Sound
DEN
Serial MCU
Interface
SAO–
EXCK
DIN
Power-Down/Reset Input
VOX IN
PDN/RESET
VOXI
DOUT
VOXO
VOX OUT
VDD
* Single-ended Analog Input Stage Type
25/26
MSM7570L-01/02
¡ Semiconductor
PACKAGE DIMENSIONS
TSOPI32-P-814-0.50-1K
(Unit : mm)
Mirror finish
Package material
Epoxy resin
Lead frame material
Pin treatment
Solder plate thickness
Package weight (g)
42 alloy
Solder plating
5 mm or more
0.27 TYP.
Notes for Mounting the Surface Mount Type Package
The SOP, QFP, TSOP, SOJ, QFJ (PLCC), SHP and BGA are surface mount type packages, which
are very susceptible to heat in reflow mounting and humidity absorbed in storage.
Therefore, before you perform reflow mounting, contact Oki’s responsible sales person for the
product name, package name, pin number, package code and desired mounting conditions
(reflow method, temperature and times).
26/26
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