ml7204v-001tb Oki Semiconductor, ml7204v-001tb Datasheet - Page 36

• Manufacturer Part Number: ml7204v-001tb
• Description: Voip Codec
• Manufacturer: Oki Semiconductor

Configuration Example 7 (CODEC-A-CODEC-B Loop Back Mode)
This example shows the configuration where CODEC_A and CODEC_B are connected in loopback mode
according to the internal path settings.
OKI Semiconductor
VREGOUT
DGND2
DGND1
VFRO1
DVDD1
DGND0
VFRO0
DVDD2
DVDD0
AVREF
AGND
AIN1N
AIN0N
AIN0P
GSX0
AVDD
VGB
GSX1
AMP3
AMP2
10kΩ
10kΩ
POWER
10kΩ
10kΩ
VREF
AMP0
AMP1
12.288 MHz
A
B
OSC
PLL
Codec (CODEC_B)
Codec (CODEC_A)
A/D1
D/A1
A/D0
D/A0
Linear PCM
Linear PCM
CKGN
BPF
LPF
BPF
LPF
MCK
SYNC (8 kHz)
STGAINA
TXGAINA
TXGAINB
ML7204 (Configuration example 7)
STGAINB
RXGAINB
(CODEC_A)
(CODEC_B)
Linear
Linear
RXGAINA
Codec
Codec
PCM
PCM
RXGENA
RXGENB
TXDETB
TXDETA
CODECA_TXEN
CODECA_RXEN
CODECB_TXEN
TXDETA
TXDETB
RXDET
Detector path setting
CODECB_RXEN
Rout
Sin
LPAD
TONE_DET0
TONE_DET1
DTMF_REC
FSK_DET
+
EC
AFF
-
RX_SIG
ATTr
ATTs
LPEN1
LPEN0
FDET_RQ
FDET_FER/FDET_OER
FDET_D[7:0]
DTMF DET
DTMF_CODE[3:0]
TONE0_DET
TONE1_DET
Center
Echo Canceller
Clip
GPAD
RX_SIG
Sout
Rin
Generator path
TONE_GEN1
(TONE C/ D)
TONE_GEN0
Unused
(TONE A/ B)
FSK_GEN
TGEN1_EXFLAG
TGEN0_EXFLAG
FGEN_FLAG
RX_SIG
TXGAIN_PCM0
RXGEN
TXGAIN_PCM1
TXGAIN_SC
RXGAIN_PCM0
TXGEN
RXGENB_EN
RXGENA_EN
PCM_RXEN0
SC_TXEN
Speech
Codec
Codec
PCM
PCM_TXEN1
PCM_TXEN0
RX_SIG
RXDET
TXGEN
RXGENA
RXGENB
RXGEN
SC_RXEN
RXGAIN SC
RXGAIN_PCM1
PCM_RXEN1
MCU
PCM
I/F
I/F
TXGAIN
RX1TX2
_GAIN
_CH2
RXGAIN
_CH1
RXGAIN
RXGAIN_ITS1
RXGAIN_ITS2
TXGAIN
_CH1
CH2
DPGEN
DPDET
TIMER
G.729.A
RX2TX1
_GAIN
PCM Codec
Encoder
Encoder
G.711
FDET_FER/FDET_OER
G.729.A
G.711
Decode
FEDL7204-001DIGEST-01
G.711
Decoder
Speech Codec
G.711
DTMF_CODE[3:0]
TONE0_DET
TONE1_DET
FGEN_FLAG
TIMOVF
DP_DET
DTMF_DET
GPIO2
GPIO0
DC_EN
FDET RQ
DC_EN
DP_DET
TIMOVF
CH1
CH2
CH1
CH2
T
S
W
T
S
W
CONT
TS
Bus Control
8
Controller
PCM I/F
Frame/DMA
Register
Control
Buffer0
Buffer1
Buffer0
Buffer1
Unit
ML7204-001
INT
TX
TX
RX
RX
6
P/S
S/P
4
16b
8b
PCMO
SYNC
BCLK
CLKSEL
PCMI
ACK1B/
GPIOA[5]
ACK0B/
GPIOA[4]
INTB/
GPIOA[6]
36/42
FR1B
FR0B
WRB
RDB
CSB
D0-D15
A0-A7