ml7204v-001tb Oki Semiconductor, ml7204v-001tb Datasheet - Page 29

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

Configuration Example 2 (Basic Call, CODEC_B)
This example shows the configuration for making calls with an analog telephone set (A-TEL) on the NW side by
connecting the analog telephone interface on the Linear PCM CODEC_B side.
OKI Semiconductor
VREGOUT
DGND1
DGND0
DVDD2
DGND2
AVREF
DVDD1
DVDD0
VFRO1
VFRO0
AIN1N
GSX0
AIN0N
AIN0P
AGND
AVDD
GSX1
VGB
AMP2
AMP3
10kΩ
A-TEL
POWER
10kΩ
VREF
10kΩ
10kΩ
AMP0
AMP1
12.288 MHz
PLL
OSC
A/D1
D/A1
A/D0
D/A0
Linear PCM
(CODEC_B)
Linear PCM
(CODEC_A)
CKGN
BPF
BPF
LPF
LPF
MCK
SYNC (8 kHz)
STGAINA
ML7204 (Configuration example 2)
TXGAINB
STGAINB
(CODEC_A)
RXGAINB
TXGAINA
(CODEC_B)
Codec
Linear
Linear
PCM
Codec
PCM
RXGAINA
RXGENB
TXDETA
RXGEN
TXDETB
CODECA_TXEN
CODECA
CODECB_TXEN
TXDETB
RXDET
TXDETA
CODECB_RXEN
Detector path setting
Sin
Rout
LPAD
DTMF_REC
TONE_DET0
TONE_DET1
FSK_DET
EC
RX_SIG
+
AFF
-
ATTr
ATTs
LPEN1
LPEN0
FDET
FDET_FER/FDET_OER
FDET_D[7:0]
DTMF_DET
DTMF_CODE[3:0]
TONE0_DET
TONE1_DET
Center
Echo Canceller
Clip
RX_SIG
GPAD
Sout
Rin
Generator path
Unused
TONE_GEN1
TONE_GEN0
(TONE)
(TONE)
FSK_GEN
TGEN1_EXFL
TGEN0_EXFLAG
FGEN_FLAG
RX_SIG
RXGEN
TXGAIN PCM1
TXGAIN_PCM0
TXGAIN_SC
RXGAIN_PCM0
RXGENB_EN
TXGEN
RXGENA_EN
Speech
PCM_RXEN0
SC_TXEN
Codec
PCM
Codec
PCM_TXEN1
PCM_TXEN0
RX_SIG
RXDET
RXGENA
RXGENB
RXGEN
TXGEN
SC_RXEN
RXGAIN_S
PCM_RXEN1
RXGAIN_PCM1
PCM
MCU
I/F
I/F
RX1TX2
TXGAIN
_CH2
_GAIN
RXGAIN
RXGAIN
RXGAIN_ITS1
RXGAIN_ITS2
_CH1
_CH2
TXGAIN
DPGEN
DPDET
TIMER
G.729.A
RX2TX1
_GAIN
PCM Codec
Encoder
Encoder
G.711
Decoder
FDET_FER/FDET_OER
G.729.A
G.711
FEDL7204-001DIGEST-01
Decoder
Speech Codec
G.711
G.711
DTMF_CODE[3:0]
TONE0_DET
TONE1_DET
FGEN_FLAG
TIMOVF
DP_DET
GPIO2
GPIO0
DTMF_DET
FDET_RQ
DC_EN
DC_EN
DP_DET
TIMOVF
CH1
CH2
CH1
CH2
T
S
W
T
S
W
VoIP-NW
CONT
TS
Bus Control
8
Controller
PCM I/F
Frame/DMA
Register
Control
Buffer0
Buffer1
Buffer0
Buffer1
Unit
INT
ML7204-001
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]
FR1B
FR0B
WRB
RDB
CSB
D0-D15
A0-A7
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