ml7204v-001tb Oki Semiconductor, ml7204v-001tb Datasheet - Page 28

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

FUNCTIONAL DESCRIPTION
Transmit and receive buffers
CONFIGURATION EXAMPLES
Configuration Example 1 (Basic Call, CODEC_A)
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_A side.
OKI Semiconductor
VREGOUT
DVDD2
DVDD1
DVDD0
VFRO0
DGND2
DGND1
DGND0
AVREF
AVDD
AGND
VFRO1
AIN1N
AIN0N
AIN0P
GSX0
GSX1
VGB
AMP2
AMP3
10kΩ
POWER
10kΩ
10kΩ
VREF
10kΩ
AMP0
AMP1
A-TEL
12.288 MHz
OSC
PLL
Codec (CODEC_A)
Codec (CODEC_B)
A/D1
D/A1
A/D0
D/A0
Linear PCM
Linear PCM
CKGN
BPF
LPF
BPF
LPF
MCK
SYNC (8 kHz)
STGAINA
STGAINB
TXGAINB
RXGAINB
TXGAINA
ML7204 (Configuration example 1)
RXGAINA
(CODEC_B)
(CODEC_A)
RXGENB
RXGENA
TXDETB
Linear
Linear
TXDETA
Codec
Codec
PCM
PCM
CODECA_TXEN
CODECA_RXEN
CODECB_TXEN
TXDETA
TXDETB
CODECB_RXEN
Detector path setting
RXDET
Rout
Sin
TONE_DET0
LPAD
TONE_DET1
DTMF_REC
FSK_DET
+
AFF
-
EC
ATTr
ATTs
LPEN1
LPEN0
RX_SIG
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
Unused
TONE_GEN0
(TONE A/ B)
TONE_GEN1
FSK_GEN
(TONE C/ D)
TGEN1_EXFLAG
TGEN0_EXFLAG
FGEN_FLAG
RX_SIG
TXGAIN_PCM1
RXGEN
TXGAIN_PCM0
TXGAIN_SC
RXGAIN PCM0
TXGEN
RXGENB_EN
PCM_RXEN0
RXGENA_EN
SC_TXEN
Speech
Codec
Codec
PCM_TXEN1
PCM
PCM_TXEN0
RX_SIG
RXDET
RXGENB
TXGEN
RXGENA
RXGEN
SC_RXEN
RXGAIN_SC
PCM_RXEN1
RXGAIN_PCM1
PCM
MCU
_CH2
I/F
I/F
RX1T
_GAIN
RXGAIN
RXGAIN
RXGAIN_ITS1
RXGAIN_ITS2
_CH1
_CH2
TXGAIN
_CH1
DPGEN
DPDET
TIMER
G.729.A
RX2TX1
_GAIN
PCM Codec
Encoder
Encoder
FDET_FER/FDET_OER
G.711
Decoder
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
DC_EN
DC_EN
FDET_RQ
DP_DET
TIMOVF
CH1
CH2
CH1
CH2
T
S
W
T
S
W
CONT
VoIP-NW
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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