ml7074a-003 Oki Semiconductor, ml7074a-003 Datasheet - Page 27

• Manufacturer Part Number: ml7074a-003
• Description: Voip Codec
• Manufacturer: Oki Semiconductor

Examples of settings in the initialization mode
⋅ CR15 = 40h * This is mandatory.
⋅ CR6=01h,CR7=16h,CR8=00h,CR9=01h,CR1=80h (Address : 0116h, Data : 0001h)
* This is mandatory. As for how to set them, refer to Method of Accessing and Controlling Internal Data Memory.
⋅ CR11 = 05h (Frame/10 ms/16B/G.726/TRANS_EN= “1”)
⋅ CR10 = 00h (VFRO1 = AVREF/VFRO0 = AVREF)
⋅ Various settings
⋅ CR0 = 29h (AFE_EN = Power down/LONG/OPE_STAT = “1”)
G.729.A ↔ G.726 Mutual Conversion
OKI Semiconductor
CLKSEL
AIN0P
PCMO
GSX0
VFRO0
VFRO1
AVREF
SYNC
AIN0N
AIN1N
BCLK
PCMI
GSX1
10kΩ
10kΩ
AMP0
AMP1
AMP2
AMP3
10kΩ
10kΩ
Serial I/F
Function stopped
Cannot be used
S/P
P/S
VREF
Linear PCM Codec
A/D
D/A
Codec
Decoder
Encoder
G.711
G.726
G.711
G.726
BPF
LPF
STGAIN
OSC
PLL
Rout
Sin
LPAD
+
AFF
CKGN
Echo Canceller
-
ATTr
ATTs
Center
Clip
MCK
SYNC(8kHz)
GPAD
Sout
Rin
Power
FSK_GEN
TONE_GEN
(TONEA/B)
TXGAIN
RXGAIN
DPGEN
DPDET
TIMER
Speech Codec
DTMF_REC
TONE_DET0
TONE_DET1
Decoder
Encoder
G.729.A
G.729.A
G.729.A
G.729.A
DTMF_CODE[3:0]
G.726
G.711
G.726
G.711
CR16-B0(GPI0)
CR17-B0(GPO0)
TONE0_DET
TONE1_DET
DP_DET
DTMF_DET
DP_DET
TONE0_DET
TONE1_DET
DTMF_DET
DTMF_CODE[3:0]
Bus Control Unit
FEDL7074-003FULL-01
Frame/DMA
Register
Controller
Control
Buffer0
Buffer1
Buffer0
Buffer1
INT
RX
RX
TX
TX
ML7074-003 GA
16b
8b
A0-A7
D0-D15
CSB
RDB
WRB
FR0B
FR1B
ACK0B
ACK1B
INTB
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