ml7074-001ga Oki Semiconductor, ml7074-001ga Datasheet - Page 28

• Manufacturer Part Number: ml7074-001ga
• Description: Speech Codec
• Manufacturer: Oki Semiconductor

Examples of settings in the initialization mode
⋅ CR15 = 40
⋅ CR10 = 00h (VFRO1 = AVREF/VFRO0 = AVREF)
⋅ CR11 = 00h (Frame/10 ms/16B/PCMIF = 16-bit linear)
⋅ CR12 = 01h (Speech CODEC = G.729.A/PCMIF_EN = “1”)
⋅ Various settings
⋅ CR0 = 29h (AFE_EN = Power-down/LONG/OPE_STAT = “1”)
PCM I/F Mode
Oki Semiconductor
CLKSEL
AIN0P
PCMO
GSX0
VFRO0
VFRO1
AVREF
SYNC
AIN0N
AIN1N
BCLK
PCMI
GSX1
10kΩ
10kΩ
AMP0
AMP1
AMP2
AMP3
10kΩ
10kΩ
Function stopped
Serial I/F
Cannot be used
S/P
P/S
VRE
F
Linear PCM Codec
A/D
D/A
Codec
Encoder
Decoder
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
TONE_DET0
TONE_DET1
DTMF_REC
Encoder
G.729.A
G.729.A
Decoder
G.729.A
G.729.A
DTMF_CODE[3:0]
G.726
G.711
G.726
G.711
CR17-B0(GPO0)
CR16-B0(GPI0)
TONE0_DET
TONE1_DET
DP_DET
DTMF_DET
DP_DET
TONE0_DET
TONE1_DET
DTMF_DET
DTMF_CODE[3:0]
Bus Control Unit
Frame/DMA
Register
Controller
Control
Buffer0
Buffer1
Buffer0
Buffer1
INT
TX
TX
RX
RX
ML7074-001GA
16b
8b
A0-A7
D0-D15
CSB
RDB
WRB
FR0B
FR1B
ACK0B
ACK1B
INTB
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