參數(shù)資料
型號: MSM7575
廠商: OKI SEMICONDUCTOR CO., LTD.
元件分類: Codec
英文描述: Multi-Function ADPCM CODEC(多功能ADPCM(自適應(yīng)差分脈沖編碼調(diào)制)編碼譯碼器)
中文描述: 多功能差分PcM編解碼器(多功能差分PcM(自適應(yīng)差分脈沖編碼調(diào)制)編碼譯碼器)
文件頁數(shù): 9/25頁
文件大小: 187K
代理商: MSM7575
9/25
Semiconductor
MSM7575
High Impedance
(a) Write Data Timing Diagram
High Impedance
(b) Read Data Timing Diagram
DEN
W
EXCK
DIN
A2
DOUT
A1
A0
B7
B6
B5
B4
B3
B2
B1
B0
R
A2
A1
A0
B7
B6
B5
B4
B3
B2
B1
B0
DEN
EXCK
DIN
DOUT
Figure 5 MCU Interface Input/Output Timing
Register map is shown below.
Table-1
DEN , EXCK, DIN, DOUT
Serial control ports for MCU interface. Reading and writing data is performed by an external
MCU through these pins. Total 8 registers with 8 bits are provided on the devices.
DEN is the “Enable” control signal input, EXCK is the data shift clock input, DIN is the address
and data input, and DOUT is the data output.
Fig.5 shows the input or output timing diagram.
R/W : Enable to read/write R : Read only register.
Name
Address
A2
A1
A0
Control and Detect Data
B5
B4
PDN
ALL
TX
R/W
B7
A/
m
SEL
B6
MCK
SEL
B3
PDN
RX
B2
B1
B0
PDN
CR0
CR1
CR2
CR3
CR4
CR5
CR6
CR7
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
VOX
OUT
TX NOISE
LVL1
TX NOISE
LVL0
VOX
ON/OFF
ON
LVL1
ON
LVL0
OFF
TIME
VOX
IN
RX NOISE
LEVEL SEL
RX NOISE
LVL1
RX NOISE
LVL0
SW1-
CONT
SW2-
CONT
SW3-
CONT
SW4-
CONT
SW5-&
SW6-CONT
SW7-
CONT
SW8-
CONT
SW9-
CONT
TONE4
TONE3
TONE2
TONE1
TONE0
DTMF/
OTHERS
SEL
TONE
SEND
SAO/
VFRO
Side Tone
GAIN2
Side Tone
GAIN1
Side Tone
GAIN0
TONE
ON/OFF
TONE
GAIN3
TONE
GAIN2
TONE
GAIN1
TONE
GAIN0
TX
ON/OFF
TX
GAIN2
TX
GAIN1
TX
GAIN0
RX
ON/OFF
RX
GAIN2
RX
GAIN1
RX
GAIN0
RX PAD
TOUT2
-CONT
TOUT1
-CONT
TOUT3
-CONT
PDN
SAO/AOUT
LNR
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