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STW5098T データシート(PDF) 50 Page - STMicroelectronics

部品番号 STW5098T
部品情報  Dual low power asynchronous stereo audio Codec with integrated power amplifiers
PDF  85 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW5098T データシート(HTML) 50 Page - STMicroelectronics

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Control interface and master clock
STw5098
50/85
6
Control interface and master clock
Unless specified, the following description applies to both entities.
6.1
Control interface I2C mode
Figure 5.
Control interface I2C format
Note:
CMOD pin tied to GND
Figure 6.
Control interface: I2C format timing
WRITE
SINGLE BYTE
START
DEVICE ADDRESSREG n ADDRESS REG n DATA IN
ACK
ACK
ACK
STOP
WRITE
MULTI BYTE
START
DEVICE ADDRESSREG n ADDRESS REG n DATA IN
ACK
ACK
ACK
STOP
REG n+m DATA IN
ACK
m+1 data bytes
CURRENT ADDR
START
DEVICE ADDRESSCurrent REG DATA OUT
ACK
NO ACK
STOP
READ
SINGLE BYTE
CURRENT ADDR
START
DEVICE ADDRESSCurrent REG DATA OUT
ACK
NO ACK
STOP
READ
MULTI BYTE
Curr REG+m DATA OUT
ACK
ACK
ACK
m+1 data bytes
START
DEVICE ADDRESSREG n ADDRESS
ACK
ACK
START
DEVICE ADDRESS
REG n DATA OUT
ACK
NO ACK
STOP
RANDOM ADDR
READ
SINGLE BYTE
RANDOM ADDR
READ
MULTI BYTE
START
DEVICE ADDRESSREG n ADDRESS
ACK
ACK
START
DEVICE ADDRESS
NO ACK
STOP
REG n+m DATA OUT
ACK ACK
m+1 data bytes
REG n DATA OUT
ACK
001 101AS1
001 101 AS1
001 101AS0
0011 01AS0
0011 01AS1
0 0110 1AS1
001 101AS0
001 101AS0
(STO)
tSU
(STA)
tSU
(STA)
tHD
(DAT)
tSU
tHIGH
tBUF
(DAT)
tHD
tF
tR
tLOW
(STA)
tHD
P
S
P
Sr
P= STOP
S = START
Sr = START repeated
SDA
SCLK



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