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STW4810 Datasheet(PDF) 20 Page - STMicroelectronics

Part # STW4810
Description  Power management for multimedia processors
PDF  78 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW4810 Datasheet(HTML) 20 Page - STMicroelectronics

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Functional description
STw4810
20/78
I2C interface modes
Figure 7.
Control interface: I2C format
Figure 8.
Control interface: I2C timing
Table 3.
Device ID
b7
b6
b5
b4
b3
b2
b1
b0
AdrID6
AdrID5
AdrID4
AdrID3
AdrID2
AdrID1
AdrID0
R/W
Table 4.
Register address
b7
b6
b5
b4
b3
b2
b1
b0
RegADR7
RegADR6
RegADR5
RegADR4
RegADR3
RegADR2
RegADR1
RegADR0
Table 5.
Register data
b7
b6
b5
b4
b3
b2
b1
b0
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
DEVICE ADDRESS
0 1 0 1 1 0 1 0
REGn ADDRESS
REGn Data In
WRITE
SINGLE BYTE
START
ACK
ACK
ACK
STOP
DEVICE ADDRESS
0 1 0 1 1 0 1 0
REGn ADDRESS
START
ACK
ACK
DEVICE ADDRESS
0 1 0 1 1 0 1 1
REGn Data Out
START
ACK
NO ACK
RANDOM ADDR
SINGLE BYTE
READ
DEVICE ADDRESS
0 1 0 1 1 0 1 0
REGn ADDRESS
START
ACK
ACK
DEVICE ADDRESS
0 1 0 1 1 0 1 1
START
Reg n Data Out
ACK
NO ACK
STOP
m+1 data bytes
ACK
Reg n + m Data Out
RANDOM ADDR
MULTI BYTE
READ
ACK
Stop
Start repeated
Stop
tbuf
thd_sta
tf
tlow
tr
thigh
thd_dat
tsu_dat
Start
SDA
SCL
tsu_sta
thd_sta
tsu_sto
USBSDA
USBSCL



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