SLAVE
ADDRESS
COMMAND CODE
DATA LOW
DATA HIGH
1
1
SCL
SDA 11 1 XXXXX XXX XXX
R/W
ACK
VID4
VID3
VID0
VID2
VID1
C7
C6
C5
000
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PS
R/W
ACK
VID4
VID3
VID0
VID2
VID1
ACK
VID4
VID3
VID0
VID1
VID2
ACK
ACK
SLAVE
ADDRESS
SLAVE
ADDRESS
COMMAND CODE
DATA LOW
DATA HIGH
1
1
SCL
SDA
NOTE 1: S = START CONDITION, P = STOP CONDITION
NOTE 2: C7, C6, C5 = 001 FOR SETUP, 010 FOR READ-BACK, 000 FOR ON AND 011 FOR OFF
1699 TD01
11 1 XXXXX
ACK
C7
C6
C5
000 1 1
RD
11000 00
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SMBus WRITE WORD PROTOCOL, WITH SMBus ADDRESS = 1110001B,
COMMAND BYTE = 001X XXXB, DATA LOW = 0100 1XXXB, DATA HIGH = 0101 1XXXB
SMBus READ WORD PROTOCOL, WITH SMBus ADDRESS = 1110001B,
COMMAND BYTE = 010X XXXB, DATA LOW = 0100 1000B, DATA HIGH = 0101 1000B
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
PS
ACK
S
VID4
VID3
VID0
VID1
VID2
ACK
DCON
00
DCON
ACK