ADBS-A320 Datasheet, PDF (26/55 Pages) AVAGO TECHNOLOGIES LIMITED – Optical Finger Navigation

Figure 19. Sensor packets
Example: Writing Data to Sensor Registers
The host writes a value of 0x02 to address 0x07 in the following illustration.
The example ADBS-A320 address is 0x57.
Packet
Number
ADBS
Address
0 x 57
1
Register
Address
0 x 07
2
Data
0 x 02
3
Packet
type
SDA
host
SDA
ADBS
DA
RA
DP
7
0
START 1010111 0
R/W
7
0
0 0000111
ai
7
0
00000010
ACK
ACK
STOP
ACK
Figure 20. TWI write
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