MAX11312 Datasheet, PDF (25/54 Pages) Maxim Integrated Products – PIXI, 12-Port Programmable Mixed-Signal I/O with 12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO

MAX11312
PIXI, 12-Port Programmable Mixed-Signal I/O with
12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO
Table 1. MAX11312 Slave Addresses
PIN AD1
DGND
DGND
DGND
DGND
DVDD
DVDD
DVDD
DVDD
PIN AD0
DGND
SDA
SCL
DVDD
DGND
SDA
SCL
DVDD
A6
A5
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
SLAVE ADDRESS
A4
A3
A2
1
1
0
1
1
0
1
1
0
1
1
0
1
1
1
1
1
1
1
1
1
1
1
1
Table 2. Single Register I²C Write Transaction Format
B7
B6
B5
B4
B3
B2
B1
START
1^st byte
2^nd byte
0
3^rd byte
4^th byte
7-Bit Slave Address[6:0]
Address[6:0]
Data[15:8]
Data[7:0]
STOP
B0
R/WB
A1
A0
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
N/ACK
ACK
ACK
ACK
ACK
Table 3. Single Register I²C Read Transaction Format
B7
B6
B5
B4
B3
B2
B1
START
1^st byte
2^nd byte
7-Bit Slave Address[6:0]
0
Address[6:0]
RESTART
1^st byte
3^rd byte
4^th byte
7-Bit Slave Address[6:0]
Data[15:8]
Data[7:0]
STOP
B0
R/WB
R/WB
N/ACK
ACK
ACK
ACK
ACK
NACK (from host)
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