MAX11311 Datasheet, PDF (44/51 Pages) Maxim Integrated Products – PIXI, 12-Port Programmable Mixed-Signal I/O with 12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO

MAX11311
PIXI, 12-Port Programmable Mixed-Signal I/O with
12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO
Table 4. Port Functional Modes
MODE
DESCRIPTION
0 High impedance
FUNCID[3:0]
FUNCPRM[11:0]
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0
0
0
0
Digital input with
1 programmable
threshold, GPI
0
0
0
1
2
Bidirectional level
translator terminal
0
0
1
0
Register-driven digital
3 output with DAC-
0
0
1
1
controlled level, GPO
Unidirectional path
4 output with DAC-
controlled level, GPO
0
1
0
0 INV
5 Analog output for DAC 0 1 0 1
6
Analog output for DAC
with ADC monitoring
0
1
1
0 AVR
7
Positive analog input to
single-ended ADC
0
1
1
1
0
8
Positive analog input to
differential ADC
1
0
0
0
0
9
Negative analog input
to differential ADC
1
0
0
1
0
Analog output for DAC
and negative analog
10 input to differential ADC 1
0
1
0
0
(pseudo-differential
mode)
RANGE
RANGE
RANGE
RANGE
RANGE
RANGE
ASSOCIATED PORT*
# OF SAMPLES
# OF SAMPLES ASSOCIATED PORT*
Terminal to GPI-
11 controlled analog
switch
1
0
1
1 INV
ASSOCIATED PORT*
Terminal to register-
12 controlled analog
switch
1
1
0
0
*Port must be configured separately to a compatible mode.
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