MAX11300 Datasheet, PDF (2/54 Pages) Maxim Integrated Products – Up to 20 General-Purpose Digital I/Os

MAX11300
PIXI, 20-Port Programmable Mixed-Signal I/O with
12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO
Functional Diagram
CNVT
DOUT
CS
SCLK
DIN
DVDD DAC_REF ADC_INT_REF ADC_EXT_REF
AVDD
AVDDIO
INTERNAL
REFERENCE
SERIAL
INTERFACE
AND
DIGITAL
CORE
CLOCK
GENERATOR
2.5V
2.5V
MAX11300
TEMPERATURE
MONITORS
EXT AND INT
TEMP SENSORS
REFERENCE
MUX
ADC
DAC
GPI
GPO
DAC
SEQUENCER
20
ADC
SEQUENCER ²⁰
20 PIXI PORT
MANAGER
20
20
D1P
D1N
D0P
D0N
PORT[x+1]
PORT[x]
(0 ≤ x ≤ 18)
INT DGND
AGND1 AGND
AVSSIO
www.maximintegrated.com
Maxim Integrated │  2