Description
Data Sheet Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU ADuC7019/20/21/22/24/25/26/27/28/29 .
5
Detailed Block Diagram 10 Specifications 11
Timing Specifications 14 Absolute Maximum Ratings 21
ESD Caution 21 Pin Configurations and Function D.
Features
* Analog I/O Multichannel, 12-bit, 1 MSPS ADC Up to 16 ADC channels1 Fully differential and single-ended modes 0 V to VREF analog input range 12-bit voltage output DACs Up to 4 DAC outputs available1 On-chip voltage reference On-chip temperature sensor (±3°C) Voltage comparator
Microcontroller ARM7TDM
Applications
* Industrial control and automation systems Smart sensors, precision instrumentation Base station systems, optical networking
FUNCTIONAL BLOCK DIAGRAM
ADC0 TO ADC4, ADC12 TO ADC14
ADC15 CMP0 CMP1
CMPOUT VREF
XCLKI XCLKO
RST
MUX
1MSPS 12-BIT ADC
TEMP SENSOR
BAND GAP REF
ADuC7019
12-BIT DAC
12-B