Description
5
Detailed Block Diagram  10 Specifications 11
Timing Specifications  14 Absolute Maximum Ratings 21
ESD Caution 21 Pin Configurations and Function Descriptions  22
ADuC7019/ADuC7020/ADuC7021/ADuC7022  22 ADuC7024/ADuC7025  26 ADuC7026/ADuC7027  29 ADuC7028 32 ADuC7029 34 Typical Performance Characteristics  36 Terminology  39 ADC Specifications  39 DAC Specifications 39 Overview of the ARM7TDMI Core 40 Thumb Mode (T) 40 Long Multiply (M) 40 EmbeddedICE (I)  40 Exceptions  40
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 ARM7TDMI core, 16-bit/32-bit RISC architecture JTAG port supports code download and debug
Clocking options Trimmed on-chip oscillator (±3%) External watch crystal External clock source up to 44 MHz 41.78 MHz.