ADUC7122 - Precision Analog Microcontroller

4 External Crystal Selection 46 Specifications 5 External Clock Selection 46 Timing Specifications 9 Power Control System 47 Absolute Maximum Ratings 14 MMRs and Keys 48 ESD Caution 14 Digital Peripherals 49 Pin Configuration and Function Descriptions 15 PWM General Overview 49 Term

• Analog I/O 13-external channel, 12-bit, 1 MSPS ADC 2 differential channels with programmable gain PGA (1 to 5) input range IOVDD power monitor channel On-chip temperature monitor 11 general-purpose inputs Fully differential and single-ended modes 0 V to VREF analog input range 12 × 12-bit voltage output DACs On-chip voltage reference: 1.2 V/2.5 V Buffered output reference sources for use with external circuits Microcontroller ARM7TDMI core, 16-bit/32-bit RISC architecture JTAG port supports code.