Description

Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU with Enhanced IRQ Handler Features:Analog I/O Multichannel, 12-bit, 1 MSPS ADC Up to 12 ADC channels Fully differential and single-ended modes 0 V to VREF analog input range 12-bit voltage output DACs 4 DAC outputs available On-chip voltage reference On-chip temperature sensor Voltage comparatorMicrocontroller ARM7TDMI core, 16-bit/32-bit RISC architecture JTAG port supports code download and debugClocking options Trimmed on-chip oscillator (±3%) External watch crystal External clock source up to 44 MHz 41.78 MHz PLL with programmable divider Memory 62 kB Flash/EE memory, 8 kB SRAM In-circuit download, JTAG-based debug Software-triggered in-circuit reprogrammability Vectored interrupt controller for FIQ and IRQ 8 priority levels for each interrupt type Interrupt on edge or level external pin inputsOn-chip peripherals 2× fully I2C-compatible channels SPI (20 Mbps in master mode, 10 Mbps in slave mode) With 4-byte FIFO on input and output stages Up to 20 GPIO pins - Digital only GPIOs are 5 V tolerant 3× general-purpose timers Watchdog timer (WDT) Programmable logic array (PLA) 16 PLA elements 16-bit, 5-channel PWM