ADuC843

Data Sheet MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62 kB Flash MCU ADuC841/ADuC842/ADuC843 FEATURES Pin compatible upgrade of ADuC812/ADuC831/ADuC832 Increased performance Single-cycle 20 MIPS 8052 core High speed 420 kSPS 12-bit ADC Increased memory Up to 62 kBytes on-chip Flash/EE program memory 4 kBytes on-chip Flash/EE data memory In-circuit reprogrammable Flash/EE, 100 year retention, 100 kCycle endurance 2304 bytes on-chip data RAM Smaller package 8 mm × 8 mm chip scale package 52-lead PQFP—pin-compatible upgrade Analog I/O 8-channel, 420 kSPS high accuracy, 12-bit ADC On-chip, 15 ppm/°C voltage reference DMA controller, high speed ADC-to-RAM capture Two 12-bit voltage output DACs1 Dual output PWM ∑-∆ DACs On-chip temperature monitor function 8052 based core 8051 compatible instruction set (20 MHz max) High performance single-cycle core 32 kHz external crystal, on-chip programmable PLL 12 interrupt sources, 2 priority levels Dual data pointers, extended 11-bit stack pointer On-chip peripherals Time interval counter (TIC) UART, I2C®, and SPI® Serial I/O Watchdog timer (WDT) Power supply monitor (PSM) Power Normal: 4.5 mA @ 3 V (core CLK = 2.098 MHz) Power-down: 10 µA @ 3 V2 Development tools Low cost, comprehensive development system incorporating nonintrusive single-pin emulation, IDE based assembly and C source debugging APPLICATIONS Optical networking—laser power control Base station systems Precision instrumentation, smart sensors Transient c...