Analog Peripherals
24 or 16-Bit ADC

• No missing codes
• 0.0015% nonlinearity
• Programmable conversion rates up to 1 ksps
• 8-Input multiplexer
• 1x to 128x PGA
• Built-in temperature sensor

Two 8-Bit Current Output DACs
Comparator

• Programmable hysteresis and response time
• Configurable as interrupt or reset source
• Low current (0.4 μA)

On-chip Debug

• On-chip debug circuitry facilitates full speed, non-intrusive in-system debug (No emulator required)
• Provides breakpoints, single stepping,
• inspect/modify memory and registers
• Superior performance to emulation systems using ICE-Chips, target pods, and sockets
• Low Cost, Complete Development Kit

Supply Voltage 2.7 to 3.6 V

• Typical operating current:5.8 mA @ 25 MHz;
• 11 μA @ 32 kHz
• Typical stop mode current:0.1 μA

Temperature Range: –40 to +85 °C

High Speed 8051 μC Core

• Pipelined Instruction architecture; executes 70% of instructions in 1 or 2 system clocks
• Up to 50 MIPS throughput
• Expanded interrupt handler

Memory

• 768 Bytes (256 + 512) On-Chip RAM
• 8 kB Flash; In-system programmable in 512-byte Sectors

Digital Peripherals

• 17 Port I/O; All 5 V tolerant with high sink current
• Enhanced UART, SMBus™, and SPI™ Serial Ports
• Four general purpose 16-bit counter/timers
• 16-bit programmable counter array (PCA) with three capture/compare modules
• Real time clock mode using PCA or timer and external clock source

Clock Sources

• Internal Oscillator: 24.5 MHz with ± 2% accuracy supports UART operation
• External Oscillator: Crystal, RC, C, or clock
• (1 or 2 pin modes)
• Clock multiplier to achieve 50 MHz internal clock
• Can switch between clock sources on-the-fly

28-Pin QFN or 32-Pin LQFP Package

• 5 x 5 mm PCB footprint with 28-QFN