SAR ADC

• 10-bit
• ±1LSB INL; No Missing Codes
• Programmable Throughput up to 100ksps
• Up to 8 External Inputs; Programmable as Single-
• Ended or Differential
• Data Dependent Windowed Interrupt Generator
• Built-in Temperature Sensor (± 3°C)

Two Analog Comparators

• Programmable Hysteresis Values
• Configurable to Generate Interrupts or Reset

Voltage Reference

• 2.4V; 15 ppm/°C
• Available on External Pin

Precision VDD Monitor/Brown-out Detector

ON-CHIP JTAG DEBUG & BOUNDARY SCAN

• On-Chip Debug Circuitry Facilitates Full Speed, Non-
• Intrusive In-System Debug (No Emulator Required!)
• Provides Breakpoints, Single Stepping, Watchpoints, Stack
• Monitor
• Inspect/Modify Memory and Registers
• Superior Performance to Emulation Systems Using ICEChips,
• Target Pods, and Sockets
• IEEE1149.1 Compliant Boundary Scan
• Low Cost Development Kit

HIGH SPEED 8051 μC CORE

• Pipelined Instruction Architecture; Executes 70% of
• Instruction Set in 1 or 2 System Clocks
• Up to 25MIPS Throughput with 25MHz Clock
• Expanded Interrupt Handler

MEMORY

• 1280 (256 + 1k) Bytes Internal Data RAM
• 16k Bytes FLASH; In-System Programmable in 512 byte
• Sectors

DIGITAL PERIPHERALS

• 4 Byte-Wide Port I/O; All are 5V tolerant
• Hardware SMBusTM (I2CTM Compatible), SPITM, and UART
• Serial Ports Available Concurrently
• Programmable 16-bit Counter/Timer Array with Five
• Capture/Compare Modules
• Four General Purpose 16-bit Counter/Timers
• Dedicated Watch-Dog Timer
• Bi-directional Reset

CLOCK SOURCES

• Internal Programmable Oscillator: 2-to-16MHz
• External Oscillator: Crystal, RC,C, or Clock
• Can Switch Between Clock Sources on-the-fly; Useful in
• Power Saving Modes

SUPPLY VOLTAGE ........................2.8V to 3.6V

• Typical Operating Current: 12.5mA @ 25MHz
• Multiple Power Saving Sleep and Shutdown Modes

64-Pin TQFP, 48-Pin TQFP
Temperature Range: –40°C to +85°C