ANALOG PERIPHERALS
SAR ADC

• 12-Bit (C8051F020/1)
• 10-Bit (C8051F022/3)
• ± 1 LSB INL
• Programmable Throughput up to 100 ksps
• Up to 8 External Inputs; Programmable as Single-Ended or Differential
• Programmable Amplifier Gain: 16, 8, 4, 2, 1, 0.5
• Data-Dependent Windowed Interrupt Generator
• Built-in Temperature Sensor (± 3°C)

8-bit ADC

• Programmable Throughput up to 500 ksps
• 8 External Inputs
• Programmable Amplifier Gain: 4, 2, 1, 0.5

Two 12-bit DACs

• Can Synchronize Outputs to Timers for Jitter-Free Waveform Generation

Two Analog Comparators
Voltage Reference
Precision VDD Monitor/Brown-Out Detector

ON-CHIP JTAG DEBUG & BOUNDARY SCAN

• On-Chip Debug Circuitry Facilitates Full- Speed, Non-Intrusive In-Circuit/In-System Debugging
• Provides Breakpoints, Single-Stepping, Watchpoints, Stack Monitor; Inspect/Modify Memory and Registers
• Superior Performance to Emulation Systems Using ICE-Chips, Target Pods, and Sockets
• IEEE1149.1 Compliant Boundary Scan
• Low-Cost, Complete Development Kit

HIGH SPEED 8051 μC CORE

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

MEMORY

• 4352 Bytes Internal Data RAM (4k + 256)
• 64k Bytes FLASH; In-System programmable in 512-byte Sectors
• External 64k Byte Data Memory Interface (programmable multiplexed or non-multiplexed modes)

DIGITAL PERIPHERALS

• 8 Byte-Wide Port I/O (C8051F020/2); 5V tolerant
• 4 Byte-Wide Port I/O (C8051F021/3); 5V tolerant
• Hardware SMBus™ (I2C™ Compatible), SPI™, and Two UART Serial Ports Available Concurrently
• Programmable 16-bit Counter/Timer Array with 5 Capture/Compare Modules
• 5 General Purpose 16-bit Counter/Timers
• Dedicated Watch-Dog Timer; Bi-directional Reset Pin

CLOCK SOURCES

• Internal Programmable Oscillator: 2-to-16 MHz
• External Oscillator: Crystal, RC, C, or Clock
• Real-Time Clock Mode using Timer 3 or PCA

SUPPLY VOLTAGE .......................... 2.7V TO 3.6V

• Typical Operating Current: 10 mA @ 20 MHz
• Multiple Power Saving Sleep and Shutdown Modes

100-Pin TQFP and 64-Pin TQFP Packages Available
Temperature Range: -40°C to +85°C