Mcu8051F020

C8051F020/1/2/3
8K ISP FLASH MCU Family
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)Programmable Throughput up to 500 ksps 8 External Inputs Programmable Amplifier Gain: 4, 2, 1, 0.5 Can Synchronize Outputs to Timers for Jitter-Free Waveform Generation

HIGH SPEED 8051 C 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)

8-bit ADC

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 ConcurrentlyProgrammable 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

Two 12-bit DACs

- Two Analog Comparators - Voltage Reference - Precision VDD Monitor/Brown-Out Detector ON-CHIP JTAG DEBUG & BOUNDARY SCAN - On-Chip Debug Circuitry Facilitates Full- Speed, NonIntrusive In-Circuit/In-System DebuggingProvides 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, Complete Development Kit

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

ANALOG PERIPHERALS
TEMP SENSOR

DIGITAL I/O
UART0

Port 0
CROSSBAR External Memory Interface

AMUX

PGA VREF

10/12-bit 100ksps

UART1 SMBus SPIBus PCA Timer 0 Timer 1 Timer 2 Timer 3 Timer 4

Port 1 Port 2 Port 3 Port 4 Port 5 Port 6 Port 7

ADC
8-bit 500ksps ADC
+ -

AMUX
+ -

PGA

12-Bit DAC

12-Bit DAC

VOLTAGE COMPARATORS

64 pin 100 pin

HIGH-SPEED CONTROLLER CORE
8051 CPU (25MIPS) 22 INTERRUPTS 64KB ISP FLASH DEBUG CIRCUITRY 4352 B JTAG SRAM CLOCK SANITY CIRCUIT CONTROL

Preliminary Rev. 1.4 12/03Copyright © 2003 by Silicon Laboratories

C8051F020/1/2/3-DS14

This information applies to a product under development. Its characteristics and specifications are subject to change without notice.

C8051F020/1/2/3

Notes

2

Rev. 1.4

C8051F020/1/2/3
TABLE OF CONTENTS
1. SYSTEM OVERVIEW.........................................................................................................17 1.1. CIP-51™ Microcontroller Core ......................................................................................22 1.1.1. Fully 8051 Compatible ..........................................................................................22 1.1.2. Improved Throughput ............................................................................................22 1.1.3. AdditionalFeatures................................................................................................23 1.2. On-Chip Memory ............................................................................................................24 1.3. JTAG Debug and Boundary Scan ...................................................................................25 1.4. Programmable Digital I/O and Crossbar...