C8051F020
数据手册.pdf8位微控制器 -MCU 16KB 12ADC
SYSTEM OVERVIEW
The /1/2/3 devices are fully integrated mixed-signal System-on-a-Chip MCUs with 64 digital I/O pins C8051F020/2 or 32 digital I/O pins C8051F021/3. Highlighted features are listed below; refer to Table 1.1 for specific product feature selection.
• High-Speed pipelined 8051-compatible CIP-51 microcontroller core up to 25 MIPS
• In-system, full-speed, non-intrusive debug interface on-chip
• True 12-bit C8051F020/1 or 10-bit C8051F022/3 100 ksps 8-channel ADC with PGA and analog multiplexer
• True 8-bit ADC 500 ksps 8-channel ADC with PGA and analog multiplexer
• Two 12-bit DACs with programmable update scheduling
• 64k bytes of in-system programmable FLASH memory
• 4352 4096 + 256 bytes of on-chip RAM
• External Data Memory Interface with 64k byte address space
• SPI, SMBus/I2C, and 2 UART serial interfaces implemented in hardware
• Five general purpose 16-bit Timers
• Programmable Counter/Timer Array with five capture/compare modules
• On-chip Watchdog Timer, VDD Monitor, and Temperature Sensor
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 Wave form 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
