C8051F304

8位微控制器 -MCU

System Overview

C8051F300/1/2/3/4/5 devices are fully integrated mixed-signal system-on-a-chip MCUs. Highlighted features are listed below. Refer to Table 1.1 on page 14for specific product feature selection.

• High-speed pipelined 8051-compatible microcontroller core up to 25 MIPS

• In-system, full-speed, non-intrusive debug interface on-chip

• True 8-bit 500 ksps 11-channel ADC with programmable gain pre-amplifier and analog multiplexer

C8051F300/2 only

• Precision programmable 25 MHz internal oscillator

•Up to 8 kB of on-chip Flash memory

• 256 bytes of on-chip RAM

•SMBus/I2C and Enhanced UART serial interfaces implemented in hardware

• Three general-purpose 16-bit timers

• Programmable counter/timer array PCA with three capture/compare modules and watchdog timer

function

• On-chip power-on reset, VDDmonitor, and temperature sensor

• On-chip voltage comparator

• Byte-wide I/O port 5 V tolerant

Analog Peripherals

\- 8-Bit ADC "F300/2 only

  • Up to 500 ksps

  • Up to 8 external inputs

  • Programmable amplifier gains of 4, 2, 1, & 0.5

  • VREF from external pin or VDD

  • Built-in temperature sensor

  • External conversion start input

\- Comparator

  • Programmable hysteresis and response time

  • Configurable as interrupt or reset source

  • Low current <0.5 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

\- Complete development kit

Supply Voltage 2.7 to 3.6 V

\- Typical operating current: 6.6 mA @ 25 MHz; 14 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 25 MIPS throughput with 25 MHz clock

\- Expanded interrupt handler

Memory

\- 256 bytes internal data RAM

\- Up to 8 kB ‘F300/1/2/3, 4 kB ‘F304, or 2 kB ‘F305 Flash; 512 bytes are reserved in the 8 kB devices

Digital Peripherals

\- 8 Port I/O; All 5 V tolerant with high sink current

\- Hardware enhanced UART and SMBus™ serial ports

\- Three 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

\- Can switch between clock sources on-the-fly; Useful in power saving modes

11-Pin Quad Flat No-Lead QFN RoHS Package

\- 3 x 3 mm PWB footprint