PIC16F874中文資料微芯科技數(shù)據(jù)手冊(cè)PDF規(guī)格書

Microcontroller Core Features:

? High performance RISC CPU

? Only 35 single word instructions to learn

? All single cycle instructions except for program branches which are two cycle

? Operating speed: DC - 20 MHz clock input DC - 200 ns instruction cycle

? Up to 8K x 14 words of FLASH Program Memory,

Up to 368 x 8 bytes of Data Memory (RAM)

Up to 256 x 8 bytes of EEPROM Data Memory

? Pinout compatible to the PIC16C73B/74B/76/77

? Interrupt capability (up to 14 sources)

? Eight level deep hardware stack

? Direct, indirect and relative addressing modes

? Power-on Reset (POR)

? Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)

? Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation

? Programmable code protection

? Power saving SLEEP mode

? Selectable oscillator options

? Low power, high speed CMOS FLASH/EEPROM technology

? Fully static design

? In-Circuit Serial Programming (ICSP) via two pins

? Single 5V In-Circuit Serial Programming capability

? In-Circuit Debugging via two pins

? Processor read/write access to program memory

? Wide operating voltage range: 2.0V to 5.5V

? High Sink/Source Current: 25 mA

? Commercial, Industrial and Extended temperature ranges

? Low-power consumption:

- < 0.6 mA typical @ 3V, 4 MHz

- 20 μA typical @ 3V, 32 kHz

- < 1 μA typical standby current

Peripheral Features:

? Timer0: 8-bit timer/counter with 8-bit prescaler

? Timer1: 16-bit timer/counter with prescaler, can be incremented during SLEEP via external crystal/clock

? Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler

? Two Capture, Compare, PWM modules

- Capture is 16-bit, max. resolution is 12.5 ns

- Compare is 16-bit, max. resolution is 200 ns

- PWM max. resolution is 10-bit

? 10-bit multi-channel Analog-to-Digital converter

? Synchronous Serial Port (SSP) with SPI (Master mode) and I2C (Master/Slave)

? Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI) with 9-bit address detection

? Parallel Slave Port (PSP) 8-bits wide, with external RD, WR and CS controls (40/44-pin only)

? Brown-out detection circuitry for Brown-out Reset (BOR)