參數(shù)資料
型號: PIC16F870-I/SP
廠商: Microchip Technology
文件頁數(shù): 133/143頁
文件大?。?/td> 0K
描述: IC MCU FLASH 2KX14 EE 28DIP
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 15
系列: PIC® 16F
核心處理器: PIC
芯體尺寸: 8-位
速度: 20MHz
連通性: UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 22
程序存儲器容量: 3.5KB(2K x 14)
程序存儲器類型: 閃存
EEPROM 大小: 64 x 8
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 5x10b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-DIP(0.300",7.62mm)
包裝: 管件
產(chǎn)品目錄頁面: 639 (CN2011-ZH PDF)
配用: I3-DB16F871-ND - BOARD DAUGHTER ICEPIC3
2003 Microchip Technology Inc.
DS30569B-page 7
PIC16F870/871
TABLE 1-1:
PIC16F870 PINOUT DESCRIPTION
Pin Name
DIP
Pin#
SOIC
Pin#
I/O/P
Type
Buffer
Type
Description
OSC1/CLKI
9
I
ST/CMOS(3) Oscillator crystal input/external clock source input.
OSC2/CLKO
10
O
Oscillator crystal output. Connects to crystal or resonator in
Crystal Oscillator mode. In RC mode, the OSC2 pin outputs
CLKO, which has 1/4 the frequency of OSC1, and denotes the
instruction cycle rate.
MCLR/VPP/THV
1
I/P
ST
Master Clear (Reset) input or programming voltage input or High
Voltage Test mode control. This pin is an active low RESET to the
device.
PORTA is a bi-directional I/O port.
RA0/AN0
2
I/O
TTL
RA0 can also be analog input 0.
RA1/AN1
3
I/O
TTL
RA1 can also be analog input 1.
RA2/AN2/VREF-
4
I/O
TTL
RA2 can also be analog input 2 or negative analog reference
voltage.
RA3/AN3/VREF+
5
I/O
TTL
RA3 can also be analog input 3 or positive analog reference
voltage.
RA4/T0CKI
6
I/O
ST/OD
RA4 can also be the clock input to the Timer0 module. Output
is open drain type.
RA5/AN4
7
I/O
TTL
RA5 can also be analog input 4.
PORTB is a bi-directional I/O port. PORTB can be software
programmed for internal weak pull-up on all inputs.
RB0/INT
21
I/O
TTL/ST(1)
RB0 can also be the external interrupt pin.
RB1
22
I/O
TTL
RB2
23
I/O
TTL
RB3/PGM
24
I/O
TTL/ST(1)
RB3 can also be the low voltage programming input.
RB4
25
I/O
TTL
Interrupt-on-change pin.
RB5
26
I/O
TTL
Interrupt-on-change pin.
RB6/PGC
27
I/O
TTL/ST(2)
Interrupt-on-change pin or In-Circuit Debugger pin. Serial
programming clock.
RB7/PGD
28
I/O
TTL/ST(2)
Interrupt-on-change pin or In-Circuit Debugger pin. Serial
programming data.
PORTC is a bi-directional I/O port.
RC0/T1OSO/T1CKI
11
I/O
ST
RC0 can also be the Timer1 oscillator output or Timer1 clock
input.
RC1/T1OSI
12
I/O
ST
RC1 can also be the Timer1 oscillator input.
RC2/CCP1
13
I/O
ST
RC2 can also be the Capture1 input/Compare1 output/
PWM1 output.
RC3
14
I/O
ST
RC4
15
I/O
ST
RC5
16
I/O
ST
RC6/TX/CK
17
I/O
ST
RC6 can also be the USART Asynchronous Transmit or
Synchronous Clock.
RC7/RX/DT
18
I/O
ST
RC7 can also be the USART Asynchronous Receive or
Synchronous Data.
VSS
8, 19
P
Ground reference for logic and I/O pins.
VDD
20
P
Positive supply for logic and I/O pins.
Legend:
I = input
O = output
I/O = input/output
P = power
OD = Open Drain
— = Not used
TTL = TTL input
ST = Schmitt Trigger input
Note
1:
This buffer is a Schmitt Trigger input when configured as the external interrupt or LVP mode.
2:
This buffer is a Schmitt Trigger input when used in Serial Programming mode.
3:
This buffer is a Schmitt Trigger input when configured in RC Oscillator mode and a CMOS input otherwise.
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