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PIC16F870-I/PQTP PDF预览

PIC16F870-I/PQTP

更新时间: 2024-10-05 13:12:23
品牌 Logo 应用领域
美国微芯 - MICROCHIP 存储可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
22页 200K
描述
PIC16F870-I/PQTP

PIC16F870-I/PQTP 技术参数

生命周期:Active包装说明:,
Reach Compliance Code:compliant风险等级:5.38
Base Number Matches:1

PIC16F870-I/PQTP 数据手册

 浏览型号PIC16F870-I/PQTP的Datasheet PDF文件第2页浏览型号PIC16F870-I/PQTP的Datasheet PDF文件第3页浏览型号PIC16F870-I/PQTP的Datasheet PDF文件第4页浏览型号PIC16F870-I/PQTP的Datasheet PDF文件第5页浏览型号PIC16F870-I/PQTP的Datasheet PDF文件第6页浏览型号PIC16F870-I/PQTP的Datasheet PDF文件第7页 
PIC16F87X  
M
EEPROM Memory Programming Specification  
This document includes the programming  
specifications for the following devices:  
Pin Diagram  
PDIP, SOIC  
• PIC16F870  
• PIC16F871  
• PIC16F872  
• PIC16F873  
• PIC16F874  
• PIC16F876  
• PIC16F877  
1
2
3
4
5
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
RB7  
RB6  
RB5  
RB4  
RB3  
RB2  
RB1  
RB0/INT  
VDD  
MCLR/VPP  
RA0/AN0  
RA1/AN1  
RA2/AN2/VREF  
RA3/AN3/VREF  
RA4/T0CKI  
6
7
8
RA5/AN4/SS  
VSS  
9
OSC1/CLKIN  
OSC2/CLKOUT  
RC0/T1OSO/T1CKI  
RC1/T1OSI/CCP2  
RC2/CCP1  
VSS  
1.0  
PROGRAMMING THE  
PIC16F87X  
10  
11  
RC7/RX/DT  
RC6/TX/CK  
RC5/SDO  
RC4/SDI/SDA  
12  
13  
14  
RC3/SCK/SCL  
The PIC16F87X is programmed using a serial method.  
The Serial mode will allow the PIC16F87X to be pro-  
grammed while in the user’s system. This allows for  
increased design flexibility. This programming specifi-  
cation applies to PIC16F87X devices in all packages.  
MCLR/VPP  
RA0/AN0  
1
40  
RB7  
RB6  
2
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
RA1/AN1  
RA2/AN2/VREF  
3
RB5  
RB4  
RB3  
RB2  
4
RA3/AN3/VREF  
RA4/T0CKI  
5
1.1  
Programming Algorithm  
Requirements  
6
RA5/AN4/SS  
RE0/RD/AN5  
RE1/WR/AN6  
RE2/CS/AN7  
VDD  
7
RB1  
8
RB0/INT  
VDD  
The programming algorithm used depends on the  
operating voltage (VDD) of the PIC16F87X device.  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
VSS  
Algorithm  
1 is designed for a VDD range of  
RD7/PSP7  
RD6/PSP6  
RD5/PSP5  
VSS  
2.2V VDD < 5.5V. Algorithm 2 is for a range of  
4.5V VDD 5.5V. Either algorithm can be used with  
the two available programming entry methods. The first  
method follows the normal Microchip Programming  
mode entry of applying a VPP voltage of 13V ± .5V. The  
second method, called Low Voltage ICSPTM or LVP for  
short, applies VDD to MCLR and uses the I/O pin RB3  
to enter Programming mode. When RB3 is driven to  
VDD from ground, the PIC16F87X device enters  
Programming mode.  
OSC1/CLKIN  
OSC2/CLKOUT  
RD4/PSP4  
RC7/RX/DT  
RC6/TX/CK  
RC5/SDO  
27  
26  
25  
24  
23  
22  
21  
RC0/T1OSO/T1CKI  
RC1/T1OSI/CCP2  
RC2/CCP1  
RC3/SCK/SCL  
RD0/PSP0  
RC4/SDI/SDA  
RD3/PSP3  
RD1/PSP1  
RD2/PSP2  
1.2  
Programming Mode  
The Programming mode for the PIC16F87X allows pro-  
gramming of user program memory, data memory, spe-  
cial locations used for ID, and the configuration word.  
2002 Microchip Technology Inc.  
DS39025F-page 1  

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