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PIC16F874AT-I/PT

更新时间： 2024-11-16 12:58:39
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美国微芯 - MICROCHIP 存储微控制器和处理器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
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PIC16F874AT-I/PT 数据手册

 浏览型号PIC16F874AT-I/PT的Datasheet PDF文件第2页浏览型号PIC16F874AT-I/PT的Datasheet PDF文件第3页浏览型号PIC16F874AT-I/PT的Datasheet PDF文件第4页浏览型号PIC16F874AT-I/PT的Datasheet PDF文件第5页浏览型号PIC16F874AT-I/PT的Datasheet PDF文件第6页浏览型号PIC16F874AT-I/PT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  
1234567...22

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PIC16F874AT-I/PT 替代型号

型号 品牌 替代类型 描述 数据表
PIC16F874AT-I/PTG MICROCHIP

完全替代

 暂无描述
PIC16F874ATI/L MICROCHIP

完全替代

 28/40-pin Enhanced FLASH Microcontrollers

与PIC16F874AT-I/PT相关器件

型号 品牌 获取价格 描述 数据表
PIC16F874AT-I/PTG MICROCHIP

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 		暂无描述
PIC16F874ATI/SO MICROCHIP

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 		28/40-pin Enhanced FLASH Microcontrollers
PIC16F874ATI/SP MICROCHIP

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 		28/40-pin Enhanced FLASH Microcontrollers
PIC16F874T-04/L MICROCHIP

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 		8-BIT, FLASH, 4 MHz, RISC MICROCONTROLLER, PQCC44, PLASTIC, MO-047, LCC-44
PIC16F874T-04/PQ MICROCHIP

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 		8-BIT, FLASH, 4 MHz, RISC MICROCONTROLLER, PQFP44, 10 X 10 MM, 2 MM HEIGHT, PLASTIC, MS-02
PIC16F874T-04E/PT MICROCHIP

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 		8-BIT, FLASH, 4 MHz, RISC MICROCONTROLLER, PQFP44, 10 X 10 MM, 1 MM HEIGHT, PLASTIC, MS-02
PIC16F874T-04I/L MICROCHIP

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 		8-BIT, FLASH, 4 MHz, RISC MICROCONTROLLER, PQCC44, PLASTIC, MO-047, LCC-44
PIC16F874T-04I/PT MICROCHIP

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 		8-BIT, FLASH, 4 MHz, RISC MICROCONTROLLER, PQFP44, 10 X 10 MM, 1 MM HEIGHT, PLASTIC, MS-02
PIC16F874T-04IL ETC

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 		8-Bit Microcontroller
PIC16F874T-04IL301 ETC

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 		Microcontroller

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