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PIC16F87 датащи(PDF) 62 Page - Microchip Technology

номер детали PIC16F87
подробное описание детали  18/20/28-Pin Enhanced Flash MCUs with nanoWatt Technology
PDF  230 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F87 датащи(HTML) 62 Page - Microchip Technology

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PIC16F87/88
DS30487D-page 62
 2002-2013 Microchip Technology Inc.
FIGURE 5-11:
BLOCK DIAGRAM OF RB3/PGM/CCP1(3) PIN
Data Latch
RBPU(2)
P
VDD
Q
D
CK
Q
D
CK
Q
D
EN
Data Bus
WR
WR
RD TRISB
RD PORTB
Weak
Pull-up
RD PORTB
I/O pin(1)
TTL
Input
Buffer
TRIS Latch
PORTB
Note 1:
I/O pins have diode protection to VDD and VSS.
2:
To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit.
3: The CCP1 pin is determined by the CCPMX bit in Configuration Word 1 register.
0
1
CCP
To PGM or CCP
CCP1M<3:0> = 1000, 1001, 11xx and CCPMX = 0
CCP1M<3:0> = 0100, 0101, 0110, 0111 and CCPMX = 0
or LVP = 1
TRISB



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