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PIC18F1220E/SOSQTP Datasheet(PDF) 94 Page - Microchip Technology

No. de pieza PIC18F1220E/SOSQTP
Descripción Electrónicos  18/20/28-Pin High-Performance, Enhanced Flash Microcontrollers
PDF  308 Pages
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Fabricante Electrónico  MICROCHIP [Microchip Technology]
Página de inicio  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F1220E/SOSQTP Datasheet(HTML) 94 Page - Microchip Technology

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PIC18F1220/1320
DS39605F-page 92
© 2007 Microchip Technology Inc.
FIGURE 10-9:
BLOCK DIAGRAM OF RB2/P1B/INT2 PIN
Data Latch
RBPU(2)
P
VDD
Q
D
CK
Q
D
CK
Q
D
EN
Data Bus
WR LATB or
WR TRISB
RD TRISB
RD PORTB
Weak
Pull-up
RD PORTB
RB2 pin(1)
TTL
Input
Buffer
TRIS Latch
RD LATB
PORTB
P1B Data
1
0
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 (INTCON2<7>).
P1B Enable
INT2 Input
Schmitt
Trigger
P1B/D Tri-State
Auto-Shutdown



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