PIC18F248-E/L MICROCHIP [Microchip Technology], PIC18F248-E/L Datasheet - Page 100
PIC18F248-E/L
Manufacturer Part Number
PIC18F248-E/L
Description
28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F248-EL.pdf
(402 pages)
- Current page: 100 of 402
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FIGURE 9-6:
FIGURE 9-7:
DS41159E-page 98
PIC18FXX8
RD TRISB
OPMODE2:OPMODE0 = 000
ENDRHI
CANTX
RD LATB
Data Bus
WR PORTB or
WR LATB
WR TRISB
RD PORTB
Note 1: I/O pin has diode protection to V
Note 1: I/O pins have diode protection to V
2: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit (INTCON2<7>).
RB2/CANTX/INT2 PIN BLOCK DIAGRAM
RB3/CANRX PIN BLOCK DIAGRAM
CANCON<7:5>
RBPU
Data Bus
WR LATB or PORTB
WR TRISB
RD TRISB
RD LATB
RD PORTB
RB3 or CANRX
(2)
TRIS Latch
Data Latch
D
D
CK
CK
.
Q
Q
Q
Q
DD
Schmitt Trigger
Buffer
DD
and V
and V
0
1
TRIS Latch
Data Latch
SS
D
D
CK
CK
.
SS
.
Q
Q
Q
Q
EN
D
TTL
Input
Buffer
EN
D
V
P
DD
Weak
Pull-up
I/O pin
© 2006 Microchip Technology Inc.
(1)
V
V
P
N
DD
SS
RB2/CANTX/
INT2 pin
Schmitt
Trigger
(1)
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