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PIC18F242 数据表(PDF) 13 Page - Microchip Technology

部件名 PIC18F242
功能描述  High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D
PDF  332 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

PIC18F242 数据表(HTML) 13 Page - Microchip Technology

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© 2006 Microchip Technology Inc.
DS39564C-page 11
PIC18FXX2
PORTB is a bi-directional I/O port. PORTB can be software
programmed for internal weak pull-ups on all inputs.
RB0/INT0
RB0
INT0
21
21
I/O
I
TTL
ST
Digital I/O.
External Interrupt 0.
RB1/INT1
RB1
INT1
22
22
I/O
I
TTL
ST
External Interrupt 1.
RB2/INT2
RB2
INT2
23
23
I/O
I
TTL
ST
Digital I/O.
External Interrupt 2.
RB3/CCP2
RB3
CCP2
24
24
I/O
I/O
TTL
ST
Digital I/O.
Capture2 input, Compare2 output, PWM2 output.
RB4
25
25
I/O
TTL
Digital I/O.
Interrupt-on-change pin.
RB5/PGM
RB5
PGM
26
26
I/O
I/O
TTL
ST
Digital I/O. Interrupt-on-change pin.
Low Voltage ICSP programming enable pin.
RB6/PGC
RB6
PGC
27
27
I/O
I/O
TTL
ST
Digital I/O. Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming clock pin.
RB7/PGD
RB7
PGD
28
28
I/O
I/O
TTL
ST
Digital I/O. Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming data pin.
TABLE 1-2:
PIC18F2X2 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin
Type
Buffer
Type
Description
DIP
SOIC
Legend: TTL = TTL compatible input
CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels
I = Input
O = Output
P = Power
OD = Open Drain (no P diode to VDD)



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