參數(shù)資料
型號(hào): 35007B
廠商: Microchip Technology Inc.
英文描述: 18-pin Enhanced FLASH/EEPROM 8-bit Microcontroller
中文描述: 18針/ EEPROM的8位微控制器的閃存
文件頁(yè)數(shù): 20/88頁(yè)
文件大?。?/td> 1495K
代理商: 35007B
PIC16F84A
DS35007B-page 18
2001 Microchip Technology Inc.
TABLE 4-3:
PORTB FUNCTIONS
TABLE 4-4:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTB
Name
Bit
Buffer Type
I/O Consistency Function
RB0/INT
bit0
TTL/ST
(1)
Input/output pin or external interrupt input.
Internal software programmable weak pull-up.
Input/output pin. Internal software programmable weak pull-up.
Input/output pin. Internal software programmable weak pull-up.
Input/output pin. Internal software programmable weak pull-up.
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up.
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up.
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up. Serial programming clock.
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up. Serial programming data.
RB1
RB2
RB3
RB4
bit1
bit2
bit3
bit4
TTL
TTL
TTL
TTL
RB5
bit5
TTL
RB6
bit6
TTL/ST
(2)
RB7
bit7
TTL/ST
(2)
Legend: TTL = TTL input, ST = Schmitt Trigger.
Note 1:
This buffer is a Schmitt Trigger input when configured as the external interrupt.
2:
This buffer is a Schmitt Trigger input when used in Serial Programming mode.
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
Power-on
Reset
Value on
all other
RESETS
06h
86h
81h
0Bh,8Bh
Legend:
x
= unknown,
u
= unchanged. Shaded cells are not used by PORTB.
PORTB
TRISB
OPTION_REG
INTCON
RB7
TRISB7
RBPU
GIE
RB6
TRISB6
INTEDG
EEIE
RB5
TRISB5 TRISB4 TRISB3 TRISB2 TRISB1
T0CS
T0SE
PSA
T0IE
INTE
RBIE
RB4
RB3
RB2
RB1
RB0/INT
xxxx xxxx uuuu uuuu
TRISB0
1111 1111 1111 1111
PS0
1111 1111 1111 1111
RBIF
0000 000x 0000 000u
PS2
T0IF
PS1
INTF
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