參數(shù)資料
型號: PIC16C620A
廠商: Microchip Technology Inc.
元件分類: 8位微控制器
英文描述: EPROM-Based 8-Bit CMOS Microcontroller
中文描述: 存儲器為基礎的8位CMOS微控制器
文件頁數(shù): 29/108頁
文件大?。?/td> 645K
代理商: PIC16C620A
1998 Microchip Technology Inc.
Preliminary
DS30235G-page 29
PIC16C62X
TABLE 5-3:
PORTB FUNCTIONS
TABLE 5-4:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTB
Name
RB0/INT
Bit #
bit0
Buffer Type
Function
TTL/ST
(1)
Input/output 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 pin.
Input/output pin (with interrupt on change). Internal software
programmable weak pull-up. Serial programming data pin.
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: ST = Schmitt Trigger, TTL = TTL input
Note 1: This buffer is a Schmitt Trigger input when configured as the external interrupt.
Note 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
POR
Value on
All Other
Resets
06h
PORTB
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RB0
xxxx xxxx
uuuu uuuu
86h
TRISB
TRISB7
TRISB6
TRISB5
TRISB4
TRISB3
TRISB2
TRISB1
TRISB0
1111 1111
1111 1111
81h
Note:
OPTION
Shaded bits are not used by PORTB.
u = unchanged
x = unknown
RBPU
INTEDG
T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111
1111 1111
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