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INTEDG 数据表(PDF) 131 Page - Microchip Technology

部件名 INTEDG
功能描述  64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology
PDF  478 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

INTEDG 数据表(HTML) 131 Page - Microchip Technology

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 2010-2012 Microchip Technology Inc.
DS41414D-page 131
PIC16(L)F1946/47
12.4
Register Definitions: PORTA
REGISTER 12-2:
PORTA: PORTA REGISTER
R/W-x/u
R/W-x/u
R/W-x/u
R/W-x/u
R/W-x/u
R/W-x/u
R/W-x/u
R/W-x/u
RA7
RA6
RA5
RA4
RA3
RA2
RA1
RA0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = Bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7-0
RA<7:0>: PORTA I/O Value bits(1)
1 = Port pin is > VIH
0 = Port pin is < VIL
Note 1:
Writes to PORTA are actually written to corresponding LATA register. Reads from PORTA register is return
of actual I/O pin values.
REGISTER 12-3:
TRISA: PORTA TRI-STATE REGISTER
R/W-1/1
R/W-1/1
R/W-1/1
R/W-1/1
R/W-1/1
R/W-1/1
R/W-1/1
R/W-1/1
TRISA7
TRISA6
TRISA5
TRISA4
TRISA3
TRISA2
TRISA1
TRISA0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = Bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7-0
TRISA<7:0>: PORTA Tri-State Control bit
1 = PORTA pin configured as an input (tri-stated)
0 = PORTA pin configured as an output
REGISTER 12-4:
LATA: PORTA DATA LATCH REGISTER
R/W-x/u
R/W-x/u
R/W-x/u
R/W-x/u
R/W-x/u
R/W-x/u
R/W-x/u
R/W-x/u
LATA7
LATA6
LATA5
LATA4
LATA3
LATA2
LATA1
LATA0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
u = Bit is unchanged
x = Bit is unknown
-n/n = Value at POR and BOR/Value at all other Resets
‘1’ = Bit is set
‘0’ = Bit is cleared
bit 7-0
LATA<7:0>: PORTA Output Latch Value bits(1)
Note 1:
Writes to PORTA are actually written to corresponding LATA register. Reads from PORTA register is return
of actual I/O pin values.



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