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PIC18F23K20 Datasheet(PDF) 123 Page - Microchip Technology

Part # PIC18F23K20
Description  28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology
PDF  456 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F23K20 Datasheet(HTML) 123 Page - Microchip Technology

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 2010 Microchip Technology Inc.
DS41303G-page 123
PIC18F2XK20/4XK20
TABLE 10-2:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
OSC1/CLKIN/RA7
RA7
0
O
DIG
LATA<7> data output. Disabled in external oscillator modes.
1
I
TTL
PORTA<7> data input. Disabled in external oscillator modes.
OSC1
x
I
ANA
Main oscillator input connection.
CLKIN
x
I
ANA
Main clock input connection.
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reset
Values
on page
PORTA
RA7(1)
RA6(1)
RA5
RA4
RA3
RA2
RA1
RA0
62
LATA
LATA7(1)
LATA6(1) PORTA Data Latch Register (Read and Write to Data Latch)
62
TRISA
TRISA7(1) TRISA6(1) PORTA Data Direction Control Register
62
ANSEL
ANS7(2)
ANS6(2)
ANS5(2)
ANS4
ANS3
ANS2
ANS1
ANS0
62
SLRCON
—
—
—
SLRE(2)
SLRD(2)
SLRC
SLRB
SLRA
63
CM1CON0
C1ON
C1OUT
C1OE
C1POL
C1SP
C1R
C1CH1
C1CH0
62
CM2CON0
C2ON
C2OUT
C2OE
C2POL
C2SP
C2R
C2CH1
C2CH0
62
CVRCON
CVREN
CVROE
CVRR
CVRSS
CVR3
CVR2
CVR1
CVR0
61
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used by PORTA.
Note 1:
RA<7:6> and their associated latch and data direction bits are enabled as I/O pins based on oscillator
configuration; otherwise, they are read as ‘0’.
2:
Not implemented on PIC18F2XK20 devices.
TABLE 10-1:
PORTA I/O SUMMARY (CONTINUED)
Pin
Function
TRIS
Setting
I/O
I/O
Type
Description
Legend:
DIG = Digital level output; TTL = TTL input buffer; ST = Schmitt Trigger input buffer; ANA = Analog level input/output;
x
= Don’t care (TRIS bit does not affect port direction or is overridden for this option).



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