PIC18F24 MICROCHIP [Microchip Technology], PIC18F24 Datasheet - Page 97

• Manufacturer Part Number: PIC18F24
• Description: 28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module
• Manufacturer: MICROCHIP [Microchip Technology]

TABLE 9-1:
TABLE 9-2:
 2004 Microchip Technology Inc.
RA0/AN0/CV
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/AN4/SS/LVDIN
OSC2/CLKO/RA6
Legend: TTL = TTL input, ST = Schmitt Trigger input, OD = Open-Drain
PORTA
LATA
TRISA
ADCON1
Legend: x = unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by PORTA.
Name
Name
REF
REF
ADFM ADCS2
REF
Bit 7
—
—
—
-
+
PORTA FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Latch A Data Output Register
PORTA Data Direction Register
Bit 6
RA6
Bit#
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6
Bit 5
RA5
—
ST/OD Input/output, external clock input for Timer0, output is open-drain type.
Buffer
TTL
TTL
TTL
TTL
TTL
TTL
Bit 4
RA4
—
Input/output, analog input or analog comparator voltage reference
output.
Input/output or analog input.
Input/output, analog input or V
Input/output, analog input or V
Input/output, analog input, slave select input for synchronous serial port
or Low-Voltage Detect input.
Oscillator clock output or input/output.
PCFG3
Bit 3
RA3
PCFG2
Bit 2
RA2
PCFG1
Bit 1
RA1
REF
REF
Function
-.
+.
PCFG0 00-- 0000 uu-- uuuu
Bit 0
RA0
PIC18FXX8
-00x 0000 -uuu uuuu
-xxx xxxx -uuu uuuu
-111 1111 -111 1111
POR, BOR
Value on
DS41159D-page 95
Value on
all other
Resets