PIC16C62B/72A
DS35008C-page 20
Preliminary
1998-2013 Microchip Technology Inc.
TABLE 3-1
PORTA FUNCTIONS
TABLE 3-2
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Name
Bit#
Buffer Function
RA0/AN0
bit0
TTL
Input/output or analog input
(1)
RA1/AN1
bit1
TTL
Input/output or analog input
(1)
RA2/AN2
bit2
TTL
Input/output or analog input
(1)
RA3/AN3/V
REF
bit3
TTL
Input/output or analog input
(1)
or V
REF
(1)
RA4/T0CKI
bit4
ST
Input/output or external clock input for Timer0
Output is open drain type
RA5/SS/AN4
bit5
TTL
Input/output or slave select input for synchronous serial port or analog input
(1)
Legend: TTL = TTL input, ST = Schmitt Trigger input
Note 1:
The PIC16C62B does not implement the A/D module.
Address Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR,
BOR
Value on all
other resets
05h
PORTA
(for PIC16C72A only)
—
—
RA5
RA4
RA3
RA2
RA1
RA0
--0x 0000
--0u 0000
05h
PORTA
(for PIC16C62B only)
—
—
RA5
RA4
RA3
RA2
RA1
RA0
--xx xxxx
--uu uuuu
85h
TRISA
—
—
PORTA Data Direction Register
--11 1111
--11 1111
9Fh
ADCON1
(1)
—
—
—
—
—
PCFG2
PCFG1
PCFG0
---- -000
---- -000
Legend:
x
= unknown,
u
= unchanged,
-
= unimplemented locations read as '0'. Shaded cells are not used by PORTA.
Note 1:
The PIC16C62B does not implement the A/D module. Maintain this register clear.
Summary of Contents for PIC16C62B/72A
Page 4: ...PIC16C62B 72A DS35008C page 4 Preliminary 1998 2013 Microchip Technology Inc NOTES...
Page 30: ...PIC16C62B 72A DS35008C page 30 Preliminary 1998 2013 Microchip Technology Inc NOTES...
Page 38: ...PIC16C62B 72A DS35008C page 38 Preliminary 1998 2013 Microchip Technology Inc NOTES...
Page 48: ...PIC16C62B 72A DS35008C page 48 Preliminary 1998 2013 Microchip Technology Inc NOTES...
Page 80: ...PIC16C62B 72A DS35008C page 80 Preliminary 1998 2013 Microchip Technology Inc NOTES...
Page 104: ...PIC16C62B 72A DS35008C page 104 Preliminary 1998 2013 Microchip Technology Inc NOTES...
Page 110: ...PIC16C62B 72A DS35008C page 110 Preliminary 1998 2013 Microchip Technology Inc NOTES...
Page 120: ...PIC16C62B 72A DS35008C page 120 Preliminary 1913 Microchip Technology Inc...