PIC16CE62X
TABLE 5-1:
Name
RA0/AN0
RA1/AN1
RA2/AN2/V
REF
RA3/AN3
RA4/T0CKI
PORTA FUNCTIONS
Bit #
bit0
bit1
bit2
bit3
bit4
Buffer
Type
ST
ST
ST
ST
ST
Function
Input/output or comparator input
Input/output or comparator input
Input/output or comparator input or V
REF
output
Input/output or comparator input/output
Input/output or external clock input for TMR0 or comparator output.
Output is open drain type.
Legend: ST = Schmitt Trigger input
TABLE 5-2:
Address Name
05h
85h
1Fh
9Fh
PORTA
TRISA
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Bit 7
鈥?/div>
鈥?/div>
C2OUT
VREN
Bit 6
鈥?/div>
鈥?/div>
C1OUT
VROE
Bit 5
鈥?/div>
鈥?/div>
鈥?/div>
VRR
Bit 4
RA4
TRISA4
鈥?/div>
鈥?/div>
Bit 3
RA3
TRISA3
CIS
VR3
Bit 2
RA2
TRISA2
CM2
VR2
Bit 1
RA1
TRISA1
CM1
VR1
Bit 0
RA0
TRISA0
CM0
VR0
Value on:
POR / BOR
---x 0000
---1 1111
00-- 0000
000- 0000
Value on
All Other
Resets
---u 0000
---1 1111
00-- 0000
000- 0000
CMCON
VRCON
Legend: 鈥?= Unimplemented locations, read as 鈥?鈥?/div>
Note:
Note: Shaded bits are not used by PORTA.
漏
1998 Microchip Technology Inc.
Preliminary
DS40182A-page 25
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