PIC16C62XAT-20I/SO View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC16C62XAT-20I/SO Datasheet PDF : 108 Pages
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PIC16C62X
TABLE 5-1: PORTA FUNCTIONS
Name
RA0/AN0
RA1/AN1
RA2/AN2/VREF
RA3/AN3
RA4/T0CKI
Bit #
bit0
bit1
bit2
bit3
bit4
Buffer
Type
ST
ST
ST
ST
ST
Legend: ST = Schmitt Trigger input
Function
Input/output or comparator input
Input/output or comparator input
Input/output or comparator input or VREF output
Input/output or comparator input/output
Input/output or external clock input for TMR0 or comparator output.
Output is open drain type.
TABLE 5-2: SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
Address Name
Bit 7
Bit 6 Bit 5 Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR
Value on
All Other
Resets
05h
PORTA
—
—
— RA4
RA3
RA2
RA1
RA0 ---x 0000 ---u 0000
85h
TRISA
—
—
— TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 ---1 1111 ---1 1111
1Fh
CMCON C2OUT C1OUT —
—
CIS
CM2 CM1 CM0 00-- 0000 00-- 0000
9Fh
VRCON VREN VROE VRR —
VR3
VR2
VR1
VR0 000- 0000 000- 0000
Legend: — = Unimplemented locations, read as ‘0’, u = unchanged, x = unknown
Note: Note: Shaded bits are not used by PORTA.
© 1998 Microchip Technology Inc.
Preliminary
DS30235G-page 27
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