PIC16LCR620AT-20I/SO View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC16LCR620AT-20I/SO Datasheet PDF : 128 Pages
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PIC16C62X
TABLE 5-1: PORTA FUNCTIONS
Name
Bit #
Buffer
Type
RA0/AN0
bit0
ST
RA1/AN1
bit1
ST
RA2/AN2/VREF
bit2
ST
RA3/AN3
bit3
ST
RA4/T0CKI
bit4
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
—
—
—
TRISA TRISA TRISA TRISA TRISA ---1 1111 ---1 1111
4
3
2
1
0
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: Shaded bits are not used by PORTA.
2003 Microchip Technology Inc.
DS30235J-page 27
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