PIC16F688
8.4
Effects of Reset
A device Reset forces all registers to their Reset state.
Thus, the A/D module is turned off and any pending
conversion is aborted. The ADRESH:ADRESL
registers are unchanged.
TABLE 8-2:
SUMMARY OF A/D REGISTERS
Value on
all other
Resets
Value on:
POR, BOD
Addr
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
05h/
105h
PORTA
PORTC
INTCON
—
—
—
—
RA5
RC5
T0IE
RCIF
RA4
RC4
INTE
C2IF
RA3
RC3
RAIE
C1IF
RA2
RC2
RA1
RC1
INTF
TXIF
RA0
RC0
--xx xxxx
--xx xxxx
0000 0000
--uu uuuu
--uu uuuu
0000 0000
07h/
107h
0Bh/
8Bh
GIE
PEIE
T0IF
RAIF
0Ch
1Eh
1Fh
PIR1
EEIF
ADIF
OSFIF
TMR1IF
0000 0000
xxxx xxxx
00-0 0000
--11 1111
0000 0000
uuuu uuuu
00-0 0000
--11 1111
ADRESH
ADCON0
TRISA
Most Significant 8 bits of the left shifted A/D result or 2 bits of the right shifted result
ADFM
—
VCFG
—
—
CHS2
CHS1
CHS0
GO/DONE
TRISA1
ADON
85h/
TRISA5
TRISA4
TRISA3
TRISA2
TRISA0
185h
87h/
TRISC
—
—
TRISC5
TRISC4
TRISC3
TRISC2
TRISC1
TRISC0
--11 1111
--11 1111
187h
8Ch
91h
9Eh
9Fh
PIE1
EEIE
ADIE
RCIE
ANS5
C2IE
C1IE
OSFIE
ANS2
TXIE
TMR1IE
ANS0
0000 0000
1111 1111
xxxx xxxx
-000 ----
0000 0000
1111 1111
uuuu uuuu
-000 ----
ANSEL
ADRESL
ADCON1
ANS7
ANS6
ANS4
ANS3
ANS1
Least Significant 2 bits of the left shifted A/D result or 8 bits of the right shifted result
ADCS2 ADCS1 ADCS0
—
—
—
—
—
Legend: x= unknown, u= unchanged, - = unimplemented read as ‘0’. Shaded cells are not used for A/D module.
DS41203B-page 70
Preliminary
2004 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
