PIC16F688 Datasheet, PDF (72/174 Pages) Microchip Technology – 14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

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