PIC16F946 Datasheet, PDF (159/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

PIC16F946
12.4 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 12-2: 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, BOR
Value on
all other
Resets
05h PORTA
RA7
RA6
RA5
RA4
RA3
RA2
RA1
RA0
09h PORTE
RE7
RE6
RE5
RE4
RE3
RE2
RE1
RE0
0Bh/
8Bh
INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF
0Ch PIR1
EEIF
ADIF
RCIF
TXIF
SSPIF CCP1IF TMR2IF TMR1IF
1Eh ADRESH Most Significant 8 bits of the left justified A/D result or 2 bits of the right justified result
1Fh ADCON0 ADFM VCFG1 VCFG0 CHS2
CHS1
CHS0 GO/DONE ADON
85h TRISA
TRISA7 TRISA6 TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0
89h TRISE
TRISE7 TRISE6 TRISE5 TRISE4 TRISE3 TRISE2 TRISE1 TRISE0
8Ch PIE1
EEIE
ADIE
RCIE
TXIE
SSPIE CCP1IE TMR2IE TMR1IE
91h ANSEL
ANS7
ANS6
ANS5
ANS4
ANS3
ANS2
ANS1
ANS0
9Eh ADRESL Least Significant 2 bits of the left justified A/D result or 8 bits of the right justified result
9Fh ADCON1
—
ADCS2 ADCS1 ADCS0
—
—
—
—
Legend: x = unknown, u = unchanged, – = unimplemented read as ‘0’. Shaded cells are not used for A/D module.
xxxx xxxx
xxxx xxxx
0000 000x
0000 0000
xxxx xxxx
0000 0000
1111 1111
1111 1111
0000 0000
1111 1111
xxxx xxxx
-000 ----
uuuu uuuu
uuuu uuuu
0000 000x
0000 0000
uuuu uuuu
0000 0000
1111 1111
1111 1111
0000 0000
1111 1111
uuuu uuuu
-000 ----
© 2005 Microchip Technology Inc.
Preliminary
DS41265A-page 157