PIC14000T-04/SS View Datasheet(PDF) - Microchip Technology
Part Name
Description
MFG CO.
'PIC14000T-04/SS' PDF : 153 Pages View PDF
PIC14000
8.7 A/D Control Registers
Two A/D control registers are provided on the
PIC14000 to control the conversion process. These are
ADCON0 (1Fh) and ADCON1 (9Fh). Both registers are
readable and writable.
TABLE 8-3: A/D CONTROL AND STATUS REGISTER 0
1Fh
ADCON0
Read/Write
POR value 02h
Bit 7
ADCS3
R/W
0
Bit 6 Bit 5
ADCS2 ADCS1
R/W
R/W
0
0
Bit 4
ADCS0
R/W
0
Bit 3
—
U
0
Bit 2
AMUXOE
R/W
0
Bit 1
ADRST
R/W
1
Bit
B7-B4
B3
B2
B1
B0
Name
ADCS3
ADCS2
ADCS1
ADCS0
—
AMUXOE
ADRST
ADZERO
Function
A/D Channel Selects. Refer to Table 8-1.
Unimplemented. Read as ‘0’.
Analog Mux Output Enable
1 = Connect AMUX Output to RA0/AN0 pin (overrides TRISA<0> setting)
0 = RA0/AN0 pin normal
A/D Reset Control Bit
1 = Stop the A/D Timer, discharge CDAC capacitor
0 = Normal operation (A/D running)
A/D Zero Select Control. (Refer to Section 9.2)
1 = Enable zeroing operation on RA1/AN1 and RD5/AN5
0 = Normal operation (sample RA1/AN1 and RD5/AN5 pins)
Bit 0
ADZERO
R/W
0
DS40122B-page 62
Preliminary
© 1996 Microchip Technology Inc.
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