Datasheet

 1996 Microchip Technology Inc.
Preliminary
DS40122B-page 59
PIC14000
FIGURE 8-2: EXAMPLE A/D CONVERSION CYCLE
FIGURE 8-3: A/D CAPTURE TIMER (LOW BYTE)
FIGURE 8-4: A/D CAPTURE TIMER (HIGH BYTE)
FIGURE 8-5: A/D CAPTURE REGISTER (LOW BYTE)
FIGURE 8-6: A/D CAPTURE REGISTER (HIGH BYTE)
Legend: U= unimplemented, X = unknown.
0Eh Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
ADTMRL b7 b6 b5 b4 b3 b2 b1 b0
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
POR value 00h 0000 0 0 0 0
0Fh Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
ADTMRH b15 b14 b13 b12 b11 b10 b9 b8
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
POR value 00h 0000 0 0 0 0
15h Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
ADCAPL b7 b6 b5 b4 b3 b2 b1 b0
Read / Write R/W R/W R/W R/W R/W R/W R/W R/W
POR value 00h 0000 0 0 0 0
16h Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
ADCAPH b15 b14 b13 b12 b11 b10 b9 b8
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
POR value 00h 0000 0 0 0 0
XX
CAPTURE
CLK
ADRST
ADCON0<1>
Capture
Register
CDAC
XX+8
COMPARE
ADCIF,
PIR1<1>
(must be cleared by software)
ADTMR INCREMENTS
XX+1 XX+2 XX+3
ADTMR
COUNT
XX+8 XX+9XX