PIC16C782 Microchip Technology Inc., PIC16C782 Datasheet - Page 79

• Manufacturer Part Number: PIC16C782
• Description: 8-bit Cmos Microcontrollers With A/d, D/a, Opamp, Comparators And Psmc
• Manufacturer: Microchip Technology Inc.

FIGURE 9-4:
TABLE 9-2:
0Bh
8Ch
0Ch
1Eh
1Fh
9Fh
05h
06h
9Dh
Legend: x = unknown, u = unchanged, - = unimplemented, read as '0'. Shaded cells are not used for ADC conversion.
Address
2001 Microchip Technology Inc.
ADCON0
PIE1
PIR1
ADRES
ADCON1
PORTA
PORTB
ANSEL
INTCON
Name
Selected Channel
Finish Conversion
Wait 2T
ADC Clock
ADON = 0?
ADIF = 1
Device in
Acquire
ADON = 0
GO = 0?
= RC?
SLEEP?
GO = 0
REGISTERS/BITS ASSOCIATED WITH ADC, PIC16C781/782
Analog Channel Select
ADCS1 ADCS0
ADC Result Register
No
No
LVDIE
LVDIF
No
AD
No
Bit 7
FLOW CHART OF ADC OPERATION
RA7
RB7
GIE
—
Yes
Yes
Yes
Yes
ADIE
PEIE
ADIF
Bit 6
RA6
RB6
Conversion Delayed
—
1 Instruction Cycle
Abort Conversion
Power-down A/D
Start of ADC
ADIF = 0
GO = 0
SLEEP
VCFG1 VCFG0
CHS2
Bit 5
T0IE
C2IE
C2IF
RA5
RB5
CHS1
INTE
Bit 4
C1IE
C1IF
RA4
RB4
Preliminary
Finish Conversion
Instruction
Wait 2T
ADIF = 1
CHS0
RBIE
Bit 3
SLEEP
GO = 0
RA3
RB3
—
—
—
?
No
AD
GO/DONE
Yes
Bit 2
T0IF
RA2
RB2
—
—
—
Power-down ADC
Finish Conversion
Stay in SLEEP
Wake-up
CHS3
SLEEP?
Bit 1
INTF
RA1
RB1
ADIF = 1
From
GO = 0
—
—
—
PIC16C781/782
No
TMR1IE 0000 ---0
TMR1IF 0000 ---0
Yes
ADON
RBIF
Bit 0
RA0
RB0
—
Wait 2T
0000 000x
xxxx xxxx
0000 0000
--00 ----
xxxx 0000
xxxx 0000
1111 1111
Value on:
POR,
BOR
AD
DS41171A-page 77
0000 000u
0000 ---0
0000 ---0
uuuu uuuu
0000 0000
--00 ----
uuuu 0000
uuuu 0000
1111 1111
Value on
RESETS
all other