PIC16C76-10/JW Microchip Technology, PIC16C76-10/JW Datasheet - Page 126

• Manufacturer Part Number: PIC16C76-10/JW
• Description: 8-Bit CMOS Microcontrollers with A/D Converter
• Manufacturer: Microchip Technology

PIC16C7X
FIGURE 13-6: FLOWCHART OF A/D OPERATION
TABLE 13-2:
DS30390E-page 126
Address
0Ch
8Ch
1Eh
9Fh
05h
0Bh,8Bh
1Fh
85h
Legend: x = unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used for A/D conversion.
Name
INTCON
PIR1
PIE1
ADRES
ADCON0 ADCS1 ADCS0 CHS2 CHS1 CHS0 GO/DONE
ADCON1
PORTA
TRISA
Selected Channel
Finish Conversion
A/D Clock
ADON = 0?
Wait 2 T
ADIF = 1
Device in
SLEEP?
ADON = 0
Acquire
GO = 0?
REGISTERS/BITS ASSOCIATED WITH A/D, PIC16C72
= RC?
GO = 0
No
No
No
No
AD
A/D Result Register
Bit 7
GIE
Yes
Yes
—
—
—
—
—
Yes
Yes
ADIE
Bit 6
PEIE
ADIF
Conversion Delayed
1 Instruction Cycle
—
—
—
Abort Conversion
Power-down A/D
Start of A/D
ADIF = 0
GO = 0
SLEEP
PORTA Data Direction Register
Bit 5
T0IE
RA5
—
—
—
INTE
Bit 4
RA4
—
—
—
Finish Conversion
SSPIF
SSPIE
Instruction?
RBIE
Bit 3
RA3
Wait 2 T
SLEEP
ADIF = 1
—
GO = 0
No
AD
CCP1IE
CCP1IF
Yes
PCFG2
Bit 2
T0IF
RA2
Finish Conversion
Power-down A/D
TMR2IE TMR1IE -0-- 0000
TMR2IF TMR1IF -0-- 0000
PCFG1
From Sleep?
Stay in Sleep
Bit 1
INTF
ADIF = 1
RA1
Wake-up
GO = 0
—
No
Yes
PCFG0
ADON
RBIF
Bit 0
RA0
1997 Microchip Technology Inc.
0000 000x
xxxx xxxx
0000 00-0
---- -000
--0x 0000
--11 1111
Wait 2 T
Value on:
POR,
BOR
AD
other Resets
Value on all
0000 000u
-0-- 0000
-0-- 0000
uuuu uuuu
0000 00-0
---- -000
--0u 0000
--11 1111