PIC16C76-04E/SP View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC16C76-04E/SP Datasheet PDF : 288 Pages
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PIC16C7X
FIGURE 13-6: FLOWCHART OF A/D OPERATION
ADON = 0
Yes
ADON = 0?
No
Acquire
Selected Channel
Yes
GO = 0?
No
Yes
A/D Clock
= RC?
No
Start of A/D
Conversion Delayed
1 Instruction Cycle
Yes
Device in
SLEEP?
No
Finish Conversion
GO = 0
ADIF = 1
Abort Conversion
GO = 0
ADIF = 0
SLEEP
Power-down A/D
SLEEP Yes
Instruction?
No
Finish Conversion
GO = 0
ADIF = 1
Wait 2 TAD
Finish Conversion
GO = 0
ADIF = 1
Wake-up Yes
From Sleep?
No
Stay in Sleep
Power-down A/D
Wait 2 TAD
Wait 2 TAD
TABLE 13-2: REGISTERS/BITS ASSOCIATED WITH A/D, PIC16C72
Address 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
0Bh,8Bh
0Ch
8Ch
1Eh
1Fh
9Fh
INTCON GIE PEIE T0IE INTE RBIE T0IF
INTF RBIF 0000 000x
PIR1
—
ADIF —
— SSPIF CCP1IF TMR2IF TMR1IF -0-- 0000
PIE1
—
ADIE —
— SSPIE CCP1IE TMR2IE TMR1IE -0-- 0000
ADRES A/D Result Register
xxxx xxxx
ADCON0 ADCS1 ADCS0 CHS2 CHS1 CHS0 GO/DONE —
ADON 0000 00-0
ADCON1 —
—
—
—
—
PCFG2 PCFG1 PCFG0 ---- -000
0000 000u
-0-- 0000
-0-- 0000
uuuu uuuu
0000 00-0
---- -000
05h
PORTA
—
— RA5 RA4 RA3
RA2
RA1
RA0 --0x 0000 --0u 0000
85h
TRISA
—
— PORTA Data Direction Register
--11 1111 --11 1111
Legend: x = unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used for A/D conversion.
DS30390E-page 126
© 1997 Microchip Technology Inc.
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