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PIC12CE67X Datasheet(PDF) 44 Page - Microchip Technology

Part # PIC12CE67X
Description  8-Pin, 8-Bit CMOS Microcontroller with A/D Converter and EEPROM Data Memory
PDF  116 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC12CE67X Datasheet(HTML) 44 Page - Microchip Technology

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PIC12CE67X
DS40181B-page 44
Preliminary
© 1998 Microchip Technology Inc.
FIGURE 8-6:
FLOWCHART OF A/D OPERATION
TABLE 8-2:
SUMMARY OF A/D REGISTERS
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
Power-on
Reset
Value on
all other
Resets(1)
0Bh/8Bh
INTCON
GIE
PEIE
T0IE
INTE
GPIE
T0IF
INTF
GPIF
0000 000x
0000 000u
0Ch
PIR1
ADIF
-0-- ----
-0-- ----
8Ch
PIE1
ADIE
-0-- ----
-0-- ----
1Eh
ADRES
A/D Result Register
xxxx xxxx
uuuu uuuu
1Fh
ADCON0
ADCS1
ADCS0
r
CHS1
CHS0
GO/DONE
r
ADON
0000 0000
0000 0000
9Fh
ADCON1
PCFG2
PCFG1
PCFG0
---- -000
---- -000
05h
GPIO
GP5
GP4
GP3
GP2
GP1
GP0
--xx xxxx
--uu uuuu
85h
TRIS
TRIS5
TRIS4
TRIS3
TRIS2
TRIS1
TRIS0
--11 1111
--11 1111
Legend: x = unknown, u = unchanged, - = unimplemented read as '0', r = reserved. Shaded cells are not used for A/D conversion.
Note 1:
These registers can be addressed from either bank.
Acquire
ADON = 0
ADON = 0?
GO = 0?
A/D Clock
GO = 0
ADIF = 0
Abort Conversion
SLEEP
Power-down A/D
Wait 2 TAD
Wake-up
Yes
No
Yes
No
No
Yes
Finish Conversion
GO = 0
ADIF = 1
Device in
No
Yes
Finish Conversion
GO = 0
ADIF = 1
Wait 2 TAD
Stay in Sleep
Selected Channel
= RC?
SLEEP
No
Yes
Instruction?
Start of A/D
Conversion Delayed
1 Instruction Cycle
From Sleep?
Power-down A/D
Yes
No
Wait 2 TAD
Finish Conversion
GO = 0
ADIF = 1
SLEEP?



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