PIC17C752 MICROCHIP [Microchip Technology], PIC17C752 Datasheet - Page 175

• Manufacturer Part Number: PIC17C752
• Description: High-Performance 8-Bit CMOS EPROM Microcontrollers
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 16-7: FLOWCHART OF A/D OPERATION
TABLE 16-3:
Address
06h, unbanked CPUSTA
07h, unbanked INTSTA
10h, Bank 4
11h, Bank 4
10h, Bank 5
11h, Bank 5
12h, Bank 5
13h, Bank 5
14h, Bank 5
15h, Bank 5
16h, Bank 5
17h, Bank 5
Legend:
Note 1:
1997 Microchip Technology Inc.
x = unknown, u = unchanged, - = unimplemented read as '0'. Shaded cells are not used for A/D conversion.
Other (non power-up) resets include: external reset through MCLR and Watchdog Timer Reset.
Name
PIR2
PIE2
DDRF
PORTF
DDRG
PORTG
ADCON0
ADCON1
ADRESL
ADRESH
Selected Channel
Finish Conversion
A/D Clock
ADON = 0?
Wait 2T
Device in
SLEEP?
ADIF = 1
ADON = 0
Acquire
GO = 0?
GO = 0,
REGISTERS/BITS ASSOCIATED WITH A/D
= RC?
No
No
No
No
AD
Data Direction register for PORTF
Data Direction register for PORTG
TX2/CK2
A/D Result Low Register
A/D Result High Register
ADCS1
SSPIF
SSPIE
CHS3
Bit 7
AN11
PEIF
RG7/
RF7/
Yes
Yes
Yes
Yes
—
RX2/DT2
T0CKIF
Conversion Delayed
ADCS0
BCLIF
BCLIE
1 Instruction Cycle
CHS2
Bit 6
AN10
RG6/
RF6/
Abort Conversion
Power-down A/D
—
Start of A/D
ADIF = 0
GO = 0,
SLEEP
STAKAV
PWM3
ADFM
CHS1
Bit 5
ADIF
ADIE
RG5/
T0IF
RF5/
AN9
GLINTD
CAP3
CHS0
Bit 4
Preliminary
RG4/
INTF
RF4/
AN8
—
—
—
Finish Conversion
Instruction?
Wait 2T
SLEEP
ADIF = 1
GO = 0,
AN0/V
PCFG3
CA4IE
CA4IF
No
Bit 3
RG3/
PEIE
RF3/
AD
AN7
TO
—
REF
Yes
+
GO/DONE
AN1/V
T0CKIE
PCFG2
CA3IF
CA3IE
Bit 2
RG2/
RF2/
AN6
PD
-
Finish Conversion
Power-down A/D
REF
From Sleep?
Stay in Sleep
Wake-up
ADIF = 1
GO = 0,
PCFG1
TX2IF
TX2IE
Bit 1
RG1/
POR
T0IE
RF1/
No
AN5
AN2
—
Yes
PCFG0
RC2IE
RC2IF
ADON
Bit 0
INTE
RG0/
BOR
RF0/
AN4
AN3
Wait 2T
--11 1100
0000 0000
000- 0010
000- 0000
1111 1111
0000 0000
1111 1111
xxxx 0000
0000 -0-0
000- 0000
xxxx xxxx
xxxx xxxx
Value on:
POR,
BOR
AD
DS30264A-page 175
other Resets
Value on all
--11 qq11
0000 0000
000- 0010
000- 0000
1111 1111
0000 0000
1111 1111
uuuu 0000
0000 -0-0
000- 0000
uuuu uuuu
uuuu uuuu
(Note 1)