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MC68HC711K4CFN4 Datasheet, PDF (62/80 Pages) Motorola, Inc – 8-Bit Microcontroller
ADCTL —A/D Control/Status
$0030
Bit 7
6
5
4
3
2
1
Bit 0
CCF
—
SCAN MULT
CD
CC
CB
CA
RESET:
0
0
0
0
0
0
0
0
CCF — Conversions Complete Flag
0 = Write to ADCTL is complete
1 = A/D conversion cycle is complete
Bit 6 — Not implemented
Always reads zero
SCAN —Continuous Scan Control
0 = Do four conversions and stop
1 = Convert four channels in selected group continuously
MULT —Multiple Channel/Single Channel Control
0 = Convert single channel selected
1 = Convert four channels in selected group
CD:CA —Channel Select D through A
Table 9 A/D Converter Channel Assignments
Channel Select Control Bits
CD
CC
CB
CA
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
Channel Signal
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
Reserved
Reserved
Reserved
Reserved
VRH*
VRL*
(VRH)/2*
Reserved*
Result in ADRx if
MULT = 1
ADR1
ADR2
ADR3
ADR4
ADR1
ADR2
ADR3
ADR4
—
—
—
—
ADR1
ADR2
ADR3
ADR4
*Used for factory testing
ADR[4:1] —A/D Results
$0031 – $0034
$0031
Bit 7
6
5
4
3
2
1
Bit 0
ADR1
$0032
Bit 7
6
5
4
3
2
1
Bit 0
ADR2
$0033
Bit 7
6
5
4
3
2
1
Bit 0
ADR3
$0034
Bit 7
6
5
4
3
2
1
Bit 0
ADR4
MOTOROLA
62
M68HC11 K Series
MC68HC11KTS/D