MC68HC11KA4TS Datasheet, PDF (50/68 Pages) Motorola, Inc – 8-Bit Microcontroller

ADCTL —A/D Control/Status
Bit 7
6
5
4
3
2
1
CCF
—
SCAN MULT
CD
CC
CB
RESET:
0
0
0
0
0
0
0
CCF — Conversions Complete Flag
CCF is set after an A/D conversion cycle and cleared when ADCTL is written.
$0030
Bit 0
CA
0
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 8 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
V_RH*
V_RL*
(V_RH)/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
50
MC68HC11KA4
MC68HC11KA4TS/D