mc68hc11ea9 Freescale Semiconductor, Inc, mc68hc11ea9 Datasheet - Page 56

• Manufacturer Part Number: mc68hc11ea9
• Description: 8-bit Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

ADCTL — A/D Control/Status
CCF — Conversions Complete Flag
Bit 6 — Not implemented
SCAN — Continuous Scan Control
MULT — Multiple Channel/Single Channel Control
CD–CA — Channel Select D through A
56
RESET:
Set after an A/D conversion cycle is completed. CCF is cleared by a write to ADCTL.
Always reads zero
0 = The A/D converter is currently performing a conversion sequence
1 = The A/D converter has completed a conversion, placed the result in the appropriate result reg-
0 = Do four conversions and stop
1 = Convert four channels in selected group continuously
0 = Convert single channel selected
1 = Convert four channels in selected group
ister and is currently idle
BIT 7
CCF
Channel Select Control Bits
I
CD
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
CC
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Table 23 A/D Converter Channel Select Control Bits
—
6
0
Freescale Semiconductor, Inc.
For More Information On This Product,
CB
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
SCAN
5
I
CA
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
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MULT
4
I
Reserved
Reserved
Reserved
Reserved
Reserved
Channel
(V
Signal
V
V
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
RH
RH
RL
)/2*
*
*
CD
3
I
CC
2
I
Result in ADRx if
MULT = 1
ADR1
ADR2
ADR3
ADR4
ADR1
ADR2
ADR3
ADR4
ADR1
ADR2
ADR3
ADR4
CB
—
—
—
—
1
I
MC68HC11EA9TS/D
BIT 0
CA
I
MC68HC11EA9
$1030