MC68HC11A1 MOTOROLA [Motorola, Inc], MC68HC11A1 Datasheet - Page 43

• Manufacturer Part Number: MC68HC11A1
• Description: 8-Bit Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

CD–CA — Channel Select D through A
ADR1–ADR4 — A/D Results
OPTION — System Configuration Options
ADPU — A/D Power Up
CSEL — Clock Select
MC68HC11A8
MC68HC11A8TS/D
RESET:
$1031
$1032
$1033
$1034
* Not available in 48-pin package
**Used for factory testing
(1)
*Can be written only once in first 64 cycles out of reset in normal modes, or any time in special modes.
Volts
% of V
%
0 = A/D Converter powered down
1 = A/D Converter powered up
0 = A/D and EEPROM use system E clock
1 = A/D and EEPROM use internal RC clock
(1)
(2)
ADPU
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
RH
CD
0
0
0
0
0
0
0
0
1
1
1
1
1
0
–V
RL
Table 11 Analog Input to 8-Bit Result Translation Table
Channel Select Control Bits
2.500
CSEL
Bit 7
50%
6
6
6
6
6
6
0
CC
0
0
0
0
1
1
1
1
0
1
1
1
1
Table 10 A/D Converter Channel Assignments
1.250
IRQE*
25%
6
(2)
5
5
5
5
5
5
0
V
RL
= 0.0 V; V
CB
12.5%
X
0
0
1
1
0
0
1
1
0
0
1
1
0.625
DLY*
5
4
4
4
4
4
4
1
RH
0.3125
6.25%
CME
= 5.0 V
CA
4
X
3
3
3
3
3
3
0
0
1
0
1
0
1
0
1
0
1
0
1
0.1562
3.12%
3
2
2
2
2
2
2
0
0
Reserved**
Reserved
(V
Channel
Signal
V
V
AN4*
AN5*
AN6*
AN7*
RH
AN0
AN1
AN2
AN3
RH
RL
)/2**
**
**
0.0781
1.56%
CR1*
2
1
1
1
1
1
1
0
$1031–$1034
$1039
0.0391
0.78%
Result in ADRx if
CR0*
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
1
0
ADR1–ADR4
MULT = 1
ADR1
ADR2
ADR3
ADR4
ADR1
ADR2
ADR3
ADR4
ADR1
ADR2
ADR3
ADR4
0.0195
0.39%
ADR1
ADR2
ADR3
ADR4
Bit 0
MOTOROLA
43