MC68HC711xxxx Motorola, MC68HC711xxxx Datasheet - Page 71

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MC68HC711xxxx

Manufacturer Part Number
MC68HC711xxxx
Description
Microcontrollers
Manufacturer
Motorola
Datasheet
3.10 A/D Converter Result Registers
M68HC11E Family — Rev. 5
MOTOROLA
These read-only registers hold an 8-bit conversion result. Writes to these registers
have no effect. Data in the A/D converter result registers is valid when the CCF flag
in the ADCTL register is set, indicating a conversion sequence is complete. If
conversion results are needed sooner, refer to
conversion sequence diagram.
Register name: Analog-to-Digital Converter Result Register 1
Register name: Analog-to-Digital Converter Result Register 2
Register name: Analog-to-Digital Converter Result Register 3
Register name: Analog-to-Digital Converter Result Register 4
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
Analog-to-Digital (A/D) Converter
= Unimplemented
Figure 3-6. Analog-to-Digital Converter
Bit 6
Bit 6
Bit 6
Bit 6
6
6
6
6
Result Registers (ADR1–ADR4)
Bit 5
Bit 5
Bit 5
Bit 5
5
5
5
5
Indeterminate after reset
Indeterminate after reset
Indeterminate after reset
Indeterminate after reset
Bit 4
Bit 4
Bit 4
Bit 4
4
4
4
4
Address: $1031
Address: $1032
Address: $1033
Address: $1034
Figure
Bit 3
Bit 3
Bit 3
Bit 3
3
3
3
3
Analog-to-Digital (A/D) Converter
A/D Converter Result Registers
3-3, which shows the A/D
Bit 2
Bit 2
Bit 2
Bit 2
2
2
2
2
Bit 1
Bit 1
Bit 1
Bit 1
1
1
1
1
Data Sheet
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
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