MC68HC812A4 Datasheet, PDF (289/342 Pages) Motorola, Inc – 16-bit device composed of standard on-chip peripheral modules connected by an intermodule bus. Modules include

Analog-to-Digital Converter (ATD)
Register Map
Addr.
$0068
$0069
$006F
$0070
$0072
$0074
$0076
$0078
$007A
Register Name
Bit 7
6
5
ATD Test Register 1
(ATDTEST1)
See page 299.
Read:
Write:
Reset:
SAR9
0
SAR8
0
SAR7
0
ATD Test Register 2 ^Read: _SAR1
SAR0
RST
(ATDTEST2) Write:
See page 299. _{Reset: 0}
0
0
Port AD Data Input
Register (PORTAD)
See page 302.
Read:
Write:
Reset:
PAD7
0
PAD6
0
PAD5
0
ATD Result Register 0
(ADR0H)
See page 300.
Read:
Write:
Reset:
ADRxH7
ADRxH6
ADRxH5
ATD Result Register 1
(ADR1H)
See page 300.
Read:
Write:
Reset:
ADRxH7
ADRxH6
ADRxH5
ATD Result Register 2
(ADR2H)
See page 300.
Read:
Write:
Reset:
ADRxH7
ADRxH6
ADRxH5
ATD Result Register 3
(ADR3H)
See page 300.
Read:
Write:
Reset:
ADRxH7
ADRxH6
ADRxH5
ATD Result Register 4
(ADR4H)
See page 300.
Read:
Write:
Reset:
ADRxH7
ADRxH6
ADRxH5
ATD Result Register 5
(ADR5H)
See page 300.
Read:
Write:
Reset:
ADRxH7
ADRxH6
ADRxH5
= Unimplemented
4
3
SAR6 SAR5
0
0
TSTOUT TST3
0
PAD4
0
PAD3
0
0
ADRxH4 ADRxH3
Indeterminate
ADRxH4 ADRxH3
Indeterminate
ADRxH4 ADRxH3
Indeterminate
ADRxH4 ADRxH3
Indeterminate
ADRxH4 ADRxH3
Indeterminate
ADRxH4 ADRxH3
Indeterminate
2
SAR4
0
TST2
0
PAD2
0
ADRxH2
ADRxH2
ADRxH2
ADRxH2
ADRxH2
ADRxH2
1
SAR3
0
TST1
0
PAD1
0
ADRxH1
ADRxH1
ADRxH1
ADRxH1
ADRxH1
ADRxH1
Bit 0
SAR2
0
TST0
0
PAD0
0
ADRxH0
ADRxH0
ADRxH0
ADRxH0
ADRxH0
ADRxH0
Figure 16-2. ATD I/O Register Summary (Sheet 2 of 3)
Advance Information
MOTOROLA
Analog-to-Digital Converter (ATD)
MC68HC812A4 — Rev. 3.0
289