mc68hc912bd32 Freescale Semiconductor, Inc, mc68hc912bd32 Datasheet - Page 229
mc68hc912bd32
Manufacturer Part Number
mc68hc912bd32
Description
16-bit Device Composed Of Standard On-chip Peripherals
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC912BD32.pdf
(292 pages)
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7-adc
SCAN — Enable Continuous Channel Scan
MULT — Enable Multichannel Conversion
CD, CC, CB, and CA — Channel Select for Conversion
S8CM
When a conversion sequence is initiated by a write to the ATDCTL
register, the user has a choice of performing a sequence of four (or
eight, depending on the S8CM bit) conversions or continuously
performing four (or eight) conversion sequences.
Freescale Semiconductor, Inc.
0
0
0
0
For More Information On This Product,
Table 54 Multichannel Mode Result Register Assignment
0 = Conversion sequence consists of four conversions
1 = Conversion sequence consists of eight conversions
0 = Single conversion sequence
1 = Continuous conversion sequences (scan mode)
0 = ATD sequencer runs all four or eight conversions on a single
1 = ATD sequencer runs each of the four or eight conversions on
input channel selected via the CD, CC, CB, and CA bits.
sequential channels in a specific group. Refer to
CD
0
0
1
1
Go to: www.freescale.com
Analog to Digital Converter
CC
0
1
0
1
CB
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
CA
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Channel Signal
TEST/Reserved
(V
Reserved
Reserved
Reserved
Reserved
RH
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
V
V
+ V
RH
RL
RL
MC68HC912BD32 Rev 1.0
Analog to Digital Converter
)/2
Result in ADRx
if MULT = 1
ATD Registers
Table
ADR0
ADR1
ADR3
ADR0
ADR1
ADR2
ADR3
ADR0
ADR1
ADR2
ADR3
ADR0
ADR1
ADR2
ADR3
ADRx
54.
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