mc9s12vr48 Freescale Semiconductor, Inc, mc9s12vr48 Datasheet - Page 257
mc9s12vr48
Manufacturer Part Number
mc9s12vr48
Description
S12 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC9S12VR48.pdf
(592 pages)
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8.3.2
This section describes in address order all the ADC12B6C registers and their individual bits.
8.3.2.1
Writes to this register will abort current conversion sequence.
Read: Anytime
Write: Anytime, in special modes always write 0 to Reserved Bit 7.
Freescale Semiconductor
Module Base + 0x0000
WRAP[3-0]
Reset
Field
3-0
W
R
Reserved
Register Descriptions
Wrap Around Channel Select Bits — These bits determine the channel for wrap around when doing
multi-channel conversions. The coding is summarized in
ATD Control Register 0 (ATDCTL0)
0
7
WRAP3 WRAP2 WRAP1 WRAP0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
= Unimplemented or Reserved
0
0
6
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Table 8-2. Multi-Channel Wrap Around Coding
Figure 8-3. ATD Control Register 0 (ATDCTL0)
MC9S12VR Family Reference Manual, Rev. 2.2
Preliminary - Subject to Change Without Notice
Table 8-1. ATDCTL0 Field Descriptions
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
5
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
4
Multiple Channel Conversions (MULT = 1)
Description
Wraparound to AN0 after Converting
WRAP3
Table
1
3
8-2.
Reserved
AN1
AN2
AN3
AN4
AN5
AN5
AN5
AN5
AN5
AN5
AN5
AN5
AN5
AN5
AN5
Analog-to-Digital Converter (ADC12B6CV2)
WRAP2
1
1
2
WRAP1
1
1
WRAP0
1
0
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