mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 145

• Manufacturer Part Number: mc9s12xd256
• Description: Hcs12x Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

4.3.2.8
Read: Anytime, returns unpredictable values
Write: Anytime in special modes, unimplemented in normal modes
4.3.2.9
This register contains the SC bit used to enable special channel conversions.
Read: Anytime, returns unpredictable values for bit 7 and bit 6
Write: Anytime
Freescale Semiconductor
Reset
Reset
Field
SC
W
W
0
R
R
Reserved Register 0 (ATDTEST0)
ATD Test Register 1 (ATDTEST1)
u
1
u
0
7
7
Special Channel Conversion Bit — If this bit is set, then special channel conversion can be selected using
CC, CB, and CA of ATDCTL5.
0 Special channel conversions disabled
1 Special channel conversions enabled
Writing to this register when in special modes can alter functionality.
Writing to this register when in special modes can alter functionality.
= Unimplemented or Reserved
= Unimplemented or Reserved
u
0
u
0
6
6
Figure 4-10. Reserved Register 0 (ATDTEST0)
Figure 4-11. Reserved Register 1 (ATDTEST1)
Table 4-19. ATDTEST1 Field Descriptions
MC9S12XDP512 Data Sheet, Rev. 2.17
u
0
u
0
5
5
Table 4-20
Chapter 4 Analog-to-Digital Converter (ATD10B16CV4) Block Description
lists the coding.
NOTE
NOTE
u
0
u
0
4
4
Description
u
0
u
0
3
3
u
0
u
0
2
2
u = Unaffected
u = Unaffected
u
0
u
0
1
1
SC
u
0
0
0
0
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