SC9S12XS256J1MAA FREESCALE [Freescale Semiconductor, Inc], SC9S12XS256J1MAA Datasheet - Page 285
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SC9S12XS256J1MAA
Manufacturer Part Number
SC9S12XS256J1MAA
Description
HCS12 Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.SC9S12XS256J1MAA.pdf
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10.3.2.8
Writes to this register will abort current conversion sequence.
Read: Anytime
Write: Anytime
Freescale Semiconductor
Module Base + 0x0008
CMPE[15:0]
CC[3:0]
Reset
Field
Field
15–0
3–0
W
R
15
0
Conversion Counter — These 4 read-only bits are the binary value of the conversion counter. The conversion
counter points to the result register that will receive the result of the current conversion. E.g. CC3=0, CC2=1,
CC1=1, CC0=0 indicates that the result of the current conversion will be in ATD Result Register 6. If in non-FIFO
mode (FIFO=0) the conversion counter is initialized to zero at the begin and end of the conversion sequence. If
in FIFO mode (FIFO=1) the register counter is not initialized. The conversion counters wraps around when its
maximum value is reached.
Aborting a conversion or starting a new conversion clears the conversion counter even if FIFO=1.
Compare Enable for Conversion Number n (n= 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0) of a Sequence
— These bits enable automatic compare of conversion results individually for conversions of a sequence. The
sense of each comparison is determined by the CMPHT[n] bit in the ATDCMPHT register.
For each conversion number with CMPE[n]=1 do the following:
CCF[n] in ATDSTAT2 register will flag individual success of any comparison.
0 No automatic compare
1 Automatic compare of results for conversion n of a sequence is enabled.
ATD Compare Enable Register (ATDCMPE)
1) Write compare value to ATDDRn result register
2) Write compare operator with CMPHT[n] in ATDCPMHT register
14
0
13
0
Figure 10-10. ATD Compare Enable Register (ATDCMPE)
Table 10-16. ATDSTAT0 Field Descriptions (continued)
12
0
Table 10-17. ATDCMPE Field Descriptions
S12XS Family Reference Manual, Rev. 1.09
11
0
10
0
0
9
CMPE[15:0]
0
8
Description
Description
0
7
0
6
Analog-to-Digital Converter (ADC12B16CV1)
0
5
4
0
0
3
0
2
0
1
0
0
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