Adc Input Conversion For Sample Bits - Freescale Semiconductor 56F800 User Manual

16-bit digital signal controllers
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15
14
BASE+$7
Read
0
Write
Reset
0
0
Figure 9-8. ADC Channel List Register 4 (ADLST4)
15
14
BASE+$8
Read
0
Write
Reset
0
0
Figure 9-9. ADC Channel List Register 5 (ADLST5)
9.8.4.1 Channel Select (SAMPLEn)
This is a binary representation of the analog input to be converted. SAMPLEn[6] acts as a select
for single-ended or differential input select for the corresponding sample.
9.8.4.2 Configuration Select (SAMPLEn)
• 0 - Single ended sample input
• 1 - Differential sample input
Table 9-7. ADC Input Conversion for Sample Bits
6
0
0
0
0
0
0
0
0
0
0
0
1
1
1
Freescale Semiconductor
13
12
11
10
SAMPLE7
0
0
0
1
See Programmer's Sheets on Appendix page B- 55
13
12
11
10
SAMPLE9
0
0
1
0
See Programmer's Sheets on Appendix page B- 55
SAMPLEn[6:0]
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
1
0
0
0
0
1
0
0
0
0
1
1
0
0
0
1
1
0
0
1
0
0
0
0
1
0
0
Others
+
AN
AN
even
0
0
0
x
0
0
1
x
0
1
0
x
Analog-to-Digital Converter (ADC), Rev. 3
9
8
7
6
5
0
1
1
0
0
0
9
8
7
6
5
0
0
1
0
0
0
Single Ended
0
0
AN0
1
AN1
0
AN2
1
AN3
0
AN4
1
AN5
0
AN6
1
AN7
0
AN8
1
AN9
Reserved
-
odd
x
x
x
x
x
x
Register Definitions
4
3
2
1
0
SAMPLE6
0
0
1
1
0
4
3
2
1
0
SAMPLE8
0
1
0
0
0
Differential
AN0+, AN0-
AN2+, AN0-
AN4+, AN0-
19

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