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| XC164-16 Datasheet, PDF (86/417 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core Volume 2 (of 2): Peripheral Units | |||
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XC164-16 Derivatives
Peripheral Units (Vol. 2 of 2)
The Analog/Digital Converter
Field
ADWR
ADBSY
ADST
ADM
ADCH
Bits Type Function
9
rw
ADC Wait for Read Control
8
rh
ADC Busy Flag
0 ADC is idle
1 A conversion is active
7
rwh ADC Start Bit
0 Stop a running conversion
1 Start conversion(s)
[5:4] rw
ADC Mode Selection
00 Fixed Channel Single Conversion
01 Fixed Channel Continuous Conversion
10 Auto Scan Single Conversion
11 Auto Scan Continuous Conversion
[3:0] rw
ADC Analog Channel Input Selection
Selects the (first) ADC channel which is to be
converted.
ADC_CON1
ADC Control Register 1
SFR (FFA6H/D3H)
Reset Value: 0000H
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ICST
SAM
PLE
CAL
RES
rw rh rh rw
ADCTC
rw
ADSTC
rw
Field
ICST
SAMPLE
CAL
Bits Type Description
15
rw
Improved Conversion and Sample Timing
Selects the active timing control bitfields
0 Standard conversion and sample time control,
2-bit fields in ADC_CON (default after reset)
1 Improved conversion and sample time control,
6-bit fields in ADC_CON1
14
rh
Sample Phase Status Flag
0 A/D Converter is not in sampling
1 A/D Converter is currently in the sample phase
13
rh
Reset Calibration Phase Status Flag
0 A/D Converter is not in calibration phase
1 A/D Converter is in calibration phase
Userâs Manual
ADC_X41, V2.1
16-4
V2.1, 2004-03
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