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UPSD3422 데이터시트(PDF) 174 Page - STMicroelectronics

부품명 UPSD3422
상세설명  Turbo Plus Series Fast Turbo 8032 MCU with USB and Programmable Logic
PDF  293 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
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UPSD3422 데이터시트(HTML) 174 Page - STMicroelectronics

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Analog-to-digital convertor (ADC)
uPSD34xx
174/293
Table 90.
ADCPS register details (SFR 94h, Reset Value 00h)
Table 91.
ADAT0 register (SFR 95h, reset value 00h)
Table 92.
ADAT1 register (SFR 96h, reset value 00h)
Bit
Symbol
Function
7:4
–
Reserved
3
ADCCE
ADC Conversion Reference Clock Enable
0 = ADC reference clock is disabled (default)
1 = ADC reference clock is enabled
2:0
ADCPS[2:0]
ADC Reference Clock PreScaler
Only three Prescaler values are allowed:
ADCPS[2:0] = 0, for fOSC frequency 16MHz or less. Resulting ADC clock is
fOSC.
ADCPS[2:0] = 1, for fOSC frequency 32MHz or less. Resulting ADC clock is
fOSC/2.
ADCPS[2:0] = 2, for fOSC frequency 32MHz > 40MHz. Resulting ADC clock
is fOSC/4.
Bit
Symbol
Function
7:0
–
Store ADC output, Bit 7 - 0
Bit
Symbol
Function
7:2
–
Reserved
1.. 0
–
Store ADC output, Bit 9, 8



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