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R8C2K Datasheet(PDF) 369 Page - Renesas Technology Corp

Part # R8C2K
Description  RENESAS MCU R8C FAMILY / R8C/2x SERIES
PDF  471 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

R8C2K Datasheet(HTML) 369 Page - Renesas Technology Corp

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R8C/2K Group, R8C/2L Group
19. A/D Converter
Rev.1.10
Dec 21, 2007
Page 352 of 450
REJ09B0406-0110
19.1
One-Shot Mode
In one-shot mode, the input voltage of one selected pin is A/D converted once.
Table 19.2 lists the Specification of One-Shot Mode. Figures 19.4 and 19.5 show Registers ADCON0 and
ADCON1 in One-Shot Mode.
Table 19.2
Specification of One-Shot Mode
Item
Specification
Function
The input voltage of one pin selected by bits CH2 to CH0 and ADGSEL0 is
A/D converted once
Start condition
• When the ADCAP bit is set to 0 (software trigger):
Set the ADST bit to 1 (A/D conversion starts)
• When the ADCAP bit is set to 1 (starts in timer RD (complementary PWM
mode):
A compare match between registers TRD0 and TRDGRA0 or a TRD1
underflow is generated while the ADST bit is set to 1
Stop condition
• A/D conversion completes (when the ADCAP bit is set to 0 (software
trigger), ADST bit is set to 0)
• Set the ADST bit to 0
Interrupt request generation
timing
A/D conversion completes
Input pin
Select one of AN2, AN4 to AN11
Reading of A/D conversion
result
Read AD register



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