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M16C/64C Group
Table 27.9
Registers and Settings in One-Shot Mode
Register
PCLKSTP1
PCR
AINRST
AINRST1, AINRST0 Select whether open-circuit detection assist function is used or not.
AD0 to AD7
ADGSEL1, ADGSEL0 Select analog input pin group.
ADCON2
ADCON0
SCAN1, SCAN0
ADCON1
ADEX1, ADEX0
Note:
1.
This table does not describe a procedure.
IR bit in the ADIC register
The above diagram applies under the following conditions:
•
Bits CH2 to CH0 in the ADCON0 register are 010b (AN2).
•
Bits ADGSEL1 to ADGSEL0 in the ADCON2 register are 00b (AN0 to AN7).
Figure 27.10 Operation Example in One-Shot Mode
R01UH0092EJ0110 Rev.1.10
Jul 31, 2012
Bit
PCKSTP1A
Set to 0 when using f1.
Set to 1 ( INT6 input disabled) when using the AN2_4 pin for analog
PCR5
input.
Set to 1 ( INT7 input disabled) when using the AN2_5 pin for analog
PCR6
input.
Set to 1 (key input disabled) when using pins AN4 to AN7 for
PCR7
analog input.
b9 to b0
A/D conversion result can be read.
Select φ AD frequency.
CKS2
CH2 to CH0
Select analog input pin.
MD1 to MD0
Set to 00b.
TRG
Select a trigger.
ADST
Set to 1 to start A/D conversion and set to 0 to stop it.
Select φ AD frequency.
CKS0
Disabled
MD2
Set to 0.
Select φ AD frequency.
CKS1
ADSTBY
Set to 1 when performing A/D conversion.
Select whether ANEX0 and ANEX1 are used or not
A/D conversion start
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
(1)
Setting
Single A/D conversion
Set to 0 by acceptance of an
interrupt request or by a program
Time
27. A/D Converter
Page 633 of 807
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