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M16C/5L Group, M16C/56 Group
Table 24.12
Registers and Settings in Single Sweep Mode
Register
AINRST
AD0 to AD7
ADCON2
ADCON0
ADCON1
Note:
1.
This table does not describe a procedure.
A/D conversion start
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
IR bit in the
ADIC register
The above diagram applies under the following conditions:
•
Bits SCAN1 to SCAN0 in the ADCON1 register are 01b (AN0 to AN3 (4 pins)).
•
Bits ADGSEL1 to ADGSEL0 in the ADCON2 register are 00b (AN0 to AN7).
Figure 24.10 Operation Example in Single Sweep Mode
R01UH0127EJ0110 Rev.1.10
Sep 01, 2011
Bit
AINRST1,
Select whether open-circuit detection assist function is used or
AINRST0
not.
b9 to b0
A/D conversion result can be read.
ADGSEL1,
Select analog input pin group.
ADGSEL0
Select φ AD frequency.
CKS2
CH2 to CH0
Disabled
MD1 to MD0
Set to 10b.
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
SCAN1, SCAN0
Select analog input pin.
Select φ AD frequency.
CKS1
ADSTBY
Set to 1 when performing A/D conversion.
(1)
Setting
Single A/D conversion
Set to 0 by acceptance of an
interrupt request or by a program
24. A/D Converter
Time
Page 635 of 803
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