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3
SPECIFICATIONS
3.4.2
A/D conversion enable/disable function
The A/D conversion can be enabled or disabled for each channel using this function.
By setting A/D conversion disabled for unnecessary channels, the conversion cycle
shortens.
The conversion cycle is calculated with "Conversion speed (200µs) × Number of
conversion-enabled channels".
By default, the A/D conversion is disabled for all channels.
(1) Setting method
Set the A/D conversion enable/disable function in CH
disable setting (RYn0 to RYn3).
After the setting is completed, turn Initial data setting request flag (RY(n+1)9) from off
to on to reflect the setting contents.
CH
disable setting (RYn0 to RYn3)
(2) Process after the change of A/D conversion enable/disable setting
(a) A/D conversion disabled → A/D conversion enabled
(b) A/D conversion enabled → A/D conversion disabled
Table 3.8 A/D conversion enable/disable setting
Setting item
A/D conversion enable/
• The conversion starts in the enabled channel.
• When the first A/D conversion is completed after the A/D conversion enable
setting, the digital output value in the corresponding channel is stored in the
CH
Digital output value (RWrn to RWrn+3). After the digital output value is
stored, CH
A/D conversion completion flag (RXn0 to RXn3) is turned on in
the corresponding channel.
• The conversion stops in the disabled channel. The digital output value stored
in CH
Digital output value (RWrn to RWrn+3) in the corresponding channel
is cleared to "0".
• CH
A/D conversion completion flag (RXn0 to RXn3) in the corresponding
channel is turned off.
3.4.2 A/D conversion enable/disable function
A/D conversion enable/
Description
ON: A/D conversion enabled
OFF: A/D conversion disabled
3.4 Functions
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Troubleshooting
