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CHAPTER 13 10-BIT A/D CONVERTER ( µ PD780354, 780354Y SUBSERIES)
ADCS0
ADCE0
0
0
0
1
1
0
1
1
Note Data of the first conversion cannot be used immediately after A/D conversion is started.
Figure 13-3. Timing Chart When Boost Reference Voltage Generator Is Used
ADCE0
Boost reference voltage
ADCS0
14 µ s or more are required for reference voltage stabilization.
Note
Cautions 1. Stop A/D conversion operations once before rewriting FR00 to FR02 to other than the same
data.
2. Before clearing ADCE0, clear ADCS0.
248
Table 13-2. Settings of ADCS0 and ADCE0
A/D Conversion Operation
Stop status (DC power consumption path does not exist)
Conversion waiting mode (only reference voltage generator consumes power)
Conversion mode (reference voltage generator operation stopped
Conversion mode (reference voltage generator operates)
Boost reference voltage generator: operating
Conversion
Conversion
operation
waiting
Note
User's Manual U15798EJ2V0UD
Note
Conversion
Conversion stopped
operation
)
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