RL78/G13 CHAPTER 11 A/D CONVERTER
R01UH0146EJ0100 Rev.1.00 482
Sep 22, 2011
Table 11-1. Settings of ADCS and ADCE Bits
ADCS ADCE A/D Conversion Operation
0 0 Stop status (DC power consumption path does not exist)
0 1
Conversion standby mode (only A/D voltage comparator consumes power
Note
)
1 0 Setting prohibited
1 1 Conversion mode (A/D voltage comparator: enables operation)
Note In hardware trigger wait mode, there is no DC power consumption path even during conversion
standby mode.
Table 11-2. Setting and Clearing Conditions for ADCS Bit
A/D Conversion Mode Set Conditions Clear Conditions
Sequential conversion
mode
When 0 is written to ADCS
Select mode
One-shot conversion
mode
• When 0 is written to ADCS
• The bit is automatically cleared to 0 when
A/D conversion ends.
Sequential conversion
mode
When 0 is written to ADCS
Software
trigger
Scan mode
One-shot conversion
mode
• When 0 is written to ADCS
• The bit is automatically cleared to 0 when
conversion ends on the specified four
channels.
Sequential conversion
mode
When 0 is written to ADCS
Select mode
One-shot conversion
mode
When 0 is written to ADCS
Sequential conversion
mode
When 0 is written to ADCS
Hardware
trigger no-wait
mode
Scan mode
One-shot conversion
mode
When 1 is
written to ADCS
When 0 is written to ADCS
Sequential conversion
mode
When 0 is written to ADCS
Select mode
One-shot conversion
mode
• When 0 is written to ADCS
• The bit is automatically cleared to 0 when
A/D conversion ends.
Sequential conversion
mode
When 0 is written to ADCS
Hardware
trigger wait
mode
Scan mode
One-shot conversion
mode
When a
hardware trigger
is input
• When 0 is written to ADCS
• The bit is automatically cleared to 0 when
conversion ends on the specified four
channels.
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