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Renesas rl78 User Manual

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RL78/G1A 
 
CHAPTER  11   A/D  CONVERTER 
R01UH0305EJ0200  Rev.2.00 
 
 
348  
Jul 04, 2013 
Table 11-1.  Settings of ADCS and ADCE Bits 
ADCS ADCE 
A/D 
Conversion Operation 
0 0 
Conversion 
stopped 
state 
0 
1 
Conversion standby state 
1 0 
Setting 
prohibited 
1 1 
Conversion-in-progress 
state 
 
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 ADCE 
and 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 1 is 
written to ADCE 
and 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.