R8C/20 Group, R8C/21 Group 6. Voltage Detection Circuit
Rev.2.00 Aug 27, 2008 Page 34 of 458
REJ09B0250-0200
6.1 VCC Input Voltage
6.1.1 Monitoring Vdet1
Vdet1 cannot be monitored.
6.1.2 Monitoring Vdet2
Set the VCA27 bit in the VCA2 register to 1 (voltage detection 2 circuit enabled). After td(E-A) has elapsed
(refer to 20. Electrical Characteristics), Vdet2 can be monitored by the VCA13 bit in the VCA1 register.
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