R5F21143DSP View Datasheet(PDF) - Renesas Electronics

Part Name

Description

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R5F21143DSP

R8C/14 Group, R8C/15 Group SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Renesas Electronics 

R8C/14 Group, R8C/15 Group

6. Voltage Detection Circuit

6.1 Monitoring 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) (refer

to 19. Electrical Characteristics) elapse, Vdet2 can be monitored by the VCA13 bit in the VCA1

register.

Rev.2.10 Jan 19, 2006 Page 31 of 253

REJ09B0164-0210

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