r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 92

• Manufacturer Part Number: r5f21368sdfp
• Description: Renesas Mcu R8c Family / R8c/3xt-a Series
• Manufacturer: Renesas Electronics Corporation.

Under development
R8C/36T-A Group
R01UH0240EJ0001 Rev.0.01
Apr 28, 2011
7.2.5
Note:
After Reset
After Reset
1. The VW0C0 bit is enabled when the VCA25 bit in the VCA2 register is 1 (voltage detection 0 circuit enabled).
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 00038h
The value written to the VW0C0 bit must be the value after reset.
To set the VW0C0 bit to 1, follow the procedure below:
(1) Set the VCA25 bit to 1
(2) Wait for td(E-A) until the detection circuit operates.
(3) Set the VW0C0 bit to 1.
Set the PRC3 bit in the PRCR register to 1 (write enabled) before rewriting the VW0C register.
Symbol
Symbol
VW0C0 Voltage monitor 0 reset enable bit
Bit
Voltage Monitor 0 Circuit Control Register (VW0C)
—
—
—
—
—
—
—
The above applies when the LVDAS bit in the OFS register is 1.
The above applies when the LVDAS bit in the OFS register is 0.
Preliminary document
Specifications in this document are tentative and subject to change.
b7
—
1
1
Reserved
Reserved
Reserved
Reserved
b6
—
1
1
Bit Name
b5
—
0
0
b4
—
0
0
(1)
b3
—
1
1
0: Disabled
1: Enabled
Set to 1.
The read value is undefined.
Set to 0.
Set to 1.
b2
—
0
0
Function
b1
—
1
1
7. Voltage Detection Circuit
VW0C0
b0
0
1
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R/W
R/W
R/W
R/W
R/W
R