Under development
Preliminary specification
Specifications in this manual are tentative and subject to change.
R8C/L35A Group, R8C/L36A Group, R8C/L38A Group, R8C/L3AA Group,
R8C/L35B Group, R8C/L36B Group, R8C/L38B Group, R8C/L3AB Group
6. Voltage Detection Circuit
6.2.2
Voltage Monitor Circuit Edge Select Register (VCAC)
b6
0
b5
0
b4
0
b3
0
b2
0
b1
0
b0
0
R/W
—
R/W
R/W
—
Address 0031h
Bit
b7
Symbol
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
0
Symbol
Bit Name
Function
—
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
VCAC1 Voltage monitor 1 circuit edge select bit
0: One edge
1: Both edges
VCAC2 Voltage monitor 2 circuit edge select bit
0: One edge
1: Both edges
—
Nothing is assigned. If necessary, set to 0. When read, the content is 0.
—
—
—
—
Notes:
1. When the VCA1 bit is set to 0 (one edge), the VW1C7 bit in the VW1C register is enabled. Set the VW1C7 bit
after setting the VCAC1 bit to 0.
2. When the VCA2 bit is set to 0 (one edge), the VW2C7 bit in the VW2C register is enabled. Set the VW2C7 bit
after setting the VCAC2 bit to 0.
6.2.3
Voltage Detect Register (VCA1)
b6
0
b5
0
b4
0
b3
1
b2
0
b1
0
b0
0
R/W
R/W
Address 0033h
Bit
b7
Symbol
After Reset
0
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Symbol
Bit Name
Function
—
Set to 0.
Reserved bits
—
—
VCA13 Voltage detection 2 signal monitor flag
0: VCC
<
Vdet2
1: VCC
≥
Vdet2
or voltage detection 2 circuit disabled
—
Set to 0.
Reserved bits
—
—
—
R
R/W
Note:
1. When the VCA27 bit in the VCA2 register is set to 1 (voltage detection 2 circuit enabled), the VCA13 bit is
enabled.
When the VCA27 bit in the VCA2 register is set to 0 (voltage detection 2 circuit disabled), the VCA13 bit is set to
1 (VCC
≥
Vdet2).
REJ09B0441-0010 Rev.0.10
Page 65 of 809
Jul 30, 2008
RENESAS [ RENESAS TECHNOLOGY CORP ]
