Voltage Detector 2 Flag Register (Vcr1) - Renesas M16C/64A Series User Manual

M16C/64A Group
7.2.1

Voltage Detector 2 Flag Register (VCR1)

Voltage Detector 2 Flag Register
b7 b6 b5 b4 b3 b2 b1
0 0 0 0 0 0
This register does not change at voltage monitor 1 reset, voltage monitor 2 reset, oscillator stop detect
reset, watchdog timer reset, or software reset.
VC13 (Low-voltage monitor flag) (b3)
The VC13 bit is enabled when the VW12E bit in the VWCE register is 1 (voltage monitors 1 and 2
enabled) and the VC27 bit in the VCR2 register is 1 (voltage detector 2 enabled).
Condition to become 0:
•
VCC1 < Vdet2 (when the VW12E bit is 1 and the VC27 bit is 1)
Conditions to become 1:
VCC1 ≥ Vdet2 (when the VW12E bit is 1 and the VC27 bit is 1)
•
•
The VC27 bit is 0 (voltage detector 2 disabled).
R01UH0136EJ0210 Rev.2.10
Jul 31, 2012
b0
0
Symbol
VCR1
Bit Symbol Bit Name
—
Reserved bits
(b2-b0)
VC13 Low-voltage monitor flag
—
Reserved bits
(b7-b4)
Address
0019h 0000 1000b (hardware reset, power-on
Set to 0
0: VCC1 < Vdet2
1: VCC1 ≥ Vdet2
or voltage detector 2 disabled
Set to 0
7. Voltage Detector
Reset Value
reset, voltage monitor 0 reset)
Function
Page 63 of 800
RW
RW
RO
RW