Renesas M16C/50 Series User Manual page 112

M16C/5L Group, M16C/56 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 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 monitor 2 enabled) and
the VC27 bit in the VCR2 register is 1 (voltage detector 2 enabled).
Condition to become 0:
•
VCC < Vdet2 (when the VW12E bit is 1 and the VC27 bit is 1)
Conditions to become 1:
VCC ≥ Vdet2 (when the VW12E bit is 1 and the VC27 bit is 1)
•
•
The VC27 bit is 0 (voltage detector 2 disabled).
R01UH0127EJ0110 Rev.1.10
Sep 01, 2011
b0
0
Symbol
VCR1
Bit Symbol Bit Name
—
Reserved bits
(b2-b0)
Low-voltage monitor flag
VC13
—
Reserved bits
(b7-b4)
Address
0000 1000b (hardware reset, power-on
0019h
Set to 0
0: VCC < Vdet2
1: VCC ≥ Vdet2
or voltage detector 2 disabled
Set to 0
7. Voltage Detector
Reset Value
reset, voltage monitor 0 reset)
Function
Page 75 of 803
RW
RW
RO
RW