R01UH0822EJ0100 Rev.1.00
Page 115 of 1041
Jul 31, 2019
RX13T Group
8. Voltage Detection Circuit (LVDAb)
8.2
Register Descriptions
8.2.1
Voltage Monitoring 1 Circuit Control Register 1 (LVD1CR1)
Note:
Set the PRCR.PRC3 bit to 1 (write enabled) before rewriting this register.
Address(es): 0008 00E0h
b7
b6
b5
b4
b3
b2
b1
b0
—
—
—
—
—
LVD1IR
QSEL
LVD1IDTSEL
[1:0]
Value after reset:
0
0
0
0
0
0
0
1
Bit
Symbol
Bit Name
Description
R/W
b1, b0
Voltage Monitoring 1 Interrupt
Generation Condition Select
b1 b0
0 0: When VCC ≥ Vdet1 (rise) is detected
0 1: When VCC < Vdet1 (drop) is detected
1 0: When drop and rise are detected
1 1: Setting prohibited
R/W
b2
LVD1IRQSEL Voltage Monitoring 1 Interrupt Type
Select
0: Non-maskable interrupt
1: Maskable interrupt
R/W
b7 to b3
—
Reserved
These bits are read as 0. The write value should be 0. R/W