R01UH0823EJ0100 Rev.1.00
Page 252 of 1823
Jul 31, 2019
RX23W Group
12. Battery Backup Function
12.2.3
VBATT Pin Voltage Drop Detection Interrupt Control Register (VBTLVDICR)
Note:
Set the PRCR.PRC3 bit to 1 (write enabled) before rewriting this register.
Address(es): 0008 C29Fh
b7
b6
b5
b4
b3
b2
b1
b0
—
—
—
—
—
—
VBTLV
DISEL
VBTLV
DIE
Value after reset:
0
0
0
0
0
0
0
0
Bit
Symbol
Bit Name
Description
R/W
b0
VBATT Pin Voltage Drop Detection
Interrupt Enable
0: VBATT pin voltage drop detection interrupt disabled
1: VBATT pin voltage drop detection interrupt enabled
R/W
b1
VBTLVDISEL VBATT Pin Voltage Drop Detection
Interrupt Enable Type Selects
0: Non-maskable interrupt
1: Maskable interrupt
R/W
b7 to b2
—
Reserved
These bits are read as 0. The write value should be 0.
R/W