hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 481

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Bit 3—LVDR Detection Level Select (LVDSEL)
This bit is used to select the LVDR detection level. Select 2.3 V (typical) reset if voltage rise and
drop detection interrupts are to be used. For reset detection only, Select 3.3 V (typical) reset.
Bit 3
LVDSEL
0
1
Bit 2—LVDR Enable (LVDRE)
This bit is used to control whether resets triggered by LVDR are enabled or disabled.
Bit 2
LVDRE
0
1
Bit 1—Voltage Drop Interrupt Enable (LVDDE)
This bit is used to control whether voltage drop interrupt requests are enabled or disabled.
Bit 1
LVDDE
0
1
Bit 0—Voltage Rise Interrupt Enable (LVDUE)
This bit is used to control whether voltage rise interrupt requests are enabled or disabled.
Bit 0
LVDUE
0
1
Section 14 Power-On Reset and Low-Voltage Detection Circuits (H8/38124 Group Only)
Description
Reset detection voltage 2.3 V (typ.)
Reset detection voltage 3.3 V (typ.)
Description
LVDR resets disabled
LVDR resets enabled
Description
Voltage drop interrupt requests disabled
Voltage drop interrupt requests enabled
Description
Voltage rise interrupt requests disabled
Voltage rise interrupt requests enabled
Rev. 7.00 Mar 10, 2005 page 439 of 652
REJ09B0042-0700
(initial value)
(initial value)
(initial value)
(initial value)