US38024-BAG1 Renesas Electronics America, US38024-BAG1 Datasheet - Page 459

• Manufacturer Part Number: US38024-BAG1
• Description: DEV EVALUATION KIT H8/38024
• Manufacturer: Renesas Electronics America
• Series: H8®r
• Type: MCUr

Specifications of US38024-BAG1

• Contents: 2G (Second-generation) Evaluation Board, HEW debugger support, Cable and CD-ROM
• For Use With/related Products: H8/38024
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Bits 6 to 4—Reserved
These bits are read/write enabled reserved bits.
Bit 3—Reference Voltage External Input Select (VREFSEL)
This bit is used to select the reference voltage.
Bit 3
VREFSEL
0
1
Bit 2—Reserved
This bit is reserved. It is always read as 0 and cannot be written to.
Bit 1—LVD Power Supply Voltage Drop Flag (LVDDF)
This bit indicates when a power supply voltage drop has been detected.
Bit 1
LVDDF
0
1
Bit 0—LVD Power Supply Voltage Rise Flag (LVDUF)
This bit indicates when a power supply voltage rise has been detected.
Bit 0
LVDUF
0
1
Section 14 Power-On Reset and Low-Voltage Detection Circuits (H8/38124 Group Only)
Description
The on-chip circuit is used to generate the reference voltage
The reference voltage is input to the Vref pin from an external source
Description
[Clearing condition]
When 0 is written after reading 1
[Setting condition]
When the power supply voltage drops below Vint(D)
Description
[Clearing condition]
When 0 is written after reading 1
[Setting condition]
When the power supply voltage drops below Vint(D) while the LVDUE bit in
LVDCR is set to 1, and it rises above Vint(U) before dropping below Vreset1
Rev. 8.00 Mar. 09, 2010 Page 437 of 658
REJ09B0042-0800
(initial value)
(initial value)
(initial value)