Datasheet

Section 26 Low-Voltage Detection Circuits
REJ09B0465-0300 Rev. 3.00 Page 865 of 982
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
26.2.5 Low-Voltage Detection Circuit 1 Control Register L (LD1CRL)
Address:
Bit:
Value after reset:
b7
VD1E
0
b6
⎯
0
b5
⎯
0
b4
⎯
0
b3
0
b2
0
b1
0
b0
0
H'FF0625
VD1LS[3:0]
Bit Symbol Bit Name Description R/W
7 VD1E LVD1 circuit
enable
0: The LVD1 circuit is not used. (In standby mode)
1: The LVD1 circuit is used.
R/W
6 to 4 ⎯ Reserved These bits are read as 0. The write value should be 0. ⎯
3 to 0 VD1LS
[3:0]
LVD1
detection
voltage level
select 3 to 0
0000: Setting prohibited
0001: Setting prohibited
0010: Setting prohibited
0011: Setting prohibited
0100: Setting prohibited
0101: Setting prohibited
0110: Setting prohibited
0111: 3.07 V (typ.)
1000: 3.22 V (typ.)
1001: 3.37 V (typ.)
1010: 3.52 V (typ.)
1011: 3.67 V (typ.)
1100: 3.82 V (typ.)
1101: 3.97 V (typ.)
1110: 4.12 V (typ.)
1111: 4.27 V (typ.)
R/W
Note: This register is not initialized by an LVD2 reset and LVD1 reset.