Datasheet

Section 6 Power-Down Modes
Page 142 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
6.1 Register Descriptions
The registers related to power-down modes are listed below.
• Power-down control register 1 (LPCR1)
• Power-down control register 2 (LPCR2)
• Power-down control register 3 (LPCR3)
• Module standby control register 1 (MSTCR1)
• Module standby control register 2 (MSTCR2)
• Module standby control register 3 (MSTCR3)
6.1.1 Power-Down Control Registers 1, 2, and 3 (LPCR1, LPCR2, LPCR3)
LPCR1, LPCR2, and LPCR3 control power-down modes. For details, see section 5, Clock Pulse
Generator.
6.1.2 Module Standby Control Register 1 (MSTCR1)
b7
MSTWDT
1
b6
⎯
0
b5
MSTAD1
1
b4
MSTAD2
1
b3
MSTDA
1
b2
MSTDTC
1
b1
⎯
0
b0
⎯
0
H'FFFFDC
Bit:
Address:
Value after reset:
Bit Symbol Bit Name Description R/W
7 MSTWDT Watchdog timer
module standby
0: Operating state
1: Standby state
R/W
6 ⎯ Reserved This bit is read as 0. The write value should be 0. ⎯
5 MSTAD1 A/D converter
unit 1 module
standby
0: Operating state
1: Standby state
R/W
4 MSTAD2 A/D converter
unit 2 module
standby*
0: Operating state
1: Standby state
R/W
3 MSTDA D/A converter
module standby
0: Operating state
1: Standby state
R/W