H838602R Datasheet, PDF (113/552 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Super Low Power Series

Section 5 Power-Down Modes
5.1.3 Clock Halt Registers 1 and 2 (CKSTPR1 and CKSTPR2)
CKSTPR1 and CKSTPR2 allow the on-chip peripheral modules to enter the standby state in
module units.
• CKSTPR1
Bit Bit Name
Initial
Value R/W Description
7

0

Reserved
This bit is always read as 0 and cannot be modified.
6
S3CKSTP
0
R/W SCI3 Module Standby*¹
SCI3 enters standby mode when this bit is cleared to 0.
5

0

Reserved
This bit is always read as 0 and cannot be modified.
4
ADCKSTP 0
R/W A/D Converter Module Standby
A/D converter enters standby mode when this bit is
cleared to 0.
3

0

Reserved
This bit is always read as 0 and cannot be modified.
2
TB1CKSTP 0
R/W Timer B1 Module Standby
Timer B1 enters standby mode when this bit is cleared
to 0.
1
FROMCKSTP*² 1
R/W Flash Memory Module Standby
Flash memory enters standby mode when this bit is
cleared to 0.
0
RTCCKSTP 1
R/W RTC Module Standby
RTC enters standby mode when this bit is cleared to 0.
Rev. 3.00 May 15, 2007 Page 81 of 516
REJ09B0152-0300