Renesas H8S/2111B 用户手册
Rev. 1.00, 05/04, page 465 of 544
Table 20.1 Operating Frequency and Wait Time
STS2 STS1 STS0 Wait Time
10 MHz
8 MHz
6 MHz
4 MHz
Unit
0 0 0 8192
states
0.8 1.0 1.3 20.
0 0 1 16384
states
1.6 2.0 2.7 4.1
0 1 0 32768
states 3.3 4.1 5.5 8.2
0 1 1 65536
states
6.6 8.2
10.9
16.4
1 0 0 131072
states 13.1
16.4 21.8 32.8
1 0 1 262144
states 26.2 32.8 43.6 65.6
1 1 0 Reserved
1 1 1 Reserved
ms
Shaded cells indicate the recommended specification.
20.1.2
Low-Power Control Register (LPWRCR)
LPWRCR controls power-down modes.
Bit Bit
Name
Initial
Value R/W Description
Value R/W Description
7
DTON
0
R/W
Direct Transfer On Flag
Specifies the operating mode to be entered after
executing the SLEEP instruction.
executing the SLEEP instruction.
When the SLEEP instruction is executed in high-speed
mode or medium-speed mode:
mode or medium-speed mode:
0: Shifts to sleep mode, software standby mode, or
watch mode
1: Shifts directly to subactive mode, or shifts to sleep
mode or software standby mode
When the SLEEP instruction is executed in subactive
mode:
mode:
0: Shifts to subsleep mode or watch mode
1: Shifts directly to high-speed mode, or shifts to
subsleep mode