h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 826

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 27 Power-Down Modes
Table 27.1 Operating Frequency and Wait Time
Note:
27.1.2
LPWRCR controls power-down modes.
Rev. 3.00 Jan 25, 2006 page 774 of 872
REJ09B0286-0300
STS2
0
0
0
0
1
1
1
1
Bit
7
Recommended specification
Bit Name Initial Value R/W
DTON
* This setting cannot be made in the flash-memory version of this LSI.
STS1
0
0
1
1
0
0
1
1
Low-Power Control Register (LPWRCR)
STS0
0
1
0
1
0
1
0
1
0
Wait Time
8192 states
16384 states
32768 states
65536 states
131072 states
262144 states
Reserved
16 states *
R/W
Description
Direct Transfer On Flag
Specifies the operating mode to be entered after executing
the SLEEP instruction.
When the SLEEP instruction is executed in high-speed
mode or medium-speed mode:
0: Shifts to sleep mode, software standby mode, or watch
1: Shifts directly to subactive mode, or shifts to sleep mode
When the SLEEP instruction is executed in subactive
mode:
0: Shifts to subsleep mode or watch mode
1: Shifts directly to high-speed mode, or shifts to subsleep
mode
or software standby mode
mode
0.3
0.7
1.3
2.7
24M Hz 20 MHz 10 MHz 8 MHz
5.5
10.9
0.7
0.4
0.8
2.0
4.1
8.2
16.4
0.8
0.8
1.6
3.3
6.6
13.1
26.2
1.6
1.0
2.0
4.1
8.2
16.4
32.8
2.0
6 MHz
1.3
2.7
5.5
10.9
21.8
43.6
2.7
Unit
ms
s