h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 1054

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 23B Power-Down Modes [HD64F2636UF, HD6432636UF, HD64F2638UF,
HD6432638UF, HD64F2638WF, HD6432638WF, HD64F2639UF, HD6432639UF, HD64F2639WF,
HD6432639WF, HD64F2630UF, HD6432630UF, HD64F2630WF, HD6432630WF]
Table 23B-6 Oscillation Stabilization Time Settings
2. Setting for H8S/2635, H8S/2634
Table 23B-7 Oscillation Stabilization Time Settings
Rev. 6.00 Feb 22, 2005 page 994 of 1484
REJ09B0103-0600
STS2
0
1
STS2
0
1
Set bits STS2 to STS0 so that the standby time is at least 12 ms (the oscillation stabilization
time).
Table 23B-7 shows the standby times for different operating frequencies and settings of bits
STS2 to STS0.
: Recommended time setting
: Recommended time setting
STS1
0
1
0
1
STS1
0
1
0
1
STS0
0
1
0
1
0
1
0
1
STS0
0
1
0
1
0
1
0
1
Standby Time
8192 states
16384 states
32768 states
65536 states
131072 states
262144 states
Reserved
16 states
(Setting prohibited)
Standby Time
8192 states
16384 states
32768 states
65536 states
131072 states
262144 states
Reserved
16 states
(Setting prohibited)
20
MHz
0.41
0.82
1.6
3.3
6.6
—
0.8
20 MHz 16 MHz 10 MHz 8 MHz
0.41
0.82
1.6
3.3
6.6
—
0.8
13.1 16.4
13.1
16
MHz
0.51
1.0
2.0
4.1
—
1.0
8.2
0.51
1.0
2.0
4.1
8.2
—
1.0
16.4
12
MHz
0.68
1.3
2.7
5.5
21.8
—
1.3
10.9
0.8
1.6
3.3
6.6
26.2
—
1.6
13.1
10
MHz
0.8
1.6
3.3
6.6
26.2
—
1.6
13.1 16.4
1.0
2.0
4.1
8.2
32.8
—
2.0
8
MHz
1.0
2.0
4.1
32.8
—
2.0
8.2
16.4
6
MHz
1.3
2.7
5.5
21.8
43.6
—
2.6
10.9
5 MHz
1.6
3.2
6.5
26.2
52.4
—
3.2
13.1
5
MHz
1.6
3.2
6.5
26.2
52.4
—
3.2
13.1 16.4
4 MHz
2.0
4.1
8.2
32.8
65.6
—
4.0
16.4
4
MHz
2.0
4.1
32.8
65.6
—
4.0
8.2
Unit
ms
µs
Unit
ms
µs