Oscillation Stabilization Wait Time Setting Register (Watr) - Fujitsu F2MC-8FX Hardware Manual

CHAPTER 6 CLOCK CONTROLLER
6.5

Oscillation Stabilization Wait Time Setting Register (WATR)

This register is used to set the oscillation stabilization wait time.
Configuration of Oscillation Stabilization Wait Time Setting Register (WATR)
Figure 6.5-1 Configuration of Oscillation Stabilization Wait Time Setting Register (WATR)
Address
0005
H
R/W : Readable/writable (Read value is the same as write value)
: Initial value (For mask ROM products, you can specify the initial value when ordering mask ROM.)
56
Bit7 Bit6 Bit5
SWT3 SWT2 SWT1
R/W R/W R/W
MWT3 MWT2 MWT1 MWT0
1 1
1 1
1 1
1 1
1 0
1 0
1 0
1 0
0 1
0 1
0 1
0 1
0 0
0 0
0 0
0 0
SWT3 SWT2 SWT1 SWT0
1 1
1 1
1 1
1 1
1 0
1 0
1 0
1 0
0 1
0 1
0 1
0 1
0 0
0 0
0 0
0 0
Bit4 Bit3 Bit2
SWT0 MWT3 MWT2 MWT1 MWT0
R/W R/W R/W
Number of
Cycles
14
1 1 2 -2
1 0 2 13 -2
0 1
12
2 -2
11
0 0 2 -2
10
1 1 2 -2
1 0
9
2 -2
0 1
8
2 -2
0 0
7
2 -2
1 1 6
2 -2
1 0 5
2 -2
0 1 4
2 -2
0 0 3
2 -2
2
1 1 2 -2
1 0 1
2 -2
0 1 1
2 -2
0 0
2 1 -2
Number of
Sub Oscillation Clock F
Cycles
1 1 2 15 -2
1 0 14
2 -2
0 1
13
2 -2
0 0 12
2 -2
1 1 11
2 -2
1 0
10
2 -2
0 1 9
2 -2
0 0
2 8 -2
1 1
7
2 -2
1 0
6
2 -2
0 1
2 5 -2
0 0 4
2 -2
1 1
3
2 -2
1 0
2
2 -2
0 1 1
2 -2
0 0
1
2 -2
Initial value
Bit1 Bit0
11111111
R/W R/W
Main Oscillation Clock F = 4 MHz
CH
14
(2 -2)/F About 4.10 ms
CH
(2 13 -2)/F About 2.05 ms
CH
12
(2 -2)/F About 1.02 ms
CH
511.5 μs
11
(2 -2)/F
CH
255.5 μs
10
(2 -2)/F
CH
127.5 μs
9
(2 -2)/F
CH
63.5 μs
8
(2 -2)/F
CH
31.5 μs
7
(2 -2)/F
CH
15.5 μs
6
(2 -2)/F
CH
7.5 μs
5
(2 -2)/F
CH
3.5 μs
4
(2 -2)/F
CH
1.5 μs
3
(2 -2)/F
CH
0.5 μs
2
(2 -2)/F
CH
0.0 μs
1
(2 -2)/F
CH
0.0 μs
1
(2 -2)/F
CH
0.0 μs
(2 1 -2)/F
CH
= 32.768 kHz
CL
(2 15 -2)/F About 1.00 s
CL
14
(2 -2)/F About 0.5 s
CL
13
(2 -2)/F About 0.25 s
CL
12
(2 -2)/F About 0.125 s
CL
11
(2 -2)/F About 62.44 ms
CL
10
(2 -2)/F About 31.19 ms
CL
9
(2 -2)/F About 15.56 ms
CL
(2 8 -2)/F About 7.75 ms
CL
7
(2 -2)/F About 3.85 ms
CL
6
(2 -2)/F About 1.89 ms
CL
About 915.5 μs
(2 5 -2)/F
CL
About 427.2 μs
4
(2 -2)/F
CL
About 183.1 μs
3
(2 -2)/F
CL
About 61.0 μs
2
(2 -2)/F
CL
0.0 μs
1
(2 -2)/F
CL
0.0 μs
1
(2 -2)/F
CL
B