Freescale Semiconductor Demonstration Board for Freescale MC9S12XHY256 Microcontroller DEMO9S12XHY256 DEMO9S12XHY256 用户手册
产品代码
DEMO9S12XHY256
256 KByte Flash Module (S12XFTMR256K1V1)
MC9S12XHY-Family Reference Manual, Rev. 1.04
578
Freescale Semiconductor
Table 18-6. FDIV vs OSCCLK Frequency
OSCCLK Frequency
(MHz)
FDIV[6:0]
OSCCLK Frequency
(MHz)
FDIV[6:0]
MIN
1
1
FDIV shown generates an FCLK frequency of >0.8 MHz
MAX
2
2
FDIV shown generates an FCLK frequency of 1.05 MHz
MIN
1.60
2.10
0x01
33.60
34.65
0x20
2.40
3.15
0x02
34.65
35.70
0x21
3.20
4.20
0x03
35.70
36.75
0x22
4.20
5.25
0x04
36.75
37.80
0x23
5.25
6.30
0x05
37.80
38.85
0x24
6.30
7.35
0x06
38.85
39.90
0x25
7.35
8.40
0x07
39.90
40.95
0x26
8.40
9.45
0x08
40.95
42.00
0x27
9.45
10.50
0x09
42.00
43.05
0x28
10.50
11.55
0x0A
43.05
44.10
0x29
11.55
12.60
0x0B
44.10
45.15
0x2A
12.60
13.65
0x0C
45.15
46.20
0x2B
13.65
14.70
0x0D
46.20
47.25
0x2C
14.70
15.75
0x0E
47.25
48.30
0x2D
15.75
16.80
0x0F
48.30
49.35
0x2E
16.80
17.85
0x10
49.35
50.40
0x2F
17.85
18.90
0x11
18.90
19.95
0x12
19.95
21.00
0x13
21.00
22.05
0x14
22.05
23.10
0x15
23.10
24.15
0x16
24.15
25.20
0x17
25.20
26.25
0x18
26.25
27.30
0x19
27.30
28.35
0x1A
28.35
29.40
0x1B
29.40
30.45
0x1C
30.45
31.50
0x1D
31.50
32.55
0x1E
32.55
33.60
0x1F