mc68hc912dg128 Freescale Semiconductor, Inc, mc68hc912dg128 Datasheet - Page 414

• Manufacturer Part Number: mc68hc912dg128
• Description: M68hc12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Appendix: CGM Practical Aspects
Technical Data
414
Reference
Table 20-2. Suggested 8MHz Synthesis PLL Filter Elements (Acquisition Mode)
[MHz]
0.614
0.614
0.614
0.614
2.66
2.66
2.66
2.66
0.8
0.8
0.8
0.8
1.6
1.6
1.6
1.6
1
1
1
1
2
2
2
2
4
4
4
4
SYNR
$0C
$0C
$0C
$0C
$09
$09
$09
$09
$07
$07
$07
$07
$05
$05
$05
$05
$03
$03
$03
$03
$02
$02
$02
$02
$01
$01
$01
$01
Freescale Semiconductor, Inc.
[MHz]
Fbus
For More Information On This Product,
7.98
7.98
7.98
7.98
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
8.00
Appendix: CGM Practical Aspects
Go to: www.freescale.com
C 0 [nF]
1000
2200
2200
3300
4700
2200
2200
100
100
100
220
220
330
100
3.3
4.7
4.7
47
10
22
33
10
47
10
47
10
22
2.
R 0 [k ]
0.43
0.27
0.22
0.15
0.82
0.51
0.12
0.43
0.27
0.51
4.3
7.5
1.2
2.4
5.6
1.0
2.2
4.7
1.5
2.7
0.1
1.0
2.4
1.0
0.1
1.0
2
2
C p [nF]
0.33
0.47
0.47
100
220
220
330
470
220
220
4.7
1.0
2.2
2.2
3.3
1.0
4.7
1.0
4.7
1.0
2.2
10
10
10
22
22
33
10
Bandwidth
MC68HC912DG128 — Rev 3.0
Loop
[kHz]
20.1
10.4
22.5
10.7
19.5
21.8
25.1
20.8
11.6
1.2
5.5
0.9
4.4
9.3
4.8
1.1
6.2
4.6
1.7
5.3
2.1
5.4
9.7
12
21
10
1
1
Bandwidth
Limit [kHz]
MOTOROLA
1005
1005
1005
1005
157
157
157
157
201
201
201
201
251
251
251
251
402
402
402
402
502
502
502
502
668
668
668
668