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参数资料
| 型号： | MPC8266ACVRLHDX |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 250 MHz, RISC PROCESSOR, PBGA516 |
| 封装： | PLASTIC, BGA-516 |
| 文件页数： | 22/52页 |
| 文件大小： | 884K |
| 代理商： | MPC8266ACVRLHDX |
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MPC8260A PowerQUICC II Integrated Communications Processor Hardware Specifications, Rev. 1.1
Freescale Semiconductor
29
Clock Configuration Modes
3.2.2
PCI Agent Mode
The frequencies listed in Table 18 and Table 19 are for the purpose of illustration only. Users must select
a mode and input bus frequency so that the resulting configuration does not exceed the frequency rating
of the user’s device.
1001_001
66 MHz
3.5
233 MHz
3
200 MHz
4/8
58/29 MHz
1001_010
66 MHz
3.5
233 MHz
3.5
233 MHz
4/8
58/29 MHz
1001_011
66 MHz
3.5
233 MHz
4
266 MHz
4/8
58/29 MHz
1001_100
66 MHz
3.5
233 MHz
4.5
300 MHz
4/8
58/29 MHz
1010_000
100 MHz
2
200 MHz
2
200 MHz
3/6
66/33 MHz
1010_001
100 MHz
2
200 MHz
2.5
250 MHz
3/6
66/33 MHz
1010_010
100 MHz
2
200 MHz
3
300 MHz
3/6
66/33 MHz
1010_011
100 MHz
2
200 MHz
3.5
350 MHz
3/6
66/33 MHz
1010_100
100 MHz
2
200 MHz
4
400 MHz
3/6
66/33 MHz
1011_000
100 MHz
2.5
250 MHz
2
200 MHz
4/8
62/31 MHz
1011_001
100 MHz
2.5
250 MHz
2.5
250 MHz
4/8
62/31MHz
1011_010
100 MHz
2.5
250 MHz
3
300 MHz
4/8
62/31 MHz
1011_011
100 MHz
2.5
250 MHz
3.5
350 MHz
4/8
62/31 MHz
1011_100
100 MHz
2.5
250 MHz
4
400 MHz
4/8
62/31 MHz
Notes:
1. Input clock frequency is given only for the purpose of reference. User should set MODCK_H–MODCK_L so that
the resulting configuration does not exceed the frequency rating of the user’s part.
2. The frequency depends on the value of PCI_MODCK. If PCI_MODCK is high (logic ‘1’), the PCI frequency is divided
by 2 (33 instead of 66 MHz, etc.). Refer to Table 15.
3. In this mode, PCI_MODCK must be “0”.
Table 18. Clock Default Configurations in PCI Agent Mode (MODCK_HI = 0000)
MODCK[1–3]
(1)
Input Clock
Frequency
(PCI)2
CPM
Multiplication
Factor(2)
CPM
Frequency
Core
Multiplication
Factor
Core
Frequency
(3)
Bus Division
Factor
60x Bus
Frequency
(4)
000
66/33 MHz
2/4
133 MHz
2.5
166 MHz
2
66 MHz
001
66/33 MHz
2/4
133 MHz
3
200 MHz
2
66 MHz
010
66/33 MHz
3/6
200 MHz
3
200 MHz
3
66 MHz
011
66/33 MHz
3/6
200 MHz
4
266 MHz
3
66 MHz
Table 17. Clock Configuration Modes in PCI Host Mode (continued)
MODCK_H –
MODCK[1–3]
Input Clock
Frequency(1)
(Bus)
CPM
Multiplication
Factor
CPM
Frequency
Core
Multiplication
Factor
Core
Frequency
PCI Division
Factor(2)
PCI
Frequency2
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