参数资料
型号: MPC8271VRTMFA
厂商: Freescale Semiconductor
文件页数: 30/61页
文件大小: 0K
描述: IC MPU POWERQUICC II 516-PBGA
标准包装: 40
系列: MPC82xx
处理器类型: 32-位 MPC82xx PowerQUICC II
速度: 400MHz
电压: 1.8V
安装类型: 表面贴装
封装/外壳: 516-BBGA
供应商设备封装: 516-FPBGA(27x27)
包装: 托盘
MPC8272 PowerQUICC II Family Hardware Specifications, Rev. 3
36
Freescale Semiconductor
Clock Configuration Modes
7.2
PCI Agent Mode
These tables show configurations for PCI agent mode. The frequency values listed 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. Note that in PCI agent mode the input clock is PCI
clock.
6 CPM_CLK/PCI_CLK ratio. When PCI_MODCK = 1, the ratio of CPM_CLK/PCI_CLK should be calculated from
PCIDF as follows:
PCIDF = 3 > CPM_CLK/PCI_CLK = 4
PCIDF = 5 > CPM_CLK/PCI_CLK = 6
PCIDF = 7 > CPM_CLK/PCI_CLK = 8
PCIDF = 9 > CPM_CLK/PCI_CLK = 5
PCIDF = B > CPM_CLK/PCI_CLK = 6
Table 19. Clock Configurations for PCI Agent Mode (PCI_MODCK=0)1,2
Mode3
PCI Clock
(MHz)
CPM
Multiplication
Factor4
CPM Clock
(MHz)
CPU
Multiplication
Factor5
CPU Clock
(MHz)
Bus
Division
Factor
Bus Clock
(MHz)
MODCK_H-
MODCK[1-3]
Low
High
Low
High
Low
High
Low
High
Default Modes (MODCK_H=0000)
0000_000
60.0
66.7
2
120.0 133.3
2.5
150.0 166.7
2
60.0
66.7
0000_001
50.0
66.7
2
100.0 133.3
3
150.0 200.0
2
50.0
66.7
0000_010
50.0
66.7
3
150.0 200.0
3
150.0 200.0
3
50.0
66.7
0000_011
50.0
66.7
3
150.0 200.0
4
200.0 266.6
3
50.0
66.7
0000_100
50.0
66.7
3
150.0 200.0
3
180.0 240.0
2.5
60.0
80.0
0000_101
50.0
66.7
3
150.0 200.0
3.5
210.0 280.0
2.5
60.0
80.0
0000_110
50.0
66.7
4
200.0 266.6
3.5
233.3 311.1
3
66.7
88.9
0000_111
50.0
66.7
4
200.0 266.6
3
240.0 320.0
2.5
80.0
106.7
Full Configuration Modes
0001_001
60.0
66.7
2
120.0 133.3
5
150.0 166.7
4
30.0
33.3
0001_010
50.0
66.7
2
100.0 133.3
6
150.0 200.0
4
25.0
33.3
0001_011
50.0
66.7
2
100.0 133.3
7
175.0 233.3
4
25.0
33.3
0001_100
50.0
66.7
2
100.0 133.3
8
200.0 266.6
4
25.0
33.3
0010_001
50.0
66.7
3
150.0 200.0
3
180.0 240.0
2.5
60.0
80.0
0010_010
50.0
66.7
3
150.0 200.0
3.5
210.0 280.0
2.5
60.0
80.0
0010_011
50.0
66.7
3
150.0 200.0
4
240.0 320.0
2.5
60.0
80.0
0010_100
50.0
66.7
3
150.0 200.0
4.5
270.0 360.0
2.5
60.0
80.0
相关PDF资料
PDF描述
MPC8271CVRPIEA IC MPU POWERQUICC II 516-PBGA
MPC8264AVVMHBB IC MPU POWERQUICC II 480-TBGA
MPC8264ACVVMIBB IC MPU POWERQUICC II 480-TBGA
IDT7052S20PF IC SRAM 16KBIT 20NS 120TQFP
MPC8255ACVVMIBB IC MPU POWERQUICC II 480-TBGA
相关代理商/技术参数
参数描述
MPC8271ZQ 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:MPC8272 PowerQUICC II Family Hardware Specifications
MPC8271ZQB 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PowerQUICC II⑩ Family Hardware Specifications
MPC8271ZQE 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PowerQUICC II⑩ Family Hardware Specifications
MPC8271ZQI 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PowerQUICC II⑩ Family Hardware Specifications
MPC8271ZQM 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PowerQUICC II⑩ Family Hardware Specifications