参数资料
型号: MPC8270ZUSLDX
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 375 MHz, RISC PROCESSOR, PBGA480
封装: 37.50 X 37.50 MM, 1.55 MM HEIGHT, 1.27 MM PITCH, TBGA-480
文件页数: 20/80页
文件大小: 536K
代理商: MPC8270ZUSLDX
MPC8280 PowerQUICC II Family Hardware Specifications, Rev. 1.8
Freescale Semiconductor
27
Clock Configuration Modes
7.2 PCI Host Mode
Table 17 and Table 18 show clock configurations for PCI host mode. The frequencies 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. In addition, note the following:
NOTE: PCI_MODCK
In PCI mode only, PCI_MODCK comes from the LGPL5 pin and
MODCK_H[0–3] comes from {LGPL0, LGPL1, LGPL2, LGPL3}.
NOTE: Tval (Output Hold)
The minimum Tval = 2 ns when PCI_MODCK = 1, and the minimum Tval = 1 ns
when PCI_MODCK = 0. Therefore, designers should use clock configurations that
fit this condition to achieve PCI-compliant AC timing.
Table 17. Clock Configurations for PCI Host Mode (PCI_MODCK=0) 1, 2
Mode 3
Bus Clock 4
(MHz)
CPM
Multiplication
Factor 5
CPM Clock
(MHz)
CPU
Multiplication
Factor 6
CPU Clock
(MHz)
PCI
Division
Factor
PCI 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
60.0
80.0
2.5
150.0 200.0
3
180.0 240.0
3
50.0
66.7
0000_011
60.0
80.0
2.5
150.0 200.0
3.5
210.0 280.0
3
50.0
66.7
0000_100
60.0
80.0
2.5
150.0 200.0
4
240.0 320.0
3
50.0
66.7
0000_101
50.0
66.7
3
150.0 200.0
3
150.0 200.0
3
50.0
66.7
0000_110
50.0
66.7
3.5
150.0 200.0
3.5
175.0 233.3
3
50.0
66.7
0000_111
50.0
66.7
3
150.0 200.0
4
200.0 266.6
3
50.0
66.7
Full Configuration Modes
0001_000
50.0
66.7
3
150.0 200.0
5
250.0 333.3
3
50.0
66.7
0001_001
50.0
66.7
3
150.0 200.0
6
300.0 400.0
3
50.0
66.7
0001_010
50.0
66.7
3
150.0 200.0
7
350.0 466.6
3
50.0
66.7
0001_011
50.0
66.7
3
150.0 200.0
8
400.0 533.3
3
50.0
66.7
0010_000
50.0
66.7
4
200.0 266.6
5
250.0 333.3
4
50.0
66.7
0010_001
50.0
66.7
4
200.0 266.6
6
300.0 400.0
4
50.0
66.7
0010_010
50.0
66.7
4
200.0 266.6
7
350.0 466.6
4
50.0
66.7
0010_011
50.0
66.7
4
200.0 266.6
8
400.0 533.3
4
50.0
66.7
相关PDF资料
PDF描述
MC9S12DG128EMFU 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80
M30280F6WG-U5 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PBGA85
MC6805S3CS 8-BIT, MROM, MICROCONTROLLER, CDIP28
MC908QT4ACDWE 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO8
MC908QY4ACPE 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP16
相关代理商/技术参数
参数描述
MPC8270ZUT 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PowerQUICC II⑩ Family Hardware Specifications
MPC8270ZUUPEA 功能描述:微处理器 - MPU PQ II HIP 7 REV A RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324
MPC8271 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:MPC8272 PowerQUICC II Family Hardware Specifications
MPC8271CVR 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:MPC8272 PowerQUICC II Family Hardware Specifications
MPC8271CVRB 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PowerQUICC II⑩ Family Hardware Specifications