参数资料
型号: MPC8250AZUPIBC
厂商: Freescale Semiconductor
文件页数: 16/62页
文件大小: 0K
描述: IC MPU POWERQUICC II 480-TBGA
标准包装: 21
系列: MPC82xx
处理器类型: 32-位 MPC82xx PowerQUICC II
速度: 300MHz
电压: 2V
安装类型: 表面贴装
封装/外壳: 480-LBGA
供应商设备封装: 408-TBGA(37.5x37.5)
包装: 托盘
MPC8250 Hardware Specifications, Rev. 2
Freescale Semiconductor
23
Clock Configuration Modes
3.2
PCI Mode
The PCI mode is selected according to three input pins, as shown in Table 12. 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 when PCI_MODCK = 1, and the minimum Tval = 1
when PCI_MODCK = 0. Therefore, designers should use clock
configurations that fit this condition to achieve PCI-compliant AC timing.
NOTE
Clock configurations change only after POR is asserted.
0111_001
66 MHz
3
200 MHz
2
133 MHz
0111_010
66 MHz
3
200 MHz
2.5
166 MHz
0111_011
66 MHz
3
200 MHz
3
200 MHz
0111_100
66 MHz
3
200 MHz
3.5
233 MHz
0111_101
66 MHz
3
200 MHz
4
266 MHz
0111_110
66 MHz
3
200 MHz
4.5
300 MHz
0111_111
66 MHz
3.5
233 MHz
2
133 MHz
1000_000
66 MHz
3.5
233 MHz
2.5
166 MHz
1000_001
66 MHz
3.5
233 MHz
3
200 MHz
1000_010
66 MHz
3.5
233 MHz
3.5
233 MHz
1000_011
66 MHz
3.5
233 MHz
4
266 MHz
1000_100
66 MHz
3.5
233 MHz
4.5
300 MHz
1
Because of speed dependencies, not all of the possible configurations in Table 14 are applicable.
2
The user should choose the input clock frequency and the multiplication factors such that the frequency of the CPU
is equal to or greater than 133 MHz (150 MHz for extended temperature parts) and the CPM ranges between 66–233
MHz.
3
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.
Table 14. Clock Configuration Modes 1 (continued)
MODCK_H–MODCK[1–3]
Input Clock
Frequency2,3
CPM Multiplication
Factor2
CPM
Frequency2
Core Multiplication
Factor2
Core
Frequency2
相关PDF资料
PDF描述
IDT71V67603S150BG8 IC SRAM 9MBIT 150MHZ 119BGA
MPC8250AVVPIBC IC MPU POWERQUICC II 480-TBGA
IDT71V67603S133BGG8 IC SRAM 9MBIT 133MHZ 119BGA
MPC8270CZUUPEA IC MPU POWERQUICC II 480-TBGA
IDT71V67603S133BG8 IC SRAM 9MBIT 133MHZ 119BGA
相关代理商/技术参数
参数描述
MPC8250VR 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Hardware Specifications
MPC8255 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:MPC826xA (HiP4) Family Hardware Specifications
MPC8255ACVVMHBB 功能描述:微处理器 - MPU PQ II HIP4 REV B 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
MPC8255ACVVMIBB 功能描述:微处理器 - MPU PQ II HIP4 REV B 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
MPC8255ACZUMHBB 功能描述:微处理器 - MPU POWERQUICC II HIP4 REV B 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