参数资料
型号: MPC8260ACVVMIBX
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 266 MHz, RISC PROCESSOR, PBGA480
封装: 37.50 X 37.50 MM, 1.55 MM HEIGHT, 1.27 MM PITCH, LEAD FREE, TBGA-480
文件页数: 14/50页
文件大小: 841K
代理商: MPC8260ACVVMIBX
MPC8260A PowerQUICC II Integrated Communications Processor Hardware Specifications, Rev. 2.0
Freescale Semiconductor
21
Electrical and Thermal Characteristics
Figure 11 shows signal behavior in MEMC mode.
Figure 11. MEMC Mode Diagram
NOTE
Generally, all MPC826xA bus and system output signals are driven from the
rising edge of the input clock (CLKin). Memory controller signals,
however, trigger on four points within a CLKin cycle. Each cycle is divided
by four internal ticks: T1, T2, T3, and T4. T1 always occurs at the rising
edge, and T3 at the falling edge, of CLKin. However, the spacing of T2 and
T4 depends on the PLL clock ratio selected, as shown in Table 11.
Figure 12 is a graphical representation of Table 11.
Figure 12. Internal Tick Spacing for Memory Controller Signals
Table 11. Tick Spacing for Memory Controller Signals
PLL Clock Ratio
Tick Spacing (T1 Occurs at the Rising Edge of CLKin)
T2
T3
T4
1:2, 1:3, 1:4, 1:5, 1:6
1/4 CLKin
1/2 CLKin
3/4 CLKin
1:2.5
3/10 CLKin
1/2 CLKin
8/10 CLKin
1:3.5
4/14 CLKin
1/2 CLKin
11/14 CLKin
CLKin
V_CLK
Memory controller signals
sp34/sp30
CLKin
T1
T2
T3
T4
CLKin
T1
T2
T3
T4
for 1:2.5
for 1:3.5
CLKin
T1
T2
T3
T4
for 1:2, 1:3, 1:4, 1:5, 1:6
相关PDF资料
PDF描述
MCF51JM128EVQH 32-BIT, FLASH, 50.33 MHz, RISC MICROCONTROLLER, PQFP64
MK3754DLFTR 54 MHz, OTHER CLOCK GENERATOR, PDSO8
MC9S12C96MFA 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP48
MC9S12C96MPB 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP52
MB88155PFTG-412-BNDE1 20 MHz, OTHER CLOCK GENERATOR, PDSO8
相关代理商/技术参数
参数描述
MPC8260ACZU 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:MPC826xA (HiP4) Family Hardware Specifications
MPC8260ACZUMHBB 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
MPC8260ACZUMIBB 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
MPC8260ADS-FLASH 功能描述:开发板和工具包 - 其他处理器 FLASH CHIP FOR 8260ADS RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压:
MPC8260ADS-TCOM 功能描述:子卡和OEM板 PQII ADS BRD RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit