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| 型號： | MPC8555VTAQEX |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 1000 MHz, RISC PROCESSOR, PBGA783 |
| 封裝： | 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, LEAD FREE, FLIP CHIP, PLASTIC, BGA-783 |
| 文件頁數(shù)： | 62/88頁 |
| 文件大小： | 1244K |
| 代理商： | MPC8555VTAQEX |
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MPC8555E PowerQUICC III Integrated Communications Processor Hardware Specifications, Rev. 4
Freescale Semiconductor
65
Clocking
15 Clocking
This section describes the PLL configuration of the MPC8555E. Note that the platform clock is identical
to the CCB clock.
15.1
Clock Ranges
Table 44 provides the clocking specifications for the processor core and Table 45 provides the clocking
specifications for the memory bus.
Table 44. Processor Core Clocking Specifications
Characteristic
Maximum Processor Core Frequency
Unit Notes
533 MHz
600 MHz
667 MHz
833 MHz
1000 MHz
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
e500 core
processor
frequency
400
533
400
600
400
667
400
833
400
1000
MHz 1, 2, 3
Notes:
1. Caution: The CCB to SYSCLK ratio and e500 core to CCB ratio settings must be chosen such that the resulting SYSCLK
frequency, e500 (core) frequency, and CCB frequency do not exceed their respective maximum or minimum operating
frequencies. Refer to Section 15.2, “Platform/System PLL Ratio,” and Section 15.3, “e500 Core PLL Ratio,” for ratio settings.
2.)The minimum e500 core frequency is based on the minimum platform frequency of 200 MHz.
3. 1000 MHz frequency supports only a 1.3 V core.
Table 45. Memory Bus Clocking Specifications
Characteristic
Maximum Processor Core
Frequency
Unit
Notes
533, 600, 667, 883, 1000 MHz
Min
Max
Memory bus frequency
100
166
MHz
1, 2, 3
Notes:
1. Caution: The CCB to SYSCLK ratio and e500 core to CCB ratio settings must be chosen such that
the resulting SYSCLK frequency, e500 (core) frequency, and CCB frequency do not exceed their
respective maximum or minimum operating frequencies. Refer to Section 15.2, “Platform/System PLL
Ratio,” and Section 15.3, “e500 Core PLL Ratio,” for ratio settings.
2. The memory bus speed is half of the DDR data rate, hence, half of the platform clock frequency.
3. 1000 MHz frequency supports only a 1.3 V core.
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| MPC8555VTAQF | 功能描述:IC MPU POWERQUICC III 783-FCPBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:MPC85xx 標(biāo)準(zhǔn)包裝:1 系列:MPC85xx 處理器類型:32-位 MPC85xx PowerQUICC III 特點(diǎn):- 速度:1.2GHz 電壓:1.1V 安裝類型:表面貼裝 封裝/外殼:783-BBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:783-FCPBGA（29x29） 包裝:托盤 |
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| MPC855TCVR66D4 | 功能描述:微處理器 - MPU POWER QUICC-NO LEAD RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MPC855TCZP50D4 | 制造商:Freescale Semiconductor 功能描述: |
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