參數(shù)資料
型號: MPC8548ECVTATGB
廠商: Freescale Semiconductor
文件頁數(shù): 38/151頁
文件大小: 0K
描述: MPU POWERQUICC III 783-PBGA
產(chǎn)品培訓(xùn)模塊: MPC8548 PowerQUICC III Processors
標(biāo)準(zhǔn)包裝: 1
系列: MPC85xx
處理器類型: 32-位 MPC85xx PowerQUICC III
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
MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 9
132
Freescale Semiconductor
Clocking
20.2
CCB/SYSCLK PLL Ratio
The CCB clock is the clock that drives the e500 core complex bus (CCB), and is also called the platform
clock. The frequency of the CCB is set using the following reset signals, as shown in Table 81:
SYSCLK input signal
Binary value on LA[28:31] at power up
Note that there is no default for this PLL ratio; these signals must be pulled to the desired values. Also note
that the DDR data rate is the determining factor in selecting the CCB bus frequency, since the CCB
frequency must equal the DDR data rate.
For specifications on the PCI_CLK, see the PCI 2.2 Specification.
Table 80. Memory Bus Clocking Specifications (MPC8543E)
Characteristic
Maximum Processor Core Frequency
Unit
Notes
800, 1000 MHz
Min
Max
Memory bus clock speed
166
200
MHz
1, 2
Notes:
1. Caution: The CCB clock to SYSCLK ratio and e500 core to CCB clock ratio settings must be chosen such that the resulting
SYSCLK frequency, e500 (core) frequency, and CCB clock frequency do not exceed their respective maximum or minimum
settings.
2. The memory bus speed is half of the DDR/DDR2 data rate, hence, half of the platform clock frequency.
Table 81. CCB Clock Ratio
Binary Value of LA[28:31] Signals
CCB:SYSCLK Ratio
Binary Value of LA[28:31] Signals
CCB:SYSCLK Ratio
0000
16:1
1000
8:1
0001
Reserved
1001
9:1
0010
2:1
1010
10:1
0011
3:1
1011
Reserved
0100
4:1
1100
12:1
0101
5:1
1101
20:1
0110
6:1
1110
Reserved
0111
Reserved
1111
Reserved
相關(guān)PDF資料
PDF描述
MPC8548ECPXATGB MPU POWERQUICC III 783-PBGA
MPC8572EVTAULE MPU POWERQUICC III 1023FCPBGA
IDT7015L12PF IC SRAM 72KBIT 12NS 80TQFP
MPC8572EVTAULD MPU POWERQUICC III 1023-PBGA
IDT70V25L35J8 IC SRAM 128KBIT 35NS 84PLCC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MPC8548ECVTAUJA 制造商:Freescale Semiconductor 功能描述:MPC85XX RISC 32-BIT CMOS 1.333GHZ 1.8V/2.5V/3.3V 783-PIN BGA - Bulk
MPC8548ECVTAUJB 功能描述:微處理器 - MPU FG PQ38 8548 PB Free 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
MPC8548ECVTAUJC 功能描述:微處理器 - MPU REV2.1.3 FG Part 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
MPC8548ECVTAUJD 功能描述:微處理器 - MPU PQ38 XT WE 1333 R3.0 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
MPC8548ECVUAQG 功能描述:微處理器 - MPU PQ38 8548E PB-FREE 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