參數(shù)資料
型號(hào)： MPC8379EVRAGD
廠商： Freescale Semiconductor
文件頁數(shù)： 75/127頁
文件大?。?/td> 0K
描述： MPU PWRQUICC II 400MHZ 689TEPBGA
產(chǎn)品培訓(xùn)模塊： MPC837x PowerQUICC II Pro Processors
視頻文件： Introduction to the MPC837x Family
標(biāo)準(zhǔn)包裝： 27
系列： MPC83xx
處理器類型： 32-位 MPC83xx PowerQUICC II Pro
速度： 400MHz
電壓： 1V
安裝類型： 表面貼裝
封裝/外殼： 689-BBGA 裸露焊盤
供應(yīng)商設(shè)備封裝： 689-TEPBGA II（31x31）
包裝： 托盤
配用： MPC8377E-RDBA-ND - BOARD REF DES MPC8377 REV 2.1
MPC8377E-MDS-PB-ND - BOARD MODULAR DEV SYSTEM
MPC8377E PowerQUICC II Pro Processor Hardware Specifications, Rev. 8
Freescale Semiconductor
51
This means that data delay should be equal or less than the clock delay in the ideal case where
tSHSCLKL =10 ns:
tDATA_DELAY – tCLK_DELAY < 10 – 6 – 4
tDATA_DELAY – tCLK_DELAY < 0
11.3.1.2
High-Speed Write Meeting Hold (Minimum Delay)
The following equations show how to calculate the allowed skew range between the SD_CLK and
SD_DAT/CMD signals on the PCB.
tCLK_DELAY < tSHSCKL + tSHSKHOX + tDATA_DELAY – tIH
Eqn. 13
tCLK_DELAY – tDATA_DELAY < tSHSCKL + tSHSKHOX – tIH
Eqn. 14
This means that clock can be delayed versus data up to 8 ns (external delay line) in ideal case of
tSHSCLKL =10 ns:
tCLK_DELAY – tDATA_DELAY < 10 + 0 – 2
tCLK_DELAY – tDATA_DELAY < 8
11.3.2
High-Speed Input Path (Read)
This figure provides the data and command input timing diagram.
Figure 31. High-Speed Input Path
For the input path, the device eSDHC expects to sample the data 1.5 internal clock cycles after it was
driven by the SD card. Since in this mode the SD card drives the data at the rising edge of the clock, a
sufficient delay to the clock and the data must exist to ensure it will not be sampled at the wrong internal
tCLK_DELAY
Output from the
SD CLK at
the Card Pin
SD Card Pins
tSHSIVKH
Driving
Edge
Sampling
Edge
tOH
tDATA_DELAY
tODLY
tSHSCK (Clock Cycle)
1/2 Cycle
tSHSIXKH
Right Edge
Wrong Edge
(MPC8377E Input Hold)
(MPC8377E Input Setup)
Input at the
MPC8377E Pins
SD CLK at the
MPC8377E Pin
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MPC8379EVRAGDA 功能描述:微處理器 - MPU 8379 PBGA ST PbFr W/ENC 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(chǔ)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
MPC8379EVRAGFA 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications
MPC8379EVRAGGA 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications
MPC8379EVRAJDA 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications
MPC8379EVRAJF 功能描述:微處理器 - MPU PBGA W/ ENCR 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(chǔ)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
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