參數(shù)資料
型號(hào)： MPC5200CVR400B
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 400 MHz, MICROPROCESSOR, PBGA272
封裝： 27 X 27 MM, 1.27 MM PITCH, ROHS COMPLIANT, PLASTIC, BGA-272
文件頁(yè)數(shù)： 14/78頁(yè)
文件大?。?/td> 1100K
代理商： MPC5200CVR400B
Electrical and Thermal Characteristics
MPC5200B Data Sheet, Rev. 1
Freescale Semiconductor
21
Figure 6. Timing Diagram—Standard SDRAM Memory Write Timing
3.3.5.3
Memory Interface Timing-DDR SDRAM Read Command
The SDRAM Memory Controller uses a 1/4 period delayed MDQS strobe to capture the MDQ data. The
1/4 period delay value is calculated automatically by hardware.
Table 19. Standard SDRAM Write Timing
Sym
Description
Min
Max
Units
SpecID
tmem_clk
MEM_CLK period
7.5
—
ns
A5.8
tvalid
Control Signals, Address and MBA Valid
after rising edge of MEM_CLK
—tmem_clk*0.5+0.4
ns
A5.9
thold
Control Signals, Address and MBA Hold after
rising edge of MEM_CLK
tmem_clk*0.5
—
ns
A5.10
DMvalid
DQM valid after rising edge of MEM_CLK
—
tmem_clk*0.25+0.4
ns
A5.11
DMhold
DQM hold after rising edge of Mem_clk
tmem_clk*0.25-0.7
—
ns
A5.12
datavalid
MDQ valid after rising edge of MEM_CLK
—
tmem_clk*0.75+0.4
ns
A5.13
datahold
MDQ hold after rising edge of MEM_CLK
tmem_clk*0.75-0.7
—
ns
A5.14
MEM_CLK
Control Signals
MDQ (Data)
MA (Address)
NOTE: Control Signals are composed of RAS, CAS, MEM_WE, MEM_CS, MEM_CS1 and CLK_EN
Active
NOP
WRITE
NOP
thold
Row
Column
MBA (Bank Selects)
datahold
datavalid
tvalid
thold
tvalid
thold
tvalid
DQM (Data Mask)
DMvalid
DMhold
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MPC5200CVR400B 制造商:Freescale Semiconductor 功能描述:IC, 32BIT PROCESSOR
MPC5200CVR400BR2 制造商:Freescale Semiconductor 功能描述:MPU MPC52XX RISC 32BIT 400MHZ 2.5V/3.3V 272BGA - Tape and Reel
MPC5200CVR466B 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:SDRAM/DDR Memory Controller
MPC5200ID 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:MPC5200 Hardware Specifications
MPC5200VR400 功能描述:微處理器 - MPU NO-PB COMM 5200 400MHZ 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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