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參數(shù)資料
| 型號： | MPC5125YVN200 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 200 MHz, MICROCONTROLLER, PBGA324 |
| 封裝： | 23 X 23 MM, 2.25 MM HEIGHT, 1 MM PITCH, ROHS COMPLIANT, PLASTIC, MS-034AJJ-1, TEPBGA-324 |
| 文件頁數(shù)： | 49/92頁 |
| 文件大?。?/td> | 640K |
| 代理商： | MPC5125YVN200 |
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Electrical and Thermal Characteristics
MPC5125 Microcontroller Data Sheet, Rev. 3
Freescale Semiconductor
53
4.3.5.4
SDR SDRAM AC Timing Specifications
NOTE
To achieve better timing, balance the loading of DQS as MCK although DQS is not used in
SDR mode.
Figure 9 shows the DDR SDRAM write timing.
Figure 9. DDR Write Timing
NOTES:
1 Measured with clock pin loaded with differential 100
Ω termination resistor.
2 Measured with all outputs except the clock loaded with 50
Ω termination resistor to V
DD_IO_MEM/2.
3 All transitions measured at mid-supply (V
DD_IO_MEM/2).
4 In this window, the first rising edge of DQS should occur. From the start of the window to DQS rising edge, DQS should be low.
5 The window position is given for t
DQSEN = 2.5 tCK (RDLY = 2, HALF DQS DLY = 1, QUART DQS DLY = 0) with CL = 3 DDR2
SDRAM device. For other values of tDQSEN, the window position is shifted accordingly.
Table 24. SDR SDRAM Timing Specifications
At recommended operating conditions with VDD_IO_MEM of ±5%
Parameter
Symbol
Min
Max
Unit Notes SpecID
Clock cycle time, CL = x
tCK
7500
—
ps
A5.1
CK HIGH pulse width
tCH
0.43
0.57
tCK
1,3
NOTES:
1 Measured with clock pin loaded with 50
Ω termination resistor to mid-supply.
A5.3
CK LOW pulse width
tCL
0.43
0.57
tCK
A5.4
Address, control, and data output setup time relative
to MCK rising edge
tOS(base)
tCK/2 – 1000
—
ps
2,3
2 Measured with all outputs except the clock loaded with 50
Ω termination resistor to V
DD_IO_MEM/2.
3 All transitions measured at mid-supply (V
DD_IO_MEM/2).
A5.6
Address, control, and data output hold time relative to
MCK rising edge
tOH(base)
tCK/2 – 1000
—
ps
A5.7
Input data set-up time, relative to MCK
tIS
1000
—
ps
A5.15
Input data hold time, relative to MCK
tIH
1000
—
ps
A5.16
MCK
tCH
tCL
DQS
tDQSS
DQ, DM(out)
tDS
tDH
tCK
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MPC5125YVN400 | 功能描述:微處理器 - MPU POWERPC EMBEDDED SOC SOC 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 |
| MPC5125YVN400 | 制造商:Freescale Semiconductor 功能描述:ICMICROPROCESSOR32-BITCMOSPBGA324PI |
| MPC5125YVN400R | 制造商:Freescale Semiconductor 功能描述:POWERPC EMBEDDED SOC - Tape and Reel |
| MPC5200 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Hardware Specifications |
| MPC5200B | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:SDRAM/DDR Memory Controller |
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