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參數(shù)資料
| 型號： | MCF5470 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | MCF547x Integrated Microprocessor Electrical Characteristics |
| 中文描述： | MCF547x集成的微處理器，電氣特性 |
| 文件頁數(shù)： | 18/28頁 |
| 文件大?。?/td> | 706K |
| 代理商： | MCF5470 |
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MCF547x Integrated Microprocessor Electrical Characteristics, Rev. 2
Fast Ethernet AC Timing Specifications
Freescale Semiconductor
18
Figure 13. PCI Timing
11
Fast Ethernet AC Timing Specifications
11.1 MII/7-WIRE Interface Timing Specs
The following timing specs are defined at the chip I/O pin and must be translated appropriately to arrive
at timing specs/constraints for the EMAC_10_100 I/O signals.
The following timing specs meet the requirements for both MII and 7-Wire style interfaces for a range of
transceiver devices. If this interface is to be used with a specific transceiver device the timing specs may
be altered to match that specific transceiver.
P6
PCI signals (0 - 66 Mhz) - Output Hold (t
DH
)
0
—
ns
4
P7
PCI signals (0 - 66 Mhz) - Input Hold (t
IH
)
PCI REQ/GNT (33
<
PCI
≤
66Mhz) - Output valid (t
DV
)
PCI REQ/GNT (0
<
PCI
≤
33Mhz) - Output valid (t
DV
)
PCI REQ/GNT (33
<
PCI
≤
66Mhz) - Input Setup (t
IS
)
PCI REQ (0
<
PCI
≤
33Mhz) - Input Setup (t
IS
)
PCI GNT (0
<
PCI
≤
33Mhz) - Input Setup (t
IS
)
0
—
ns
5
P8
—
6
ns
6
P9
—
12
ns
P10
—
5
ns
P11
12
—
ns
P12
10
—
ns
NOTES:
1
Please see Section 2.2.6, “Reset Configuration Pins,” for more information on setting the PCI clock rate. Also
specific guidelines may need to be followed when operating the system PLL below certain frequencies.
2
Max cycle rate is determined by CLKIN and how the user has the system PLL configured.
3
All signals defined as PCI bused signals. Does not include PTP (point-to-point) signals.
4
PCI 2.2 spec does not require an output hold time. Although the MCF547X may provide a slight amount of hold, it
is not required or guaranteed.
5
PCI 2.2 spec requires zero input hold.
6
These signals are defined at PTP (Point-to-point) in the PCI 2.2 spec.
Table 14. PCI Timing Specifications (continued)
Num
Characteristic
Min
Max
Unit
Notes
CLKIN
Input
Setup/Hold
P1
P4
P6
P2
P7
Output Valid
Input Valid
Output
Valid/Hold
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCF5470EC | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF547x ColdFire Microprocessor |
| MCF5470VR200 | 功能描述:微處理器 - MPU MCF547X V4ECORE MMU FPU 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 |
| MCF5470VR200 | 制造商:Freescale Semiconductor 功能描述:IC 32BIT MPU 200MHZ BGA-388 制造商:Freescale Semiconductor 功能描述:IC, 32BIT MPU, 200MHZ, BGA-388 |
| MCF5470ZP200 | 功能描述:微處理器 - MPU MCF547X V4ECORE MMU FPU 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 |
| MCF5471 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MCF547x Integrated Microprocessor Electrical Characteristics |
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