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參數(shù)資料
| 型號： | MC8640THX1250HC |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 1250 MHz, MICROPROCESSOR, CBGA1023 |
| 封裝： | 33 X 33 MM, CERAMIC, FCBGA-1023 |
| 文件頁數(shù)： | 62/130頁 |
| 文件大?。?/td> | 1495K |
| 代理商： | MC8640THX1250HC |
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MPC8640 and MPC8640D Integrated Host Processor Hardware Specifications, Rev. 3
Freescale Semiconductor
37
Ethernet: Enhanced Three-Speed Ethernet (eTSEC), MII Management
A timing diagram for TBI receive appears in Figure 18.
Figure 18. TBI Single-Clock Mode Receive AC Timing Diagram
8.2.6
RGMII and RTBI AC Timing Specifications
Table 35 presents the RGMII and RTBI AC timing specifications.
Table 35. RGMII and RTBI AC Timing Specifications
At recommended operating conditions with L/TVDD of 2.5 V ± 5%.
Parameter
Symbol 1
Min
Typ
Max
Unit
Data to clock output skew (at transmitter)
tSKRGT
5
–500
0
500
ps
Data to clock input skew (at receiver) 2
tSKRGT
1.0
—
2.8
ns
Clock period duration 3
tRGT
5,6
7.2
8.0
8.8
ns
Duty cycle for 10BASE-T and 100BASE-TX 3, 4
tRGTH/tRGT
5
40
50
60
%
Rise time (20%–80%)
tRGTR
5
—
0.75
ns
Fall time (80%–20%)
tRGTF
5
—
0.75
ns
Notes:
1. Note that, in general, the clock reference symbol representation for this section is based on the symbols RGT to represent
RGMII and RTBI timing. For example, the subscript of tRGT represents the TBI (T) receive (RX) clock. Note also that the
notation for rise (R) and fall (F) times follows the clock symbol that is being represented. For symbols representing skews,
the subscript is skew (SK) followed by the clock that is being skewed (RGT).
2. This implies that PC board design will require clocks to be routed such that an additional trace delay of greater than 1.5 ns
will be added to the associated clock signal.
3. For 10 and 100 Mbps, tRGT scales to 400 ns ± 40 ns and 40 ns ± 4 ns, respectively.
4. Duty cycle may be stretched/shrunk during speed changes or while transitioning to a received packet's clock domains as
long as the minimum duty cycle is not violated and stretching occurs for no more than three tRGT of the lowest speed
transitioned between.
5. Guaranteed by characterization
6. ±100 ppm tolerance on RX_CLK frequency.
tTRR
tTRRH
tTRRF
tTRRR
RX_CLK
RCG[9:0]
valid data
tTRRDXKH
tTRRDVKH
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相關(guān)代理商/技術(shù)參數(shù) |
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| MC8640THX1250HE | 功能描述:微處理器 - MPU G8 REV 3.0 1.05V -40/105C 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 |
| MC8640THX1250N | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications Addendum for the MC8640xTxxyyyyaC Series |
| MC8640TVU1000H | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications Addendum for the MC8640xTxxyyyyaC Series |
| MC8640TVU1000HC | 功能描述:MPU DUAL E600 994-FCCBGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:MPC86xx 標(biāo)準(zhǔn)包裝:1 系列:MPC85xx 處理器類型:32-位 MPC85xx PowerQUICC III 特點(diǎn):- 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 |
| MC8640TVU1000N | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications Addendum for the MC8640xTxxyyyyaC Series |
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