參數(shù)資料
型號(hào)： MPC8541CVTALDX
廠商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 32-BIT, 1600 MHz, RISC PROCESSOR, CBGA360
封裝： 25 X 25 MM, 2.40 MM HEIGHT, 1.27 MM PITCH, ROHS COMPLIANT, HCTE, CERAMIC, BGA-360
文件頁(yè)數(shù)： 16/84頁(yè)
文件大小： 1241K
代理商： MPC8541CVTALDX
MPC8541E PowerQUICC III Integrated Communications Processor Hardware Specifications, Rev. 4
Freescale Semiconductor
23
Ethernet: Three-Speed, MII Management
8.2.2.1
GMII Receive AC Timing Specifications
Table 21 provides the GMII receive AC timing specifications.
Figure 7 provides the AC test load for TSEC.
Figure 7. TSEC AC Test Load
Figure 8 shows the GMII receive AC timing diagram.
Figure 8. GMII Receive AC Timing Diagram
Table 21. GMII Receive AC Timing Specifications
At recommended operating conditions with LVDD of 3.3 V ± 5%.
Parameter/Condition
Symbol 1
Min
Typ
Max
Unit
RX_CLK clock period
tGRX
—8.0
—
ns
RX_CLK duty cycle
tGRXH/tGRX
40
—
60
%
RXD[7:0], RX_DV, RX_ER setup time to RX_CLK
tGRDVKH
2.0
—
ns
RXD[7:0], RX_DV, RX_ER hold time to RX_CLK
tGRDXKH
0.5
—
ns
RX_CLK clock rise and fall time
tGRXR, tGRXF
2,3
——
1.0
ns
Note:
1. The symbols used for timing specifications herein follow the pattern of t(first two letters of functional block)(signal)(state)
(reference)(state) for inputs and t(first two letters of functional block)(reference)(state)(signal)(state) for outputs. For example, tGRDVKH
symbolizes GMII receive timing (GR) with respect to the time data input signals (D) reaching the valid state (V) relative to
the tRX clock reference (K) going to the high state (H) or setup time. Also, tGRDXKL symbolizes GMII receive timing (GR)
with respect to the time data input signals (D) went invalid (X) relative to the tGRX clock reference (K) going to the low (L)
state or hold time. Note that, in general, the clock reference symbol representation is based on three letters representing
the clock of a particular functional. For example, the subscript of tGRX represents the GMII (G) receive (RX) clock. For rise
and fall times, the latter convention is used with the appropriate letter: R (rise) or F (fall).
2. Signal timings are measured at 0.7 V and 1.9 V voltage levels.
3. Guaranteed by design.
Output
Z0 = 50 Ω
LVDD/2
RL = 50 Ω
RX_CLK
RXD[7:0]
tGRDXKH
tGRX
tGRXH
tGRXR
tGRXF
tGRDVKH
RX_DV
RX_ER
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參數(shù)描述
MPC8541E PXAJD 制造商:FREESCALE-SEMI 功能描述:
MPC8541ECPXAJD 功能描述:微處理器 - MPU PQ 37 LITE 8555E RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線(xiàn)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(lèi)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
MPC8541ECPXALF 功能描述:微處理器 - MPU PQ 37 LITE 8555E RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線(xiàn)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(lèi)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
MPC8541ECVTAJD 功能描述:微處理器 - MPU PQ 37 LITE 8555E RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線(xiàn)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(lèi)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
MPC8541ECVTAJD 制造商:Freescale Semiconductor 功能描述:Microprocessor
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