參數(shù)資料
型號： MPC8548ECVUAQJ
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 1000 MHz, MICROPROCESSOR, CBGA783
封裝： 29 X 29 MM, 1 MM PITCH, FLIP CHIP, LEAD FREE, CERAMIC, BGA-783
文件頁數(shù)： 69/142頁
文件大?。?/td> 1504K
代理商： MPC8548ECVUAQJ
MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
32
Freescale Semiconductor
Enhanced Three-Speed Ethernet (eTSEC)
Figure 11 shows the MII transmit AC timing diagram.
Figure 11. MII Transmit AC Timing Diagram
8.2.3.2
MII Receive AC Timing Specifications
Table 29 provides the MII receive AC timing specifications.
Figure 12 provides the AC test load for eTSEC.
Figure 12. eTSEC AC Test Load
Table 29. MII Receive AC Timing Specifications
Parameter/Condition
Symbol1
Min
Typ
Max
Unit
RX_CLK clock period 10 Mbps
tMRX
2
—400
—
ns
RX_CLK clock period 100 Mbps
tMRX
—40
—
ns
RX_CLK duty cycle
tMRXH/tMRX
35
—
65
%
RXD[3:0], RX_DV, RX_ER setup time to RX_CLK
tMRDVKH
10.0
—
ns
RXD[3:0], RX_DV, RX_ER hold time to RX_CLK
tMRDXKH
10.0
—
ns
RX_CLK clock rise (20%–80%)
tMRXR
2
1.0
—
4.0
ns
RX_CLK clock fall time (80%–20%)
tMRXF
2
1.0
—
4.0
ns
Notes:
1. The symbols used for timing specifications 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, tMRDVKH symbolizes MII receive
timing (MR) with respect to the time data input signals (D) reach the valid state (V) relative to the tMRX clock reference (K)
going to the high (H) state or setup time. Also, tMRDXKL symbolizes MII receive timing (GR) with respect to the time data input
signals (D) went invalid (X) relative to the tMRX 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 tMRX represents the MII (M) receive (RX) clock. For rise and fall times, the latter convention is used
with the appropriate letter: R (rise) or F (fall).
2. Guaranteed by design.
TX_CLK
TXD[3:0]
tMTKHDX
tMTX
tMTXH
tMTXR
tMTXF
TX_EN
TX_ER
Output
Z0 = 50 Ω
LVDD/2
RL = 50 Ω
相關PDF資料
PDF描述
MPC8548EHXAQHB 32-BIT, 1000 MHz, MICROPROCESSOR, CBGA783
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相關代理商/技術參數(shù)
參數(shù)描述
MPC8548ECVUAUJ 功能描述:微處理器 - MPU PQ38 8548E 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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC8548EHXAQG 功能描述:微處理器 - MPU PQ38 8548E 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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC8548EHXATG 功能描述:微處理器 - MPU PQ38 8548E 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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC8548EHXAUJ 功能描述:微處理器 - MPU PQ38 8548E 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 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC8548EHXAVH 制造商:Freescale Semiconductor 功能描述:MPU RISC 32BIT CMOS 1.5GHZ 1.8V/2.5V/3.3V - Bulk
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