参数资料
型号: MCIMX258CVM4
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 400 MHz, MICROPROCESSOR, PBGA400
封装: 17 X 17 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MAPBGA-400
文件页数: 22/154页
文件大小: 1498K
代理商: MCIMX258CVM4
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 8
118
Freescale Semiconductor
3.7.20.1.1
DAT_SE0 Bidirectional Mode Timing
Table 90 defines the DAT_SE0 bidirectional mode signals.
Figure 89 shows the USB transmit waveform in DAT_SE0 bidirectional mode diagram.
Figure 89. USB Transmit Waveform in DAT_SE0 Bidirectional Mode
Figure 90 shows the USB receive waveform in DAT_SE0 bidirectional mode diagram.
Figure 90. USB Receive Waveform in DAT_SE0 Bidirectional Mode
Table 90. Signal Definitions—DAT_SE0 Bidirectional Mode
Name
Direction
Signal Description
USB_TXOE_B
Out
Transmit enable, active low
USB_DAT_VP
Out
In
Tx data when USB_TXOE_B is low
Differential Rx data when USB_TXOE_B is high
USB_SE0_VM
Out
In
SE0 drive when USB_TXOE_B is low
SE0 Rx indicator when USB_TXOE_B is high
USB_DAT_VP
USB_SE0_VM
US1
US2
Transmit
US4
US6
US7/US8
US5
USB_DAT_VP
USB_SE0_VM
USB_TXOE_B
Receive
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