参数资料
型号: MCIMX514AJM6C
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PBGA529
封装: 19 X 19 MM, 0.8 MM PITCH, ROHS COMPLIANT, BGA-529
文件页数: 48/172页
文件大小: 2218K
代理商: MCIMX514AJM6C
Electrical Characteristics
i.MX51A Automotive and Infotainment Applications Processors, Rev. 4
Freescale Semiconductor
141
4.7.17.1.2
USB DAT_SE0 Unidirectional Mode
Table 115 shows the signal definitions in DAT_SE0 unidirectional mode
Figure 100 and Figure 101 shows the USB transmit/receive waveform in DAT_SE0 uni-directional mode
respectively.
Figure 101. USB Transmit Waveform in DAT_SE0 Uni-directional Mode
Table 114. Definitions of USB Receive Waveform in DAT_SE0 Bi-Directional Mode
ID
Parameter
Signal Name
Direction
Min
Max
Unit
Conditions/
Reference Signal
US1
TX Rise/Fall Time
USB_DAT_VP
Out
5.0
ns
50 pF
US2
TX Rise/Fall Time
USB_SE0_VM
Out
5.0
ns
50 pF
US3
TX Rise/Fall Time
USB_TXOE_B
Out
5.0
ns
50 pF
US4
TX Duty Cycle
USB_DAT_VP
Out
49.0
51.0
%
US7
RX Rise/Fall Time
USB_DAT_VP
In
3.0
ns
35 pF
US8
RX Rise/Fall Time
USB_SE0_VM
In
3.0
ns
35 pF
Table 115. Signal Definitions—DAT_SE0 Unidirectional Mode
Name
Direction
Signal Description
USB_TXOE_B
Out
Transmit enable, active low
USB_DAT_VP
Out
TX data when USB_TXOE_B is low
USB_SE0_VM
Out
SE0 drive when USB_TXOE_B is low
USB_VP1
In
Buffered data on DP when USB_TXOE_B is high
USB_VM1
In
Buffered data on DM when USB_TXOE_B is high
USB_RCV
In
Differential RX data when USB_TXOE_B is high
USB_DAT_VP
USB_SE0_VM
US9
US10
Transmit
US12
USB_TXOE_B
US11
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