參數(shù)資料
型號(hào): MCIMX27
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Multimedia Applications Processor(多媒體應(yīng)用處理器)
中文描述: 多媒體應(yīng)用處理器(多媒體應(yīng)用處理器)
文件頁數(shù): 97/118頁
文件大?。?/td> 1159K
代理商: MCIMX27
Signal Descriptions
i.MX27 Data Sheet, Advance Information, Rev. 0.1
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
97
3.5.20.2
DAT_SE0 Unidirectional Mode
Figure 61. USB Transmit Waveform in DAT_SE0 Unidirectional Mode
TX Duty Cycle
USB_DAT_VP
Out
49.0
51.0
%
Enable Delay
USB_DAT_VP
USB_SE0_VM
In
8.0
ns
USB_TXOE_B
Disable Delay
USB_DAT_VP
USB_SE0_VM
In
10.0
ns
USB_TXOE_B
RX Rise/Fall Time
USB_DAT_VP
In
3.0
ns
35 pF
RX Rise/Fall Time
USB_SE0_VM
In
3.0
ns
35 pF
Table 52. 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.
Table 51. OTG Port Timing Specification in DAT_SE0 Bidirectional Mode (continued)
Parameter
Signal Name
Direction
Min
Max
Unit
Conditions/
Reference Signal
USB_DAT_VP
USB_SE0_VM
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