參數(shù)資料
型號(hào): MCIMX258CJM4A
廠商: Freescale Semiconductor
文件頁數(shù): 22/153頁
文件大?。?/td> 0K
描述: IC MPU IMX25 IND 400MAPBGA
標(biāo)準(zhǔn)包裝: 90
系列: i.MX25
核心處理器: ARM9
芯體尺寸: 32-位
速度: 400MHz
連通性: 1 線,CAN,EBI/EMI,以太網(wǎng),I²C,MMC,智能卡,SPI,SSI,UART/USART,USB OTG
外圍設(shè)備: DMA,I²S,LCD,POR,PWM,WDT
輸入/輸出數(shù): 128
程序存儲(chǔ)器類型: 外部程序存儲(chǔ)器
RAM 容量: 144K x 8
電壓 - 電源 (Vcc/Vdd): 1.15 V ~ 1.52 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 3x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 400-LFBGA
包裝: 托盤
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 10
118
Freescale Semiconductor
Figure 90 shows the USB receive waveform in DAT_SE0 bidirectional mode diagram.
Figure 90. USB Receive Waveform in DAT_SE0 Bidirectional Mode
Table 91 shows the OTG port timing specification in DAT_SE0 bidirectional mode.
3.7.20.1.2
DAT_SE0 Unidirectional Mode Timing
Table 92 defines the DAT_SE0 unidirectional mode signals.
Table 91. OTG Port Timing Specification in DAT_SE0 Bidirectional Mode
No.
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
%
US5
Enable Delay
USB_DAT_VP
USB_SE0_VM
In
8.0
ns
USB_TXOE_B
US6
Disable Delay
USB_DAT_VP
USB_SE0_VM
In
10.0
ns
USB_TXOE_B
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 92. 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
US6
US7/US8
US5
USB_DAT_VP
USB_SE0_VM
USB_TXOE_B
Receive
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