參數(shù)資料
型號: MCIMX258CVM4
廠商: Freescale Semiconductor
文件頁數(shù): 23/153頁
文件大?。?/td> 0K
描述: IC MPU I.MX25 IND 400MAPBGA
標準包裝: 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
程序存儲器類型: 外部程序存儲器
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
Freescale Semiconductor
119
Figure 91 shows the USB transmit waveform in DAT_SE0 unidirectional mode diagram.
Figure 91. USB Transmit Waveform in DAT_SE0 Unidirectional Mode
Figure 92 shows the USB receive waveform in DAT_SE0 unidirectional mode diagram.
Figure 92. USB Receive Waveform in DAT_SE0 Unidirectional Mode
Table 93 shows the USB port timing specification in DAT_SE0 unidirectional mode.
Table 93. USB Port Timing Specification in DAT_SE0 Unidirectional Mode
No.
Parameter
Signal Name
Signal
Source
Min.
Max.
Unit
Condition/
Reference Signal
US9
Tx rise/fall time
USB_DAT_VP
Out
5.0
ns
50 pF
US10
Tx rise/fall time
USB_SE0_VM
Out
5.0
ns
50 pF
US11
Tx rise/fall time
USB_TXOE_B
Out
5.0
ns
50 pF
US12
Tx duty cycle
USB_DAT_VP
Out
49.0
51.0
%
US13
Enable Delay
USB_DAT_VP
USB_SE0_VM
In
8.0
ns
USB_TXOE_B
US14
Disable Delay
USB_DAT_VP
USB_SE0_VM
In
10.0
ns
USB_TXOE_B
US15
Rx rise/fall time
USB_VP1
In
3.0
ns
35 pF
US16
Rx rise/fall time
USB_VM1
In
3.0
ns
35 pF
US17
Rx rise/fall time
USB_RCV
In
3.0
ns
35 pF
USB_DAT_VP
USB_SE0_VM
US9
US10
Transmit
US12
US14
US17
US13
RCV
USB_DAT_VP
USB_SE0_VM
Receive
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