參數(shù)資料
型號: MCIMX27LMOP4A
廠商: Freescale Semiconductor
文件頁數(shù): 5/152頁
文件大小: 0K
描述: IC MPU I.MX27 IN 19X19 473MAPBGA
標(biāo)準(zhǔn)包裝: 84
系列: i.MX27
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,LCD,POR,PWM,WDT
程序存儲器類型: ROMless
RAM 容量: 45K x 8
電壓 - 電源 (Vcc/Vdd): 1.38 V ~ 1.52 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 473-LFBGA
包裝: 托盤
i.MX27 and i.MX27L Data Sheet, Rev. 1.8
102
Freescale Semiconductor
Electrical Characteristics
4.3.14
Serial Interface
In order to support four serial different interfaces, the USBOTG transceiver can be configured to operate
in one of the following modes:
DAT_SE0 bidirectional, 3-wire mode
DAT_SE0 unidirectional, 6-wire mode
VP_VM bidirectional, 4-wire mode
VP_VM unidirectional, 6-wire mode
4.3.14.1
DAT_SE0 Bidirectional Mode
Figure 64. USB Transmit Waveform in DAT_SE0 Bidirectional Mode
Figure 65. USB Receive Waveform in DAT_SE0 Bidirectional Mode
Table 51. 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
USB_TXOE_B
USB_DAT_VP
USB_SE0_VM
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