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STW4811MBRA/LF 数据表(PDF) 49 Page - STMicroelectronics |
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STW4811MBRA/LF 数据表(HTML) 49 Page - STMicroelectronics |
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49 / 85 page ![]() STw4811M/STw4811N Functional description CD00131784 49/85 If oe_int_en = 1 and suspend=1 ( USB control register 1 - Table 11), the USBOEn ball becomes an output used to generate an IT to multimedia processor. Data reception The transceiver receives USB data in the following conditions: uart_en = 0 ( USB control register 1); oe_int_en = 1 and USBOEn at high level. Table 33. Data transmission via USB control register 1 (DAT_SE0 mode) - Suspend = 1 USB mode (dat_se0) Inputs Outputs Comments USBVP USBVM DP DN USBRCV 1 (DAT_SE0 mode) 0 0 0 1 Not used Single ended data (zero sent) 1 (DAT_SE0 mode) 1 0 1 0 Not used Single ended data (1 sent) 1 (DAT_SE0 mode) x 1 0 0 Not used Force single ended zero 0 (VP_VM mode) 0 0 0 0 0 (off) Driver are suspended 0 (VP_VM mode) 1 0 1 0 0 (off) 0 (VP_VM mode) 0 1 0 1 0 (off) 0 (VP_VM mode) 1 1 1 1 0 (off) Table 34. Data receiver via USB control register 1 USB mode (dat_se0) Suspend Inputs Outputs DP DN USBVP USBVM USBRCV 1 (DAT_SE0 mode) 0 0 0 Diff rcv 1 1 Not used 1 (DAT_SE0 mode) 010 10 Not used 1 (DAT_SE0 mode) 001 00 Not used 1 (DAT_SE0 mode) 0 1 1 Diff rcv 1 0 Not used 1 (DAT_SE0 mode) 100 01 Not used 1 (DAT_SE0 mode) 110 10 Not used 1 (DAT_SE0 mode) 101 00 Not used 1 (DAT_SE0 mode) 111 10 Not used 0 (VP_VM mode) 0 0 0 0 0 diff rcv 1 0 (VP_VM mode) 010 101 0 (VP_VM mode) 001 010 0 (VP_VM mode) 0 1 1 1 1 diff rcv 1 0 (VP_VM mode) 1 0 0 0 0 Not used 0 (VP_VM mode) 1 1 0 1 0 Not used 0 (VP_VM mode) 1 0 1 0 1 Not used 0 (VP_VM mode) 1 1 1 1 1 Not used |
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