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FUSB302MPX. 数据表(PDF) 22 Page - ON Semiconductor |
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FUSB302MPX. 数据表(HTML) 22 Page - ON Semiconductor |
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22 / 35 page ![]() © 2015 Semiconductor Components Industries, LLC. www.fairchildsemi.com FUSB302 • Rev. 2 22 www.onsemi.com Table 10. Control0 Address: 06h Reset Value: 0x0010_0100 Type: (see column below) Bit # Name R/W/C Size (Bits) Description 7 Reserved N/A 1 Do Not Use 6 TX_FLUSH W/C 1 1: Self clearing bit to flush the content of the transmit FIFO. 5 INT_MASK R/W 1 1: Mask all interrupts. 0: Interrupts to host are enabled. 4 Reserved N/A 1 Do Not Use 3:2 HOST_CUR[1:0] R/W 2 1: Controls the host pull up current enabled by PU_EN[2:1]: 00: No current 01: 80 µA – Default USB power. 10: 180 µA – Medium Current Mode: 1.5 A 11: 330 µA – High Current Mode: 3 A 1 AUTO_PRE R/W 1 1: Starts the transmitter automatically when a message with a good CRC is received. This allows the software to take as much as 300 µS to respond after the I_CRC_CHK interrupt is received. Before starting the transmitter, an internal timer waits for approximately 170 µS before executing the transmit start and preamble. 0: Feature disabled. 0 TX_START W/C 1 1: Start transmitter using the data in the transmit FIFO. Preamble is started first. During the preamble period the transmit data can start to be written to the transmit FIFO. Self clearing. Table 11. Control1 Address: 07h Reset Value: 0x0000_0000 Type: (see column below) Bit # Name R/W/C Size (Bits) Description 7 Reserved N/A 1 Do Not Use 6 ENSOP2DB R/W 1 1: Enable SOP”_DEBUG (SOP double prime debug) packets 0: Ignore SOP ”_DEBUG (SOP double prime debug) packets 5 ENSOP1DB R/W 1 1: Enable SOP‘_DEBUG (SOP prime debug) packets 0: Ignore SOP ‘_DEBUG (SOP prime debug) packets 4 BIST_MODE2 R/W 1 1: Sent BIST Mode 01s pattern for testing 3 Reserved N/A 1 Do Not Use 2 RX_FLUSH W/C 1 1: Self clearing bit to flush the content of the receive FIFO. 1 ENSOP2 R/W 1 1: Enable SOP”(SOP double prime) packets 0: Ignore SOP ”(SOP double prime) packets 0 ENSOP1 R/W 1 1: Enable SOP‘(SOP prime) packets 0: Ignore SOP ‘(SOP prime) packets |
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