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FUSB302MPX. 数据表(PDF) 20 Page - ON Semiconductor |
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FUSB302MPX. 数据表(HTML) 20 Page - ON Semiconductor |
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20 / 35 page ![]() © 2015 Semiconductor Components Industries, LLC. www.fairchildsemi.com FUSB302 • Rev. 2 20 www.onsemi.com Table 5. Device ID Address: 01h Reset Value: 0x1000_00XX Type: Read Bit # Name R/W/C Size (Bits) Description 7:4 Version ID R 4 Device version ID by Trim or etc. A_[Revision ID]: 1000 (e.g. A_revA) B_[Revision ID]: 1001 C_[Revision ID]: 1010 etc 3:0 Revision ID R 4 Revision History of each version [Version ID]_revA: 0000 (e.g. A_revA) [Version ID]_revB: 0001 [Version ID]_revC: 0010 etc Table 6. Switches0 Address: 02h Reset Value: 0x0000_0011 Type: Read/Write Bit # Name R/W/C Size (Bits) Description 7 PU_EN2 R/W 1 1: Apply host pull up current to CC2 pin. 6 PU_EN1 R/W 1 1: Apply host pull up current to CC1 pin. 5 VCONN_CC2 R/W 1 1: Turn on the VCONN current to CC2 pin. 4 VCONN_CC1 R/W 1 1: Turn on the VCONN current to CC1 pin. 3 MEAS_CC2 R/W 1 1: Use the measure block to monitor or measure the voltage on CC2. 2 MEAS_CC1 R/W 1 1: Use the measure block to monitor or measure the voltage on CC1. 1 PDWN2 R/W 1 1: Device pull down on CC2. 0: no pull down. 0 PDWN1 R/W 1 1: Device pull down on CC1. 0: no pull down. Table 7. Switches1 Address: 03h Reset Value: 0x0010_0000 Type: Read/Write Bit # Name R/W/C Size (Bits) Description 7 POWERROLE R/W 1 Bit used for constructing the GoodCRC acknowledge packet. This bit corresponds to the Port Power Role bit in the message header if an SOP packet is received 1: Source if SOP 0: Sink if SOP 6:5 SPECREV1: SPECREV0 R/W 2 Bit used for constructing the GoodCRC acknowledge packet. These bits correspond to the Specification Revision bits in the message header 00: Revision 1.0 01: Revision 2.0 10, 11: Do Not Use 4 DATAROLE R/W 1 Bit used for constructing the GoodCRC acknowledge packet. This bit corresponds to the Port Data Role bit in the message header. For SOP: 1: SRC 0: SNK 3 Reserved N/A 1 Do Not Use 2 AUTO_CRC R/W 1 1: Starts the transmitter automatically when a message with a good CRC is received and automatically sends a GoodCRC acknowledge packet back to the relevant SOP* 0: Feature disabled. 1 TXCC2 R/W 1 1: Enable BMC transmit driver on CC2 pin. 0 TXCC1 R/W 1 1: Enable BMC transmit driver on CC1 pin. |
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