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STUSB1600 数据表(PDF) 57 Page - STMicroelectronics |
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STUSB1600 数据表(HTML) 57 Page - STMicroelectronics |
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57 / 69 page ![]() DocID028937 Rev 1 57/69 STUSB1600 Application 69 Device state according to connection state Table 47. Dual power role with accessory support Connection state CC1 pin CC2 pin Type-C device state CC_OPERATION _STATUS register @11h A_B_SIDE pin VCONN supply VBUS_EN_SRC pin VBUS_EN_SNK pin CC_CONNECTION _STATUS register @0Eh Nothing attached Open Open (Toggling) Unattached.SRC Unattached.SNK HiZ OFF HiZ HiZ 00h Sink attached Rd Open Attached.SRC HiZ OFF 0 HiZ 2Dh Open Rd 0 OFF 0 HiZ 2Dh Powered cable without sink or source attached Open Ra (Toggling) Unattached.SRC Unattached.SNK HiZ OFF HiZ HiZ 00h Ra Open HiZ OFF HiZ HiZ 00h Powered cable with sink attached or VCONN- powered accessory attached Rd Ra Attached.SRC HiZ CC2 0 HiZ 2Fh Ra Rd 0 CC1 0 HiZ 2Fh Debug accessory mode attached sink role Rd Rd UnorientedDebug Accessory.SRC HiZ OFF 0 HiZ 6Dh Debug accessory mode attached sink role Rd ≤ Ra OrientedDebug Accessory.SRC HiZ OFF 0 HiZ 6Dh ≤ Ra Rd 0 OFF 0 HiZ 6Dh Audio adapter accessory mode attached Ra Ra Audio accessory HiZ OFF HiZ HiZ 81h Source attached Rp Open or Ra Attached.SNK HiZ OFF HiZ 0 41h Open or Ra Rp 0 OFF HiZ 0 41h Debug accessory mode attached source role Rp def/ 1.5A/ 3A Rp def/ 1.5A/ 3A Debug Accessory.SNK (Default USB) HiZ OFF HiZ 0 61h |
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