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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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UPD360 датащи(PDF) 132 Page - Microchip Technology |
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UPD360 датащи(HTML) 132 Page - Microchip Technology |
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132 / 221 page  UPD360 DS00002084C-page 132 2016-2017 Microchip Technology Inc. 11.4.1.3 TX Parameters Register C (TX_PARAM_C) Address: 1A02h Size: 8 bits Bits Description Type Default 7 PORT_DATA_ROLE This field is used as the Port Data Role field for hardware generated packet header for packets that use SOP signaling. 0: UFP 1: DFP Note: SOP' and SOP'' always send a 0 bit for the Port Data Role. R/W 0b 6:4 N_RETRY_CNT Number of retries allowed. Set this to zero to disable automatic hardware retry (i.e., when software will take care of retries). If N_RETRY_CNT is set to zero, but hardware is expected to wait for Good- CRC, the EXPECT_GOODCRC bit should be set in the TX Parameters Reg- ister A (TX_PARAM_A), otherwise TX will be considered complete as soon as packet transmission is complete. Note: Hard and Cable Resets are not automatically retried since there is no feedback to indicate a failure. R/W 000b 3 CABLE_PLUG This field is used as the Cable Plug field for hardware generated packet header for packets that use SOP' and SOP'' signaling. 0: DFP or UFP 1: Cable Plug R/W 0b 2 PORT_POWER_ROLE This field is used as the Port Power Role field for hardware generated packet header for packets that use SOP signaling. 0: Sink 1: Source R/W 0b 1:0 RESERVED RO - |
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