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STULPI01A 数据表(PDF) 38 Page - STMicroelectronics |
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STULPI01A 数据表(HTML) 38 Page - STMicroelectronics |
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38 / 44 page ![]() ULPI registers STULPI01A - STULPI01B 38/44 Table 25. Debug register Address: 15h (Read-only) (Indicates the current value of various signals useful for debugging) Field name Bits Access Reset Description LineState0 0 rd 0b Contains the current value of LineState(0) LineState1 1 rd 0b Contains the current value of LineState(1) Reserved 7:2 rd 0b Reserved Table 26. Scratch register Address: 16h-18h (Read), 16h (Write), 17h (Set), 18h (Clear). Field name Bits Access Reset Description Scratch 7:0 rd/wr/s/c 00b Empty register byte for testing purposes. The software can read, write, set, and clear this register and the STULPI01 functionality will not be affected. Table 27. Carkit control register Address: 19h-1Bh (Read), 19h (Write), 1Ah (Set), 1Bh (Clear). Field name Bits Access Reset Description reserved 0 rd/wr/s/c 0b reserved 1 rd/wr/s/c 0b TxdEn 2 rd/wr/s/c 0b Enables TXD signal in car kit mode RxdEn 3 rd/wr/s/c 0b Enables RXD signal in car kit mode reserved 4 rd/wr/s/c 0b reserved 5 rd/wr/s/c 0b reserved 6 rd/wr/s/c 0b reserved 7 rd/wr/s/c 0b |
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