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KSZ9567R 数据表(PDF) 119 Page - Microchip Technology |
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KSZ9567R 数据表(HTML) 119 Page - Microchip Technology |
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119 / 233 page  2022 Microchip Technology Inc. and its subsidiaries DS00002329E-page 119 KSZ9567R 5.1.6.13 Global PTP Domain and Version Register 5.1.6.14 Global PTP Unit Index Register This register is used to index the timestamp unit and trigger unit for accesses to PTP registers in the address range of 0x052C to 0x05B3. The timestamp and trigger units selected in this register will be the units that are read/written when accessing these registers. Address: 0x0518 - 0x0519 Size: 16 bits Bits Description Type Default 15:12 RESERVED RO 0x0 11:8 PTP Version This is the value of the PTP message version number field. All PTP messages will be captured when the receive message version matches the value in this field. All PTP packets will be dropped if the receive PTP message version does not match the value in this field, except for R/W 0x2 7:0 PTP Domain This is the value of the PTP message domain number field. If domain checking is enabled (Global PTP Message Config 2 Register, bit 4), the timestamp capture will be enabled when the receive PTP message domain number matches the value in this field. If domain checking is not enabled, the domain number field will be ignored. R/W 0x00 Address: 0x0520 - 0x0523 Size: 32 bits Bits Description Type Default 31:9 RESERVED RO 0x00000 8 Timestamp Unit Index Pointer (TS_PTR_INDEX) This bit points to the unit/set registers of the timestamp. 1 = Timestamp Unit 1 0 = Timestamp Unit 0 R/W 0b 7:2 RESERVED RO 000000b 1:0 Trigger Unit Index Pointer (TRIGGER_PTR_INDEX) This bit points to the unit/set registers of the trigger. 11 = RESERVED 10 = Trigger Unit 2 01 = Trigger Unit 1 00 = Trigger Unit 0 R/W 00b |
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