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KSZ9567R 数据表(PDF) 127 Page - Microchip Technology |
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KSZ9567R 数据表(HTML) 127 Page - Microchip Technology |
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127 / 232 page  2017-2019 Microchip Technology Inc. DS00002329D-page 127 KSZ9567R 5.1.6.29 Timestamp 2nd Sample Time Nanoseconds Register This register is indexed by the Timestamp Unit Index Pointer value in bit 8 of the Global PTP Unit Index Register. 5.1.6.30 Timestamp 2nd Sample Time Seconds Register This register is indexed by the Timestamp Unit Index Pointer value in bit 8 of the Global PTP Unit Index Register. 5.1.6.31 Timestamp 2nd Sample Time Phase Register This register is indexed by the Timestamp Unit Index Pointer value in bit 8 of the Global PTP Unit Index Register. Address: 0x0560 - 0x0563 Size: 32 bits Bits Description Type Default 31 RESERVED RO 0b 30 Event Timestamp Input of the 2nd Sample Edge Indication (TS_SAMPLE_EDGE_2ND) 1 = Indicates the event timestamp input is a rising edge signal 0 = Indicates the event timestamp input is a falling edge signal RO 0b 29:0 Event Timestamp Input of the 2nd Sample Time in Nanoseconds (TS_SAMPLE_TIME_NS_2ND) This field is the low-word of the second sample time for the timestamp in nanoseconds. RO 0x00000000 Address: 0x0564 - 0x0567 Size: 32 bits Bits Description Type Default 31:0 Event Timestamp Input of the 2nd Sample Time in Seconds (TS_SAMPLE_TIME_S_2ND) This field is the second sample time for the timestamp in seconds. RO 0x00000000 Address: 0x0568 - 0x056F Size: 32 bits Bits Description Type Default 31:3 RESERVED RO 0x0000000 2:0 Event Timestamp Input of the 2nd Sample Time in Sub 8ns (TS_SAMPLE_TIME_SUB_8NS_2ND) This field indicates one of the 8ns cycles for the second sample time of the timestamp. 000 = 0ns (sample time at the first 8ns cycle in 25MHz/40ns) 001 = 8ns (sample time at the second 8ns cycle in 25MHz/40ns) 101 = 16ns (sample time at the third 8ns cycle in 25MHz/40ns) 011 = 24ns (sample time at the fourth 8ns cycle in 25MHz/40ns) 100 = 32ns (sample time at the fifth 8ns cycle in 25MHz/40ns) 101-111 = RESERVED RO 000b |
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