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KSZ9563RNXI-TR 数据表(PDF) 108 Page - Microchip Technology |
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KSZ9563RNXI-TR 数据表(HTML) 108 Page - Microchip Technology |
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108 / 226 page  KSZ9563R DS00002419D-page 108 2017-2018 Microchip Technology Inc. 5.1.6.6 Global PTP RTC Clock Second Low Word Register 5.1.6.7 Global PTP Clock Sub-Nanosecond Rate High Word Register 5.1.6.8 Global PTP Clock Sub-Nanosecond Rate Low Word Register Address: 0x050A - 0x050B Size: 16 bits Bits Description Type Default 15:0 PTP Real Time Clock Second [15:0] This is the low word of the second value of the PTP real time clock. R/W 0x0000 Address: 0x050C - 0x050D Size: 16 bits Bits Description Type Default 15 PTP Rate Direction Rate direction control for PTP clock Temporary Adjustment and Continuous Adjustment modes. 1 = The PTP Clock Sub-nanosecond value (this register and Global PTP Clock Sub-Nanosecond Rate Low Word Register) will be added to the PTP time every 25MHz clock cycle. 0 = The PTP Clock Sub-nanosecond value will be subtracted from the PTP time every 25MHz clock cycle. R/W 0b 14 PTP Temporary Adjustment Mode 1 = Enable temporary incrementing or decrementing of the PTP clock by the PTP Clock Sub-nanosecond value (this register and the Global PTP Clock Sub-Nanosecond Rate Low Word Register) every 25MHz clock cycle, for the duration set in the Global PTP Clock Temp Adjustment Duration High Word Register and Global PTP Clock Temp Adjustment Duration Low Word Register. 0 = Stop temporary adjustment of the PTP clock R/W 0b 13:0 PTP Real Time Clock Sub-Nanosecond [29:16] This is the high word of the sub-nanosecond value of the PTP real time clock. R/W 0x0000 Address: 0x050E - 0x050F Size: 16 bits Bits Description Type Default 15:0 PTP Real Time Clock Sub-Nanosecond [15:0] This is the low word of the sub-nanosecond value of the PTP real time clock. It is used for Continuous Adjustment and Temporary Adjustment modes. R/W 0x0000 |
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