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Zynq-7000 AP SoC Technical Reference Manual www.xilinx.com 1339
UG585 (v1.11) September 27, 2016
Appendix B: Register Details
Register ptp_tx_s Details
Register (GEM) ptp_tx_ns
Register ptp_tx_ns Details
Register (GEM) ptp_rx_s
Field Name Bits Type Reset Value Description
31:0 ro 0x0 The register is updated with the value that the
1588 timer seconds register held when the SFD of
a PTP transmit primary event crosses the MII
interface. The actual update occurs when the
GEM recognizes the frame as a PTP sync or
delay_req frame. An interrupt is issued when the
register is updated.
Name ptp_tx_ns
Software Name XEMACPS_PTP_TXNANOSEC
Relative Address 0x000001E4
Absolute Address gem0: 0xE000B1E4
gem1: 0xE000C1E4
Width 32 bits
Access Type ro
Reset Value 0x00000000
Description PTP event frame transmitted nanoseconds
Field Name Bits Type Reset Value Description
reserved 31:30 ro 0x0 Reserved, read as 0, ignored on write.
ns_reg_val 29:0 ro 0x0 The register is updated with the value that the
1588 timer nanoseconds register held when the
SFD of a PTP transmit primary event crosses the
MII interface. The actual update occurs when the
GEM recognizes the frame as a PTP sync or
delay_req frame. An interrupt is issued when the
register is updated.
Name ptp_rx_s
Software Name XEMACPS_PTP_RXSEC
Relative Address 0x000001E8
Absolute Address gem0: 0xE000B1E8
gem1: 0xE000C1E8
Width 32 bits