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LAN9250 Datasheet(PDF) 343 Page - Microchip Technology |
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LAN9250 Datasheet(HTML) 343 Page - Microchip Technology |
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343 / 421 page  2015 Microchip Technology Inc. DS00001913A-page 343 LAN9250 14.8.21 1588 PORT CAPTURE INFORMATION REGISTER (1588_CAP_INFO) This read only register provides information about the receive and transmit capture buffers. Note: Port and GPIO registers share a common address space. Port registers are selected by the Bank Select (BANK_SEL[2:0] in the 1588 Bank Port GPIO Select Register (1588_BANK_PORT_GPIO_SEL). Offset: 160h Size: 32 bits Bank: 0 Bits Description Type Default 31:7 RESERVED RO - 6:4 1588 TX Timestamp Count (1588_TX_TS_CNT[2:0]) This field indicates how many transmit timestamps are available to be read. It is incremented when a PTP packet is transmitted and decremented when the 1588 TX Timestamp Interrupt (1588_TX_TS_INT) bit is written with a 1. RO 000b 3 RESERVED RO - 2:0 1588 RX Timestamp Count (1588_RX_TS_CNT[2:0]) This field indicates how many receive timestamps are available to be read. It is incremented when a PTP packet is received and decremented when the 1588 RX Timestamp Interrupt (1588_RX_TS_INT) bit is written with a 1. RO 000b |
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