LAN9353 Datasheet, PDF (456/523 Pages) Microchip Technology – Interfaces at up to 200Mbps via Turbo MII

LAN9353
15.8.30 1588 PORT X RX PDELAY_REQ INGRESS TIME SECONDS REGISTER
(1588_RX_PDREQ_SEC_X)
Offset:
Bank:
178h
1
Size:
32 bits
This register combined with the 1588 Port x RX Pdelay_Req Ingress Time NanoSeconds Register (1588_RX_P-
DREQ_NS_x) contains the ingress time of the last Pdelay_Req message. This register is automatically updated if the
Auto Update (AUTO) bit is set.
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). The port
accessed (“x”) is set by the Port Select (PORT_SEL[1:0]) field.
Bits
Description
31:4 RESERVED
3:0 Timestamp Seconds (TS_SEC)
This field contains the seconds portion of the receive ingress time.
Type
RO
R/W
Default
-
0h
DS00001925A-page 456
 2015 Microchip Technology Inc.