lan9313 Standard Microsystems Corp., lan9313 Datasheet - Page 164
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lan9313
Manufacturer Part Number
lan9313
Description
Lan9313/lan9313i Three Port 10/100 Managed Ethernet Switch With Mii
Manufacturer
Standard Microsystems Corp.
Datasheet
1.LAN9313.pdf
(398 pages)
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Revision 1.2 (04-08-08)
13.1.4
13.1.4.1
BITS
31:0
Timestamp High (TS_HI)
This field contains the high 32-bits of the timestamp taken on the receipt of
a 1588 Sync or Delay_Req packet.
IEEE 1588
This section details the IEEE 1588 timestamp related registers. Each port of the LAN9313/LAN9313i
has a 1588 timestamp block with 8 related registers, 4 for transmit capture and 4 for receive capture.
These sets of registers are identical in functionality for each port, and thus their register descriptions
have been consolidated. In these cases, the register names will be amended with a lowercase “x” in
place of the port designation. The wildcard “x” should be replaced with “1”, “2”, or “MII” for the Port 1,
Port 2, and Port 0(External MII) respectively. A list of all the 1588 related registers can be seen in
Table
Stamp Unit," on page
Port x 1588 Clock High-DWORD Receive Capture Register (1588_CLOCK_HI_RX_CAPTURE_x)
Note: The selection between Sync or Delay_Req packets is based on the corresponding
Note: There are multiple instantiations of this register, one for each port of the LAN9313/LAN9313i.
Note: For Port 0(External MII), receive is defined as data from the switch fabric, while transmit is to
13.1. For more information on the IEEE 1588, refer to
master/slave bit in the
Refer to
the switch fabric.
Offset:
Section 13.1.4
134.
Port 1: 100h
Port 2: 120h
Port 0: 140h
DESCRIPTION
1588 Configuration Register
for additional information.
DATASHEET
164
Size:
(1588_CONFIG).
Chapter 10, "IEEE 1588 Hardware Time
Three Port 10/100 Managed Ethernet Switch with MII
32 bits
TYPE
SMSC LAN9313/LAN9313i
RO
00000000h
DEFAULT
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