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Texas Instruments AM335 Series Technical Reference Manual

Texas Instruments AM335 Series
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Ethernet Subsystem Registers
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14.5.3.11 CPTS_EVENT_HIGH Register (offset = 38h) [reset = 0h]
CPTS_EVENT_HIGH is shown in Figure 14-88 and described in Table 14-100.
UPPER 32-BITS OF THE EVENT VALUE
Figure 14-88. CPTS_EVENT_HIGH Register
31 30 29 28 27 26 25 24
Reserved PORT_NUMBER
R-0h R-0h
23 22 21 20 19 18 17 16
EVENT_TYPE MESSAGE_TYPE
R-0h R-0h
15 14 13 12 11 10 9 8
SEQUENCE_ID
R-0h
7 6 5 4 3 2 1 0
SEQUENCE_ID
R-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 14-100. CPTS_EVENT_HIGH Register Field Descriptions
Bit Field Type Reset Description
31-29 Reserved R 0h
28-24 PORT_NUMBER R 0h
Port Number - indicates the port number of an ethernet event or the
hardware push pin number (1 to 4).
23-20 EVENT_TYPE R 0h Time Sync Event Type
0000 - Time Stamp Push Event
0001 - Time Stamp Rollover Event
0010 - Time Stamp Half Rollover Event
0011 - Hardware Time Stamp Push Event
0100 - Ethernet Receive Event
0101 - Ethernet Transmit Event
19-16 MESSAGE_TYPE R 0h Message type - The message type value that was contained in an
ethernet transmit or receive time sync packet.
This field is valid only for ethernet transmit or receive events.
15-0 SEQUENCE_ID R 0h Sequence ID - The
16-bit sequence id is the value that was contained in an ethernet
transmit or receivetime sync packet.
This field is valid only for ethernet transmit or receive events.
1320
Ethernet Subsystem SPRUH73HOctober 2011Revised April 2013
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Texas Instruments AM335 Series Specifications

General IconGeneral
BrandTexas Instruments
ModelAM335 Series
CategoryComputer Hardware
LanguageEnglish

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