Texas Instruments Development Kit for TM4C129x,Tiva™ ARM® Cortex™ -M4 Microcontroller DK-TM4C129X DK-TM4C129X 데이터 시트
![Texas Instruments](https://files.manualsbrain.com/attachments/b46f99d826b2b0e0e5f558c5fb6483942eb9216b/common/fit/150/50/c15ea36eb1fb1cce99a3b94668675bfc78ce832d8d727d9a7bb51a125510/brand_logo.gif)
제품 코드
DK-TM4C129X
Description
Reset
Type
Name
Bit/Field
Enable Processing of PTP Frames Sent over IPv4-UDP
Description
Value
The MAC ignores PTP transported over UDP-IPv4 packets.
This bit is set by default.
This bit is set by default.
0
The MAC receiver processes PTP packets encapsulated in UDP
over IPv4 packets.
over IPv4 packets.
1
0x1
RW
PTPIPV4
13
Enable Processing of PTP Frames Sent Over IPv6-UDP
Description
Value
The MAC ignores PTP transported over UDP-IPv6 packets.
0
The MAC receiver processes PTP packets encapsulated in UDP
over IPv6 packets.
over IPv6 packets.
1
0x0
RW
PTPIPV6
12
Enable Processing of PTP Over Ethernet Frames
Description
Value
The MAC ignores PTP over Ethernet packets.
0
The MAC receiver processes PTP packets encapsulated directly
in Ethernet frames.
in Ethernet frames.
1
0x0
RW
PTPETH
11
Enable PTP Packet Processing For Version 2 Format
Description
Value
PTP packets are processed using the IEEE 1588 version 1
format.
format.
0
PTP packets are processed using the IEEE 1588 version 2
format.
format.
1
0x0
RW
PTPVER2
10
Timestamp Digital or Binary Rollover Control
Description
Value
The
TTSLO
field of the EMACTARGNANO register, offset 0x720,
rolls over after 0x7FFF_FFFF and increments the
EMACTARGSEC register. The sub-second increment has to
be programmed correctly depending on the MOSC frequency
and the value of this bit.
EMACTARGSEC register. The sub-second increment has to
be programmed correctly depending on the MOSC frequency
and the value of this bit.
0
The EMACTARGNANO register rolls over after 0x3B9A.C9FF
value (that is, 1 nanosecond accuracy) and increments the
EMACTARGSEC register.
value (that is, 1 nanosecond accuracy) and increments the
EMACTARGSEC register.
1
0x0
RW
DGTLBIN
9
Enable Timestamp For All Frames
Description
Value
No effect.
0
Timestamp snapshots are enabled for all frames received by
the MAC.
the MAC.
1
0x0
RW
ALLF
8
1727
December 13, 2013
Texas Instruments-Advance Information
Tiva
™
TM4C129XNCZAD Microcontroller