CHAPTER 21:Ethernet MAC
692
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
4.38.
PTP Peer Event Frame Transmitted Seconds [47:32] Register
(ETHERNETn_tsu_peer_tx_msb_sec)
Description of PTP Peer Event Frame Transmitted Seconds [47:32] register is shown.
REGISTER_NAME
ETHERNETn_tsu_peer_tx_msb_sec
OFFSET
0x0F0
ACCESS_SIZE
W
MULTIPLE
NUMERIC_TYPE
OTHER
BIT_OFFSET
31
30
29
28
27
26
25
24
BIT_NAME
Reserved
ACCESS_TYPE
R0,WX
PROT_TYPE
Wp
INITIAL_VALUE
0x00
BIT_OFFSET
23
22
21
20
19
18
17
16
BIT_NAME
Reserved
ACCESS_TYPE
R0,WX
PROT_TYPE
Wp
INITIAL_VALUE
0x00
BIT_OFFSET
15
14
13
12
11
10
9
8
BIT_NAME
timer_seconds[15:8]
ACCESS_TYPE
R,WX
PROT_TYPE
Wp
INITIAL_VALUE
0x00
BIT_OFFSET
7
6
5
4
3
2
1
0
BIT_NAME
timer_seconds[7:0]
ACCESS_TYPE
R,WX
PROT_TYPE
Wp
INITIAL_VALUE
0x00
[bit31:16] Reserved
Always read "0". Writing has no effect.
[bit15:0] timer_seconds: PTP Peer Event Frame Transmitted Seconds [47:32]
The register is updated with the value that the IEEE 1588 Timer Seconds register held when the SFD of
a PTP transmit peer event crosses the MII interface. The actual update occurs when the Ethernet MAC
recognizes the frame as a PTP Pdelay_Req or Pdelay_Resp frame. An interrupt is issued when the
register is updated.
Содержание S6J3200 Series
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