CHAPTER 21:Ethernet MAC
640
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
4.8.
Receive Status Register (ETHERNETn_receive_status)
Description of Receive Status register is shown.
REGISTER_NAME
ETHERNETn_receive_status
OFFSET
0x020
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
Reserved
ACCESS_TYPE
R0,WX
PROT_TYPE
Wp
INITIAL_VALUE
0x00
BIT_OFFSET
7
6
5
4
3
2
1
0
BIT_NAME
Reserved
resp_not_o
k
receive_ove
rrun
frame_recei
ved
buffer_not_
available
ACCESS_TYPE
R0,WX
R,W1C
R,W1C
R,W1C
R,W1C
PROT_TYPE
Wp
INITIAL_VALUE
0x0
0
0
0
0
[bit31:4] Reserved
Always read "0". Writing has no effect.
[bit3] resp_not_ok: BRESP not OK
Set when the DMA block sees BRESP not OK. This bit is cleared by writing "1" to it.
[bit2] receive_overrun: Receive over run
This bit is set if the RX Packet Buffer Memory overflows. For DMA operation the buffer will be
recovered if an over run occurs. This bit is cleared by writing "1" to it.
Содержание S6J3200 Series
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