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(146) Receive S1, 1st Z2 and E2 drop register (S1Z2E2R)
The S1Z2E2R register is used for storing the receive S1, 1st Z2 and E2 byte.
Register
Name
Port0:
S1Z2E2R
037C H
31
30
29
28
Reserved
15
14
13
12
Z2F[7:0]
Bit
Field
D31-
Reserved
D24
D23-
E2[7:0]
Stores the receive E2 byte. This field is updated each time a frame is received.
D16
D15-D8
Z2F[7:0]
Stores the receive 1st Z2 byte. This field is updated each time a frame is received.
D7-D0
S1[7:0]
Stores the receive S1 byte. This field is updated each time a frame is received.
(147) Receive 1st Z2 drop register 1 (Z2FDR)
The Z2FDR register is used for storing the receive 1st Z2 byte.
Register
Name
Port0:
Z2FDR
0380 H
31
30
29
28
15
14
13
12
Reserved
Bit
Field
D31-D8
Reserved
D7-D0
Z2FD[7:0]
Stores the receive 1st Z2 byte. This field is updated when six contiguous frames
containing the same bit 6-7 of 1st Z2 byte are received after the contents of the
register are changed.
CHAPTER 5 REGISTERS
Address
Port1:
Port2:
Port3:
077C H
0B7C H
0F7C H
27
26
25
24
11
10
9
8
Address
Port1:
Port2:
Port3:
0780 H
0B80 H
0F80 H
27
26
25
24
Reserved
11
10
9
8
PRELIMINARY
Access
Default
R
00000000 H
23
22
21
20
E2[7:0]
7
6
5
4
S1[7:0]
Function
Access
Default
R
00000000 H
23
22
21
20
7
6
5
4
Z2FD[7:0]
Function
19
18
17
16
3
2
1
0
Default
0
0
0
0
19
18
17
16
3
2
1
0
Default
0
0
NEC confidential and Proprietary
299
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