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(141) Receive Section DCC drop register (SDCCR)
The SDCCR register is used for storing the receive D1 through D3 bytes.
Register
Name
Port0:
SDCCR
0368 H
31
30
29
28
Reserved
15
14
13
12
D2[7:0]
Bit
Field
D31-
Reserved
D24
D23-
D3[7:0]
Stores the receive D3 byte. This field is updated each time a frame is received.
D16
D15-D8
D2[7:0]
Stores the receive D2 byte. This field is updated each time a frame is received.
D7-D0
D1[7:0]
Stores the receive D1 byte. This field is updated each time a frame is received.
(142) Receive K1 and K2 drop register (K12R)
The K12R register is used for storing the receive K1 and K2 bytes.
Register
Name
Port0:
K12R
036C H
31
30
29
28
15
14
13
12
K2[7:0]
Bit
Field
D31-
Reserved
D16
D15-D8
K2[7:0]
The receive K2 byte is stored.
D7-D0
K1[7:0]
The receive K1 byte is stored.
This register is updated when three contiguous frames containing the same K1 and K2 bytes are received after
the contents of the register are changed.
CHAPTER 5 REGISTERS
Address
Port1:
Port2:
Port3:
0768 H
0B68 H
0F68 H
27
26
25
24
11
10
9
8
Address
Port1:
Port2:
Port3:
076C H
0B6C H
0F6C H
27
26
25
24
Reserved
11
10
9
8
PRELIMINARY
Access
Default
R
00000000 H
23
22
21
20
D3[7:0]
7
6
5
4
D1[7:0]
Function
Access
Default
R
00000000 H
23
22
21
20
7
6
5
4
K1[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
0
NEC confidential and Proprietary
295
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