NEC UPD98413 User Manual page 219

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(51) SD termination N parameter register (SDNT)
This register sets the parameters of SD termination.
Register
Name
Port0:
SDNT
00FC H
31
30
29
28
Reserved
15
14
13
12
Bit
Field
D31-
Reserved
Set to 0.
D24
NT[23:0]
D23-D0
Sets parameter "NT" for SD termination.
NT defines the length of one frame to be monitored as SD termination condition.
(52) SD termination L and M parameters register (SDLMT)
This register sets the parameters of SD termination.
Register
Name
Port0:
SDLMT
0100 H
31
30
29
28
15
14
13
12
LT[7:0]
Bit
Field
D31-
Reserved
Set to 0.
D20
D19-D8
LT[11:0]
Sets parameter "LT" for SD termination.
LT defines the threshold of the number of errors that are detected in the NT frame
as SD termination condition.
MT[7:0]
D7-D0
Sets parameter "MT" for SD termination.
MT defines the number of consecutive events as SD termination condition, in each
of which less than LT errors are detected in one frame to be monitored (successive
NT frames).
CHAPTER 5 REGISTERS
Address
Port1:
Port2:
Port3:
04FC H
08FC H
0CFC H
27
26
25
24
11
10
9
8
NT[15:0]
Address
Port1:
Port2:
Port3:
0500 H
0900 H
0D00 H
27
26
25
24
Reserved
11
10
9
8
PRELIMINARY
Access
Default
R/W
00000000 H
23
22
21
20
NT[23:16]
7
6
5
4
Function
Access
Default
R/W
00000000 H
23
22
21
20
7
6
5
4
MT[7:0]
Function
19
18
17
16
3
2
1
0
Default
0
0
19
18
17
16
LT[11:8]
3
2
1
0
Default
0
0
0
NEC confidential and Proprietary
219

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