NEC UPD98413 User Manual page 198

(26) Receive POH mode register (MDPOHR)
The MDPOHR register sets the modes related to receive POH operation.
Register
Name
Port0:
MDPOHR 0080 H
31 30 29 28
Reserved
15 14 13 12
Reserved
PPLM02 PPLM01
Bit Field
D31- Reserved Set to 0.
D24
D23- C2EX[7:0] Sets the expected value of the receive C2 byte (Signal Label).
D16
Reserved
D15- Set to 0.
D14
D13 PPLM02 1: Except the value by setting the C2EX[7:0] for detection Path PLM.
0: Not Except.
D12 PPLM01 1: Except the value "01h" for detection Path PLM.
0: Not Expect.
D11 PRDIM Selects the Path RDI function.
J1MSG
D10 Changes "n" of the received trace message drop condition.
D9 PTIUT Changes "n" of the Path TIU termination condition.
PTIUD
D8 Changes "n" of the Path TIU detection condition.
PTIMDT
D7 Changes "n" of the Path TIM detection/termination condition.
D6 PPLUT Changes "n" of the Path PLU clearing and received C2 byte drop condition.
PPLMDT
D5 Changes "n" of the Path PLM and UNEQ detection/clearing condition.
PRDIDT[1:
D4-D3 Changes "n" of the Path RDI detection condition "Path RDI is detected when a
0]
frame with the G1 byte set to "1" has been received n times."
11: Reserved
D2 J1SYNC Specifies whether the first pattern of a message or end pattern is selected as a
synchronization pattern when the J1 path trace message is received.
198
CHAPTER 5 REGISTERS
Address
Port1: Port2: Port3:
0480 H 0880 H 0C80 H
27 26 25 24
11 10 9 8
PRDIM J1MSG PTIUT PTIUD
1: Enhanced Path RDI 0: One-bit Path RDI
1: n = 5 0: n = 3
1: n = 5 0: n = 3
1: n = 8 0: n = 5
1: n = 5 0: n = 3
1: n = 5 0: n = 3
1: n = 5 0: n = 3
10: n = 10 01: n = 5
1: Selects the first word of the message as a synchronization pattern.
0: Selects the last word of the message as a synchronization pattern.
PRELIMINARY
Access Default
R/W 001337F0 H
23 22 21 20
C2EX[7:0]
7 6 5 4
PTIMDT PPLUT PPLMDT PRDIDT[1:0]
Function
00: n = 3
19 18 17 16
3 2 1 0
J1SYNC J1SZ B3M
Default
0
13H
0
1
1
0
1
1
1
1
1
1
10
0
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