NEC UPD98413 User Manual page 183

(13) Transmit POH mode register (MDPOHT)
The MDPOHT register sets the modes related to transmit POH operation.
Register
Name
Port0:
MDPOHT 004CH
31 30 29 28
15 14 13 12
Reserved
Bit Field
D31-D8 Reserved Set to 0.
D7 PRDIM Selects the Path RDI function.
D6 PTIUO Specifies whether Path TIU detection is included in the condition of automatic
loopback transmission of Enhanced Path RDI connectivity.
D5 PTIMO Specifies whether Path TIM detection is included in the condition of automatic
loopback transmission of Enhanced Path RDI connectivity.
D4 LCDO Specifies whether LCD detection is included in the condition of automatic loopback
transmission of Path RDI.
D3 APRDIM Controls the automatic loopback transmission function of Path RDI.
D2 J1SZ Selects the size of the transmit J1 path trace message.
D1 B3M Selects even or odd parity for BIP-8 (B3) parity operation of transmit path.
D0 FSBM Selects a value to be inserted in the Fixed Stuff byte area of the transmit frame.
CHAPTER 5 REGISTERS
Address
Port1: Port2: Port3:
044CH 084CH 0C4CH
27 26 25 24
Reserved
11 10 9 8
1: Enhanced Path RDI
1: Includes Path TIU.
1: Includes Path TIM.
1: Includes LCD.
1: Not automatic loopback
1: 16 bytes
1: Odd parity
1: Inserts 00H.
PRELIMINARY
Access Default
R/W 00000000 H
23 22 21 20
7 6 5 4
PRDIM PTIUO PTIMO LCDO
Function
0: One-bit Path RDI
0: Does not include Path TIU.
0: Does not include Path TIM.
0: Does not include LCD.
0: Automatic loopback
0: 64 bytes
0: Even parity
0: Inserts FFH.
19 18 17 16
3 2 1 0
APRDIM J1SZ B3M FSBM
Default
0
0
0
0
0
0
0
0
0
NEC confidential and Proprietary
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