PM5363 TUPP+622
TUPP+622
DATASHEET
PMC-1981421
ISSUE 4
SONET/SDH TRIBUTARY UNIT PAYLOAD PROCESSOR FOR 622 MBIT/S
INTERFACES
Register 42BH, 46BH, 4ABH: RTTB, Indirect Data Select
Bit
Type
Function
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
0
0
0
0
0
0
0
0
This register contains the data read from a tributary buffer after an indirect read
operation or the data to be inserted into a tributary buffer in an indirect write
operation.
D[7:0]:
The indirect data bits (D[7:0]) reports the data read from a tributary buffer after
an indirect read operation has complete. Data to be written to a tributary
buffer in an indirect write operation must be set up in this register before
triggering the write. Data in this register reflects the value written until the
completion of a subsequent indirect read operation.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
324
PMC [ PMC-SIERRA, INC ]
