PMC-Sierra, Inc.
PRELIMINARY
PM5381 S/UNI-2488
DATASHEET
PMC-2000489
ISSUE 1
SATURN USER NETWORK INTERFACE FOR 2488 MBIT/S
Register 0680H: TSVCA Indirect Address
Bit
Type
Function
Default
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
R
BUSY
RWB
X
0
R/W
Unused
Unused
Unused
Unused
Unused
IADDR[2]
IADDR[1]
IADDR[0]
Unused
Unused
Reserved
Reserved
Reserved
Reserved
Bit 8
R/W
R/W
R/W
0
0
0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
R/W
R/W
R/W
R/W
0
0
0
0
Bit 2
Bit 1
Bit 0
IADDR[2:0]:
The address location (IADDR[2:0]) bits select which address location is accessed by the
current indirect transfer.
IADDR[2:0]
Indirect Register
000
001
TSVCA Pointer Justification Interrupt Enable
TSVCA FIFO Interrupt Enable
010
TSVCA Positive Justification Performance Monitor
TSVCA Negative Justification Performance Monitor
TSVCA Diagnostic/Configuration
011
100
101 to 111
Unused
RWB:
The active high read and active low write (RWB) bit selects if the current access to a internal
register is an indirect read or an indirect write. Writing to the Indirect Address Register
initiates an access to a register. When RWB is set to logic 1, an indirect read access to a
register is initiated. The data from the addressed location as indicated using the IADDR field
will be transferred to the Indirect Data Register. When RWB is set to logic 0, an indirect write
Proprietary and Confidentail to PMC-Sierra Inc., and for its Customer’s Internal Use
258
PMC [ PMC-SIERRA, INC ]
