PM7340 S/UNI-IMA-8
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
11.9 TIMA registers
Register 0x320: TIMA Indirect Memory Command
Bit
Type
Function
Default
15
14
13:3
2:0
R
R/W
MEM_BUSY
MEM_RWB
Unused
0
0
0
0
R/W
MEM_SELECT
Writing to this register triggers an indirect memory access to the TIMA Context
tables. The indirect memory address (and data register for write operations) must
be configured prior to writing this register.
MEM_SELECT:
The indirect memory select indicates the memory table (or register bank)
within the TIMA which will be accessed.
MEM_SELECT
TIMA Memory Table
Address Range
0
Transmit IMA Group Context
Table Memory
0-31
(0-0x01F)
0
1
2
Transmit IMA Group
Configuration Record
Transmit LID to Physical Link
Map Memory
Transmit Link Context Table
Memory
672 – 675
(0x2A0 – 0x2A3)
0-127
(0x0-0x07F)
0- 15
(0x0- 0xF)
3-7
Reserved
MEM_RWB:
The memory indirect access control bit (MEM_RWB) selects between a
configure (write) or interrogate (read) access to the TIMA internal. Writing a
logic 0 to MEM_RWB triggers an indirect write operation. Data to be written is
taken from the Indirect Memory Data registers. Writing a logic 1 to
MEM_RWB triggers an indirect read operation. The read data can be found in
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
241
PMC [ PMC-SIERRA, INC ]
