RM7965A-900UI 900 MHz 64-bit Microprocessor Data Sheet
4.17 Instruction TLB ............................................................................................................26
4.18 Data TLB ….................................................................................................................26
4.19 Interrupt Handling........................................................................................................ 26
4.20 Standby Mode ............................................................................................................. 28
4.21 JTAG Interface ............................................................................................................29
4.22 Reset Sequence.......................................................................................................... 29
Cache Architecture................................................................................................................ 30
5.1 Instruction Cache ........................................................................................................30
5.2 Data Cache .................................................................................................................31
5.3 Secondary Cache........................................................................................................32
5.3.1 Secondary Caching Protocols........................................................................ 33
5.3.2 Fast Packet Cache Mode...............................................................................33
5.4 Cache Modes ..............................................................................................................34
5.5 Cache Attributes..........................................................................................................35
5.6 Cache Locking ............................................................................................................36
5.7 Primary Write Buffer....................................................................................................36
5.8 Data Prefetch ..............................................................................................................36
5.9 Memory Latencies....................................................................................................... 37
System Interface................................................................................................................... 38
6.1 System Address/Data Bus .......................................................................................... 38
6.2 System Command Bus ............................................................................................... 39
6.3 Handshake Signals ..................................................................................................... 40
6.4 System Interface Operation ........................................................................................41
6.5 Write Modes ................................................................................................................43
Integrated Debug .................................................................................................................. 44
7.1 EJTAG Debugging.......................................................................................................44
7.2 Trace Buffer.................................................................................................................44
7.3 Test/Breakpoint Registers ........................................................................................... 45
7.4 Performance Counters................................................................................................ 46
Boot-Mode Settings .............................................................................................................. 48
RM7000 and RM7965A Differences .....................................................................................53
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8
9
10 Pin Descriptions.................................................................................................................... 55
11 Absolute Maximum Ratings ..................................................................................................59
12 DC Electrical Characteristics ................................................................................................ 60
13 Power.................................................................................................................................... 61
13.1 Normal Operating Conditions...................................................................................... 61
Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2100294, Issue 2
6
PMC [ PMC-SIERRA, INC ]
