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PM3350-SW Datasheet(PDF) 172 Page - PMC-Sierra, Inc

Part # PM3350-SW
Description  8 PORT ETHERNET SWITCH
PDF  224 Pages
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Manufacturer  PMC [PMC-Sierra, Inc]
Direct Link  http://www.pmc-sierra.com
Logo PMC - PMC-Sierra, Inc

PM3350-SW Datasheet(HTML) 172 Page - PMC-Sierra, Inc

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ELAN 8X10
PM3350 ELAN 8 X10
DATA SHEET
PMC-970109
ISSUE 3
8 PORT ETHERNET SWITCH
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND PMC-SIERRA, INC. CUSTOMERS ONLY
170
Control Registers
The 96 16-bit control registers,
cr0 through cr95, provide control and status of the
functional blocks comprising the PM3350.
The control registers can be read by the RISC only by using MOVE instructions to
transfer their contents to the general-purpose registers. The contents of any control
register may be accessed or modified by the MOVE and LDI instructions. Some of the
control registers may exhibit side effects when written to; these are noted in the register
descriptions.
Mnemonic
Address
Register
DMCTRL
0x20
DMA control word (cr0)
DMSTAT
0x21
DMA status register (cr1)
INSTCSR
0x22
RAM/ROM instruction control register (cr2)
INSTDATA
0x23
RAM/ROM instruction data register (cr3)
DMFLISTL
0x24
DMA freelist pointer low (cr4)
DMFLISTH
0x25
DMA freelist pointer high (cr5)
MREG_ADDR
0x26
Memory Interface Register Address register (cr6)
MREG_DATA
0x27
Memory Interface Register Data register (cr7)
0x28
REQID
0x29
Request info (cr9)
ACKID
0x2A
Acknowledge info (cr10)
TASKCTR
0x2B
Task counter (cr11)
DMNFREEL
0x2C
DMA next free packet buffer low (cr12)
DMNFREEH
0x2D
DMA next free packet buffer high (cr13)
CTRSEL
0x2E
Request/ack counter select reg (cr14)
CTRDATA
0x2F
Request/ack counter data reg (cr15)
RPCICMD
0x30
RPCIM command register (cr16)
RPCIDATA
0x31
RPCIM Data register (cr17)
RPCIADDRL
0x32
RPCIM Address register high (cr18)
RPCIADDRH
0x33
RPCIM Address register low (cr19)
RPCISTAT
0x34
RPCIM status register (cr20)
WTIMER
0x35
RST module: Watchdog Timer (cr21)
FRST
0x36
RST module: Firmware RST register (cr22)
DBGCTRL
0x37
DBG module Control register (cr23)
RAMREGL
0x38
HASH ram register 15:0 (cr24)
RAMREGH
0x39
HASH ram register 31:16 (cr25)
HCADDR
0x3A
HASH control address register (cr26)



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