TI380C25 Datasheet, PDF (19/71 Pages) Texas Instruments – TOKEN-RING COMMPROCESSOR

TI380C25
TOKEN-RING COMMPROCESSOR
SPWS012 – JANUARY 1995
Adapter-Internal Pointers for Token Ring^†
ADDRESS
> 00.FFF8‡
> 00.FFFA‡
DESCRIPTION
Pointer to software raw microcode level in chapter 0
Pointer to starting location of copyright notices. Copyright notices are separated by a > 0A character and
terminated by a > 00 character in chapter 0.
> 01.0A00
Pointer to burned-in address in chapter 1
> 01.0A02
Pointer to software level in chapter 1
> 01.0A04
Pointer to TI380C25 addresses in chapter 1:
Pointer + 0 node address
Pointer + 6 group address
Pointer + 10 functional address
> 01.0A06
Pointer to TI380C25 parameters in chapter 1:
Pointer + 0 physical-drop number
Pointer + 4 upstream neighbor address
Pointer + 10 upstream physical-drop number
Pointer + 14 last ring-poll address
Pointer + 20 reserved
Pointer + 22 transmit access priority
Pointer + 24 source class authorization
Pointer + 26 last attention code
Pointer + 28 source address of the last received frame
Pointer + 34 last beacon type
Pointer + 36 last major vector
Pointer + 38 ring status
Pointer + 40 soft-error timer value
Pointer + 42 ring-interface error counter
Pointer + 44 local ring number
Pointer + 46 monitor error code
Pointer + 48 last beacon-transmit type
Pointer + 50 last beacon-receive type
Pointer + 52 last MAC-frame correlator
Pointer + 54 last beaconing-station UNA
Pointer + 60 reserved
Pointer + 64 last beaconing-station physical-drop number
> 01.0A08
Pointer to MAC buffer (a special buffer used by the software to transmit adapter-generated MAC frames) in chapter 1
> 01.0A0A
Pointer to LLC counters in chapter 1:
Pointer + 0 MAX_SAPs
Pointer + 1 open SAPs
Pointer + 2 MAX_STATIONs
Pointer + 3 open stations
Pointer + 4 available stations
Pointer + 5 reserved
> 01.0A0C
Pointer to 4- / 16-Mbps word flag. If zero, the adapter is set to run at 4 Mbps. If nonzero, the adapter is set to run at 16 Mbps.
> 01.0A0E
Pointer to total TI380C25 RAM found in 1K bytes in RAM allocation test in chapter 1.
† _{This table describes the pointers for release 2.x of the TI380C25 software.}
‡ _{This address valid only for microcode release 2.x}
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