TI380C30A Datasheet, PDF (24/81 Pages) Texas Instruments – INTEGRATED TOKEN-RING COMMPROCESSOR AND PHYSICAL-LAYER INTERFACE

TI380C30A
INTEGRATED TOKEN-RING COMMPROCESSOR
AND PHYSICAL-LAYER INTERFACE
SPWS034 – MARCH 1998
Table 3. Adapter-Internal Pointers for Token Ring^†
ADDRESS
DESCRIPTION
>00.FFF8‡ Pointer to software raw microcode level in chapter 0
>00.FFFA‡
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 TI380C30A addresses in chapter 1:
Pointer + 0 node address
Pointer + 6 group address
Pointer + 10 functional address
>01.0A06
Pointer to TI380C30A 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 upstream neighbor address (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-Mbit/s word flag. If zero, the adapter is set to run at 4 Mbit/s. If nonzero, the adapter is set to run at
16 Mbit/s.
>01.0A0E Pointer to total TI380C30A RAM found in 1K bytes in RAM allocation test in chapter 1.
† _{This table describes the pointers for release 2.x of the TI380C30A software.}
‡ _{This address valid only for microcode release 2.x}
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