Texas Instruments THUNDER TNETX3270 - Manual (Page 14)

TNETX3270
ThunderSWITCH

24/3 ETHERNET

SWITCH
WITH 24 10-MBIT/S PORTS AND 3 10-/100-MBIT/S PORTS
SPWS043B – NOVEMBER 1997 – REVISED APRIL 1999
14
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
Table 2. Detailed DIO Register Map
BYTE 3 BYTE 2 BYTE 1 BYTE 0
DIO
ADDRESS
Port1control Port0control 0x0000
Port3control Port2control 0x0004
Port5control Port4control 0x0008
Port7control Port6control 0x000C
Port9control Port8control 0x0010
Port11control Port10control 0x0014
Port13control Port12control 0x0018
Port15control Port14control 0x001C
Port17control Port16control 0x0020
Port19control Port18control 0x0024
Port21control Port20control 0x0028
Port23control Port22control 0x002C
Port25control Port24control 0x0030
Reserved Port26control 0x0034
Reserved Reserved 0x0038:0x003F
Reserved UnkVLANport Mirrorport Uplinkport 0x0040
Reserved Aging threshold 0x0044
Reserved 0x0048:0x004F
Nlearnports 0x0050
Txblockports 0x0054
Rxuniblockports 0x0058
Rxmultiblockports 0x005C
Unkuniports 0x0060
Unkmultiports 0x0064
Unksrcports 0x0068
UnkVLANintports 0x006C
Reserved 0x0070:0x007F
Trunkmap3 Trunkmap2 Trunkmap1 Trunkmap0 0x0080
Trunkmap7 Trunkmap6 Trunkmap5 Trunkmap4 0x0084
Reserved Trunkports 0x0088
Reserved 0x008C:0x009F
Devcode Reserved SIO Revision 0x00A0
Reserved 0x00A4:0x00DF
RAMsize Reserved IOBcontrol 0x00E0
Reserved 0x00E4
Pausetime100 Pausetime10 0x00E8
Reserved 0x00EC
Reserved Flowthreshold 0x00F0
Reserved LEDcontrol 0x00F4
Syscontrol Statcontrol 0x00F8