MT90826AL Zarlink, MT90826AL Datasheet - Page 23

• Manufacturer Part Number: MT90826AL
• Description: Switch Fabric 4K x 4K/2K x 2K/1K x 1K 3.3V 160-Pin MQFP Tray
• Manufacturer: Zarlink

Specifications of MT90826AL

• Package: 160MQFP
• Number Of Ports: 32
• Fabric Size: 4K x 4K|2K x 2K|1K x 1K
• Switch Core: Non-Blocking
• Port Speed: 2.048|4.096|8.192|16.384 Mbps
• Operating Supply Voltage: 3.3 V

Name (Note 1)
IFn3-0
IF113
IF153
IF313
IF193
IF233
IF273
IF73
IF33
Read/Write Address:
Reset value:
15
IF112
IF272
IF312
IF192
IF232
IF152
IF32
IF72
14
IF111
IF271
IF311
IF191
IF231
IF151
IF71
IF31
13
Input Offset Bits 3,2,1 & 0. These four bits define how long the serial interface receiver
takes to recognize and store bit 0 from the STi pin: i.e., to start a new frame. The input
frame offset can be selected to +2.25 external clock periods (or 4.50 internal clock
cycles) from the point where the external frame pulse input signal is applied to the F0i
inputs of the device. See Table 9.
When the STi pin has a stream rate of 2.048 Mbps, the input offset cannot be adjusted
and the input offset bits have to be set to zero.
IF110
IF270
IF310
IF150
IF190
IF230
IF30
IF70
12
Table 8 - Frame Delay Offset Register (DOS) Bits
IF303
IF143
IF183
IF223
IF263
IF103
IF63
IF23
11
02
04
06
08
0000
H
H
H
H
for DOS0 register,
IF182
IF262
IF302
for DOS2 register,
for DOS4 register,
for DOS6 register,
IF142
IF222
IF102
IF62
H
IF22
10
for all DOS registers.
Zarlink Semiconductor Inc.
IF261
IF301
IF141
IF181
IF221
IF101
IF61
IF21
9
MT90826
DOS0 register
DOS3 register
DOS4 register
DOS5 register
DOS6 register
DOS7 register
DOS1 register
DOS2 register
IF180
IF260
IF300
IF140
IF220
IF100
IF60
IF20
8
23
IF133
IF173
IF293
IF213
IF253
IF53
IF13
IF93
7
Description
03
05
07
09
IF172
IF252
IF292
IF132
IF212
IF52
IF12
IF92
H
H
H
H
6
for DOS1 register,
for DOS3 register,
for DOS5 register,
for DOS7 register,
IF251
IF291
IF131
IF171
IF211
IF51
IF11
IF91
5
IF130
IF170
IF250
IF290
IF210
IF50
IF10
IF90
4
IF123
IF163
IF283
IF203
IF243
IF03
IF43
IF83
3
IF122
IF162
IF242
IF282
IF202
IF42
IF02
IF82
2
IF161
IF241
IF281
IF121
IF201
IF41
IF01
IF81
1
Data Sheet
IF120
IF160
IF240
IF280
IF200
IF40
IF00
IF80
0