MT90868 Zarlink Semiconductor, Inc., MT90868 Datasheet - Page 29

• Manufacturer Part Number: MT90868
• Description: High Bandwidth Digital Switch - 8,192 x 8,192 channels among local streams and 1,024 x 1,024 channels among two selected backplane streams
• Manufacturer: Zarlink Semiconductor, Inc.

Advance Information
BHIZ
2 - 0
15
Read/Write Address: 0000
Bit
Reset Value: 0000
3
LOCAEN
14
MS2 - 0
Name
OSB
LICDEN
H
13
Output Stand By Bit: This bit enables the BSTo0 - BSTOo63 and the LSTo0 - LSTo63
serial outputs. The following table describes the HiZ control of the serial data outputs:
Memory Select Bit: These three bits are used to select different connection and data
memories:
000, Local Connection Memory Low (LCML) is selected for read or write operations.
001, Local Connection Memory high (LCMH) is selected for read or write operations.
010, Backplane Connection Memory (BCM) is selected for read or write operations.
011, Local Data Memory is selected for read operation; Streams E and F are selected by
100, Backplane Data Memory is selected for read operation; Streams C and D are
H
12
0
the LDMRSR register can be read.
selected by the BDMRSR registers can be read.
IC3
Pin
0
0
0
0
0
0
0
0
0
0
1
Table 5 - Control Register (CR) Bits (continued)
STBY
11
BIME
Pin
1
1
1
1
0
0
0
0
0
0
X
PRST
10
RESET
CBERB
Pin
X
0
1
1
1
0
1
1
1
1
1
9
SBERB
ODE
Pin
X
X
X
8
0
1
1
0
0
1
1
1
Description
CBERL
OSB
Bit
X
X
0
1
X
X
X
0
0
1
X
7
BHIZ
SBERL
Bit
X
X
X
X
X
X
X
0
1
0
1
6
to LSTo63
BMS
LSTo0
Active
Active
5
HiZ
HiZ
HiZ
HiZ
HiZ
HiZ
HiZ
HiZ
HiZ
MBP
4
to BSTo63
BSTo0
Driven
Driven
Driven
Driven
Driven
Active
Active
OSB
High
High
High
High
High
HiZ
HiZ
HiZ
HiZ
3
MS2
MT90868
2
LCSTo0
LCSTo3
Driven
Driven
Driven
Driven
Driven
Driven
Driven
Driven
Active
Active
High
High
High
High
High
High
High
High
HiZ
MS1
to
1
MS0
0
29