mt90868ag2 Zarlink Semiconductor, mt90868ag2 Datasheet - Page 36

• Manufacturer Part Number: mt90868ag2
• Description: 32,768 X 8,192 Channels High Bandwidth Digital Switch With Up To 128 Streams On Backplane And 128 Streams On Local And Data Rates From 8 To 32 Mbps
• Manufacturer: Zarlink Semiconductor

36
BHIZ
2 - 0
15
Read/Write Address: 0000
Reset Value: 0000
Bit
3
LOCAEN
14
MS2 - 0
Name
OSB
H
LICDEN
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
BIME
the LDMRSR register can be read.
selected by the BDMRSR registers can be read.
Pin
1
1
1
1
0
0
0
0
0
0
Table 5 - Control Register (CR) Bits (continued)
STBY
11
RESET
Pin
PRST
0
1
1
1
0
1
1
1
1
1
10
CBERB
ODE
Pin
Zarlink Semiconductor Inc.
X
X
0
1
1
0
0
1
1
1
9
SBERB
OSB
Bit
X
X
X
X
X
0
1
0
0
1
8
BHIZ
Description
CBERL
Bit
X
X
X
X
X
X
0
1
0
1
7
to LSTo63
SBERL
LSTo0
Active
Active
HiZ
HiZ
HiZ
HiZ
HiZ
HiZ
HiZ
HiZ
6
BMS
5
to BSTo63
BSTo0
Driven
Driven
Driven
Driven
Driven
Active
Active
High
High
High
High
High
HiZ
HiZ
HiZ
MBP
4
OSB
to LCSTo3
3
LCSTo0
Driven
Driven
Driven
Driven
Driven
Driven
Driven
Driven
Active
Active
High
High
High
High
High
High
High
High
MS2
Data Sheet
2
MS1
1
MS0
0