MT90869AG Zarlink, MT90869AG Datasheet - Page 68

• Manufacturer Part Number: MT90869AG
• Description: Switch Fabric 16K x 16K/8K x 8K 1.8V/3.3V 272-Pin BGA Tray
• Manufacturer: Zarlink

Specifications of MT90869AG

• Package: 272BGA
• Number Of Ports: 64
• Fabric Size: 16K x 16K|8K x 8K
• Switch Core: Non-Blocking|Blocking
• Port Speed: 8.192|4.096|2.048 Mbps
• Operating Supply Voltage: 1.8|3.3 V

The MBISTR register is configured as follows:
15-13
Bit
12
10
11
9
8
7
6
5
4
3
2
1
0
BISTCDB
BISTCCB
Reserved
BISTSDB
BISTPDB
BISTCDL
BISTSCB
BISTPCB
BISTCCL
BISTSDL
BISTPDL
BISTSCL
BISTPCL
LV_TM
Name
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Table 49 - Memory BIST Register (MBISTR) Bits
Reserved.
MBIST Test enable.
High for MBIST mode, Low for scan mode.
Backplane Data Memory Start BIST sequence.
Sequence enabled on LOW to HIGH transition.
Backplane Data Memory BIST sequence completed. (Read only).
High indicates completion of Memory BIST sequence.
Backplane Data Memory Pass/Fail Bit (Read only).
This bit indicates the Pass/Fail status following completion of the Memory BIST
sequence. A HIGH indicates Pass, a LOW indicates Fail.
Local Data Memory Start BIST sequence.
Sequence enabled on LOW to HIGH transition.
Local Data Memory BIST sequence completed. (Read only).
High indicates completion of Memory BIST sequence.
Local Data Memory Pass/Fail Bit (Read only).
This bit indicates the Pass/Fail status following completion of the Memory BIST
sequence. A HIGH indicates Pass, a LOW indicates Fail.
Backplane Connection Memory Start BIST sequence.
Sequence enabled on LOW to HIGH transition.
Backplane Connection Memory BIST sequence completed. (Read only).
High indicates completion of Memory BIST sequence.
Backplane Connection Memory Pass/Fail Bit (Read only).
This bit indicates the Pass/Fail status following completion of the Memory BIST
sequence. A HIGH indicates Pass, a LOW indicates Fail.
Local Connection Memory Start BIST sequence.
Sequence enabled on LOW to HIGH transition.
Local Connection Memory BIST sequence completed. (Read only).
High indicates completion of Memory BIST sequence.
Local Connection Memory Pass/Fail Bit (Read only).
This bit indicates the Pass/Fail status following completion of the Memory BIST
sequence. A HIGH indicates Pass, a LOW indicates Fail.
Zarlink Semiconductor Inc.
MT90869
68
Description
Data Sheet