MT90870AG Zarlink, MT90870AG Datasheet - Page 70

• Manufacturer Part Number: MT90870AG
• Description: Switch Fabric 12K x 12K/8K x 4K 1.8V/3.3V 272-Pin BGA Tray
• Manufacturer: Zarlink

Specifications of MT90870AG

• Package: 272BGA
• Number Of Ports: 32
• Fabric Size: 12K x 12K|8K x 4K
• Switch Core: Non-Blocking|Blocking
• Port Speed: 2.048|4.096|8.192|16.384 Mbps
• Operating Supply Voltage: 1.8|3.3 V

13.15
Address 3FFFh
The revision control register stores the binary value of the silicon revision number. This register is read only. The
RCR register is configured as follows:
15-4
Bit
3-0
Bit
3
2
1
0
Revision Control Register
BISTPCB
BISTCCL
BISTSCL
BISTPCL
Name
Reserved
RC(3:0)
Name
Reset
Table 49 - Memory BIST Register (MBISTR) Bits (continued)
0
0
0
0
defined by silicon
Table 50 - Revision Control Register (RCR) Bits
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.
Reset Value
0
Zarlink Semiconductor Inc.
MT90870
Reserved.
Revision Control Bits.
70
Description
Description
Data Sheet