MT90870AG Zarlink, MT90870AG Datasheet - Page 67

• 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

13.12
13.12.1
Address 00CDh to 00DCh.
Sixteen Local Input Bit Rate Registers allow the bit rate for each individual stream to be set to 2, 4, 8 or
16 Mb/s. The LIBRR registers are configured as follows:
13.12.2
Address 00EDh to 00FCh.
Sixteen Local Output Bit Rate Registers allow the bit rate for each individual stream to be set to 2, 4, 8 or 16 Mb/s.
The LOBRR registers are configured as follows:
(for n=0 to 15)
(where n = 0 to 15)
LIBRn
LOBRn Bit
15-2
1-0
15-2
1-0
Local Bit Rate Registers
Local Input Bit Rate Registers (LIBRR0-15)
Local Output Bit Rate Resisters (LOBRR0-15)
Reserved
LIBR(1:0)
Name
LOBR(1:0)
Reserved
Name
Table 42 - Local Input Bit Rate (LIBR) Programming Table
Table 43 - Local Output Bit Rate Register (LOBRRn) Bits
Table 44 - Output Bit Rate (LOBR) Programming Register
Table 41 - Local Input Bit Rate Register (LIBRRn) Bits
LIBR1
LOBR1
Reset
0
0
1
1
0
0
0
0
1
1
Reset
0
0
Reserved
Local Input Bit Rate
Zarlink Semiconductor Inc.
LOBR0
LIBR0
0
1
0
1
0
1
0
1
MT90870
Reserved
Local Output Bit Rate
67
Bit rate for stream n
Bit rate for stream n
16 Mb/s
2 Mb/s
4 Mb/s
8 Mb/s
16 Mb/s
2 Mb/s
4 Mb/s
8 Mb/s
Description
Description
Data Sheet