MT90221 Zarlink Semiconductor, MT90221 Datasheet - Page 90

• Manufacturer Part Number: MT90221
• Description: Quad Inverse Multiplexing For Atm (IMA) Device With Flexible Ima And Uni Mode
• Manufacturer: Zarlink Semiconductor

ATM LAYER
UTOPIA
BUS
Dejittered TX CLK
BUS
2.048 MHz)
(1.544 or
Transmit Clock Dejittering
MT90221
PLLREF0-1
REFCK0-3
Function
MT9042
Figure 22 - PCM MODE 1 and 3: Generic PCM System Interface
TXSYNCo[3]
TXSYNCo[0]
RXSYNCi[3]
RXSYNC[0]
TXCKi[3]
RXCKi[3]
RXCKi[0]
TXCKi[0]
DSTo[3]
DSTo[0]
DSTi[3]
DSTi[0]
(For Applications with Asynchronous Lines)
8 kHz [T3]
8 kHz [R3]
8 kHz [T0]
8 kHz [R0]
External
Source
PCM Data
PCM Data
1.544 or 2.048 MHz
1.544 or 2.048 MHz
1.544 or 2.048 MHz
1.544 or 2.048 MHz
PCM Data
Framers
Framers
Framers
T1/E1
T1/E1
T1/E1
Legacy Trunks
at 1.5 or 2 Mbps
Legacy Trunks
at 1.5 or 2 Mbps
Legacy Trunks
at 1.5 or 2 Mbps
MT90221
81