MC145574AAC Freescale Semiconductor, MC145574AAC Datasheet - Page 112

• Manufacturer Part Number: MC145574AAC
• Description: IC TRANSCEIVER ISDN 32-LQFP
• Manufacturer: Freescale Semiconductor
• Type: Transceiverr

Specifications of MC145574AAC

• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 32-LQFP
• Number Of Line Interfaces: 1
• Control Interface: HDLC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Drivers/receivers: -
• Protocol: -
• Lead Free Status / Rohs Status: Compliant

13–6
An example architecture of an NT2 is shown in Figure 13–3. The TFSC signal supplied by the TE
in slave mode is used via a clocksource selector to synchronize the whole NT2 to the network.
S–INTERFACE
SUBSCRIBER
LINES
S
S
S
S
NT
NT
NT
NT
Freescale Semiconductor, Inc.
For More Information On This Product,
SYNC
SYNC
SYNC
SYNC
DATA
DATA
DATA
DATA
CLK
CLK
CLK
CLK
Go to: www.freescale.com
Figure 13–3. NT2 Architecture
MC145574
CLK
TSA CONTROLLER
SYNC AND CLOCK
FSC SOURCE
GENERATOR
SELECTOR
FRAME SYNC
CONTROL
BUS
TFSC
CLK
SYNC
DATA
TFSC
CLK
SYNC
DATA
TFSC
CLK
SYNC
DATA
TFSC
CLK
SYNC
DATA
TO CENTRAL OFFICE(S)
TE
TE
TE
TE
MOTOROLA
T–INTERFACE
TRUNK LINES
T
T
T
T