mt89l80ap Mitel, mt89l80ap Datasheet - Page 8

• Manufacturer Part Number: mt89l80ap
• Description: Cmos St-bus Family Digital Switch
• Manufacturer: Mitel

MT89L80
2-10
Controlling
Processor
Micro-
Figure 8 - Example Architecture of a Simple Digital Switching System
Signalling
Control &
Speech
Switch
89L80
89L80
-
-
STo0-7
8
STi0-7
8
STo0-7
8
STi0-7
8
with Codec (e.g. 8964)
with Codec (e.g.8964)
Line Interface Circuit
Line Interface Circuit
Repeated for Lines
2 to 255
•
•
•
Advance Information
Line 256
Line 1
Repeated for Lines
2 to 255
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•
•