Datasheet Details
| Part number | MT8920B |
|---|---|
| Manufacturer | Mitel Networks Corporation |
| File Size | 482.87 KB |
| Description | ST-BUS Parallel Access Circuit |
| Datasheet |
 MT8920B Datasheet
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General Description
The ST-BUS Parallel Access Circuit (STPA) provides a simple interface between Mitel’s ST-BUS and parallel system environments.
Applications Parallel control/data access to T1/CEPT digital trunk interfaces Digital signaKey Features
- High speed parallel access to the serial ST-BUS Parallel bus optimized for 68000 µP (mode 1) Fast dual-port RAM access (mode 2) Access time: 120 nsec Parallel bus controller (mode 3) - no external controller required Flexible interrupt capabilities - two independent/programmable interrupt sources with auto-vectoring Selectable 24 and 32 channel operation Programmable loop-around modes Low power CMOS technology ISSUE 6 June 1996 Ordering Inform.