MT8920BP

MT8920BP

ST-BUS Parallel Access Circuit

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

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MT8920BP

ST-BUS Parallel Access Circuit

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