Port A Interface - Motorola DSP56000 Manual

SECTION 8.1 PORT A OVERVIEW ..................................................................3
SECTION 8.2 PORT A INTERFACE .................................................................3
8.2.1 Read/Write Control Signals .................................................................5
8.2.1.1 Program Memory Select (PS) ..................................................... 5
8.2.1.2 Data Memory Select (DS) ........................................................... 5
8.2.1.3 X/Y Select (X/Y) .......................................................................... 5
8.2.2 Port A Address and Data Bus Signals ................................................5
8.2.2.1 Address (A0–A15) ...................................................................... 6
8.2.2.2 Data (D0–D23) ............................................................................ 6
8.2.3 Port A Bus Control Signals ..................................................................6
8.2.3.1 Read Enable (RD) ...................................................................... 6
8.2.3.2 Write Enable (WR) ...................................................................... 6
8.2.3.3 Port A Access Control Signals .................................................... 6
8.2.4 Interrupt and Mode Control .................................................................6
8.2.5 Port A Wait States ...............................................................................6
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SECTION CONTENTS
PORT A MOTOROLA