Motorola M68CPU32BUG Instrukcja Użytkownika Strona 57

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SUPPORT INFORMATION
M68332BCC/D 5-1 MOTOROLA
REV 1
CHAPTER 5
SUPPORT INFORMATION
5.1 INTRODUCTION
This chapter provides the connector signal descriptions.
5.2 CONNECTOR SIGNAL DESCRIPTIONS
Connectors P1 and P2 connect the BCC to a target system. Connector P3 is for background
mode. Connector P4 is for serial communication between the BCC and a host computer.
Pin assignments for P1, P2, P3 and P4 are defined in Tables 5-1 through 5-4. Connector signals
are identified by pin number, signal mnemonic, and signal name and description.
Table 5-1. P1 Expansion Connector Pin Assignments
Pin Number
Signal Mnemonic
Signal Name And Description
1, 2 GND GROUND
3, 4 +5V SYSTEM POWER SUPPLY – +5 volt power source.
5 DTROUT DATA TERMINAL READY – RS-232C handshake from
the BCCDI.
6 — 24 A0 — A18 ADDRESS BUS – Three-state output address bus.
25 NC No Connection
26 NC No Connection
27 +13—24V DI +13—24 VOLTS DEVELOPMENT INTER-FACE
BCCDI switching voltage.
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