System Control And Status Registers; Sources Of Reset; Vme Interface - Motorola MVME5500 Installation And Use Manual

The M48T37V consists of two parts:
The SNAPHAT battery package is mounted on top of the SOIC
MT48T37V device after the completion of the surface mount process. The
battery housing is keyed to prevent reverse insertion.

System Control and Status Registers

The MVME5500 CPU board contains System Control and Status
Registers mapped into Bank 1 of the GT-64260B device bus interface.
Refer for the MMVE5500 Single-Board Computer Programmer's
Reference Guide for details.

Sources of Reset

The sources of reset on the MVME5500 are the following:

VME Interface

The MVME5500 provides a Universe II controller for the VMEbus
interface.
http://www.motorola.com/computer/literature
A 44-pin 330mil SOIC device that contains the RTC, the
oscillator, 32KB of SRAM, and gold-plated sockets for the
SNAPHAT battery.
A SNAPHAT battery that houses the crystal and the battery.
Power-up
Abort/Reset Switch
NVRAM Watchdog Timer
GT-64260B Watchdog Timer
System Control register bit
VME Bus Reset
System Control and Status Registers
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