Peripheral Control Card; Brief Description; Major; Facilities - Mitel SX-200 Manual

8. PERIPHERAL CONTROL CARD

Brief

Major

Facilities

Description
8.01 The Peripheral Control card is located in slot 20 of an analog
peripheral shelf. It controls the analog cards on instructions
from the Main Control Card. Figure 8-l shows the front faces of the
Peripheral Control Card,
the Main Control Card.
Components
Major components
8.02
clude:
l 6809 microprocessor running at 1.33 MHz
l
Memory: 8K EPROM, 32K RAM
l
Peripheral Clock
8.03 Facilities for the Peripheral Control Card include:
Peripheral I/O Timing Generator for the bays it controls
Peripheral Address
Power Fail Monitor: a local bay reset is generated if any power
rail drops below 95%. of its nominal level.
Status Flag Buffer.
Circuit
the Scanner and Digital
provided by the Peripheral
Oscillator.
Decoder
Card Descriptions
Interface cards and
Control Card in-
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