Oki 3391, Microline Printer, 3390 specifications Wrl

Models: 3390 Microline Printer 3391

1 148
Download 148 pages 31.58 Kb
Page 16
Image 16

(6)LSI

This LSI detects and controls the SP motor speeds by monitoring the two phase sensor signals obtained from the DC motors and modifying the excitation phases as appropriate.

This LSI is connected in multiplex to the MPU.

MPU

P07

RD

WRL

P01

Clockout*

A0~A19

LSICS

ALE

D0~D15

(Read)

LSI

A/D bus

ALE

RDN

WRL

LSIC

AddressData

RD

D0~D15

(Write)

WRL

AddressData

* Clockout is provided when the original excitation is selected.

2 – 7

Page 16
Image 16
Oki 3391, Microline Printer, 3390 specifications Wrl