Oki MICROLINE 320 Turbo Maintenance Manual page 14

(5) 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.
42089201TH Rev.4
MPU
A/D bus
P07
RD
WRL
P01
Clockout*
A0~A19
LSICS
ALE
D0~D15
Address
(Read)
RD
D0~D15
Address
(Write)
WRL
LSI
ALE
RDN
WRL
LSIC
Data
Data
* Clockout is provided when the original
excitation is selected.
Oki Data CONFIDENTIAL
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