Oki Microline 3320 - Page 15

2 – 6
(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.
P07
MPU
A/D bus
LSI
RD
WRL
P01
ALE
RDN
WRL
LSIC
Clockout*
A0~A19
LSICS
ALE
D0~D15
(Read)
RD
D0~D15
(Write)
WRL
Address
Address
Data
Data
* Clockout is provided when the original
excitation is selected.