Iruuljlfljuir, Pdr-04 – Pioneer PDR-04 User Manual

Page 87

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PDR-04

(4) Communication with digital interface LSI

(LC89585, IC301)

Communication format

Communication with the digital interface LSI is performed
using four lines.
XFUSE is set to L during communication so that there are no

clashes with the mechanism controller.

(5) Communication with Analog Input ATT LSI

(LM1972M)

Confirm that the communication is performed by the
following procedure.

• FSCK..........Serial transmission clock (1 MHz)
• FSI/FSO.. Serial data transmission line
• AATLAT Data enable

• FSI/FSO .. Serial data transmission line
• BLREQ ... Data enable
• XFUSE.... L when the mode controller is using the

communication line

Communication is performed in one main routine.
The communication timing is controlled by the mode
controller.

No transmission is performed during communication between

the mechanism controller and LC89585.

(Command control)

LREQ

FSCK

FSO

FSI

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Control data

(Data reading)