LA74308LP_08 SANYO [Sanyo Semicon Device], LA74308LP_08 Datasheet - Page 5

• Manufacturer Part Number: LA74308LP_08
• Description: Audio Interface for DSC
• Manufacturer: SANYO [Sanyo Semicon Device]

POWER ON RESET Condition (SERIAL communication)
The POWER ON RESET state covers a period up to the rise
PULSE
communication.
Actually, because of delay of several hundreds ns in the IC, the first DATA condition begins in
SERIAL communication condition begins after
POWER ON PULSE
(Signal inside IC)
STANDBY control
(Pin 3)
Power Supply
POWER ON RESET
(IC inside)
Data
(Pin 8)
Clock
(Pin 7)
C.S.
(Pin 6)
generated inside IC when the power is supplied and the STANDBY control is canceled.
H
H
H
H
H
H
H
L
L
L
L
L
L
L
HIGH to cancel STANDBY
HIGH period for about 2ms
POWER ON RESET (default) state
.
Dummy Data
LA74308LP
(First C.S.)
Dummy communication
of the second C.S. input after fall
First Data
(Second C.S.)
First DATA communication
SERIAL communication
condition
(First DATA hold)
and the normal
of POWER ON
Delay of several
hundreds ns
is the dummy
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