LC78624E Datasheet, PDF (23/27 Pages) Sanyo Semicon Device – Compact Disc Player DSP

LC78624E
22. Reset Circuit; Pin 58: RES
When power is first applied, this pin should be briefly set low and then set high. This will set the muting to –∞ dB
and stop the disk motor.
Constant linear velocity servo
START
STOP
BRAKE
CLV
Muting control
0 dB
–∞
Q subcode address conditions
Address 1
Address free
Track jump mode
Standard
New
Track count mode
Standard
New
OSC
ON
OFF
Playback speed
Normal speed
Double speed
Setting the RES pin low sets the LC78624E to the settings enclosed in boxes in the table.
A09923
23. Other Pins; Pin 2:TAI, pin 64: TEST1, pin 11: TEST2, pin 32: TEST3, pin 33: TEST4, pin 62: TEST5, pin 59:
TST11
These pins are used for testing the LSI’s internal circuits. Even though pull-down resistors are built into the TAI and
TEST2 to TEST5 input pin circuits, these pins must be connected to 0 V during normal operation. TST11 is an output
pin and should normally be left open.
No. 5811-23/27