having problem with APR9600

[udaysalgatti]

Sir,

I have recorded 8 different messages in APR9600 but when i connect to 89s52, only first message will play not all .
so what is the problem . this is my prg
e,g.
(
mov a,#11101111b
mov p3,a ;msg 4
acall longtime1

mov a,#11110111b
mov p3,a ;msg 5
acall longtime1

mov a,#11111011b
mov p3,a ;msg 6
acall longtime1
)




second thing if any switch is pressed in room means like bulb,fan, the APR circuit stops working and busy LED will glow.

Can any body help me?

 

[Tahmid]

second thing if any switch is pressed in room means like bulb,fan, the APR circuit stops working and busy LED will glow.

Can any body help me?

Do you have sufficient decoupling? Place bypass/decoupling capacitors across all power lines.