APLUS 巨華積体電路股份有限公司
AVxx16 Serie
APPLICATION CIRCUIT:
A> IO1 -- COUT ; IO2 -- LED ; IO3 -- CONTROL INPUT.
Rosc
busy,3Hz,6Hz,or dynamic
VDD
IO2
IO1
TG
LED
S ( 8 ohm SPEAKER )
IO3
T ( 8050 )
GND
B> IO1 -- LED ; IO2,IO3 --8,32,64 ohm SPEAKER OR BUZZER.
Rosc
VDD
busy,3Hz,6Hz,or dynamic
IO1
IO2
TG
LED
IO3
GND
S (BUZZER OR 8,32,64 ohm SPEAKER )
C> IO1 -- COUT ; IO2,IO3 -- 8,32,64 ohm SPEAKER OR BUZZER.
Rosc
S ( 8 ohm SPEAKER )
T ( 8050 )
VDD
IO1
IO2
TG
IO3
GND
S (BUZZER OR 8,32,64 ohm SPEAKER )
1>Rosc=300K ohm ( Rosc=180K ohm in AMA140A ) ( typical ) , or use internal Rosc ( it must be determined before operation )
Tbata=130( typical )
NOTE:
2>BUZZER:resonant frequency should around 1KHz.
3>Input switch could be replace by CDS.
4>COUT,PWM1,PWM2 are tristate during standby.
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2002-Rev.2
APLUS [ APLUS INTERGRATED CIRCUITS ]
