EM57P300 Ver la hoja de datos (PDF) - ELAN Microelectronics
Número de pieza
componentes Descripción
Fabricante
EM57P300 Datasheet PDF : 8 Pages
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APPLICATION CIRCUIT
Preliminary
EASYSOUND- EM57P300SERIES
TINYCONTROLLER-BASED
SOUND PROCESSOR
In the following application circuits:
*1 : For heavy loading application, adding an electrolytic capacitor between Vcc and Ground is recommanded.
The recommanded value for button cell application is 10µF.
*2 : The recommanded value for button cell application is 750Ω or less.
4-key Application Circuit
*1
VCC
TR1
TR2
TR3
U1
TR4
VCC
15
14
P1.0
P1.1
13 P1.2
12 P1.3
P2.0 11
P2.1 10
P2.2 9
P2.3 8
1 VDD
17
18
16
OSC
TEST
VSS
P3.0 7
P3.1 5
P3.2 4
P3.3 3
VO 2
VCC
NPN
Rb*2
16-key Application Circuit
*1
VCC
U1
15 P1.0
14 P1.1
13 P1.2
12 P1.3
1
17
18
VDD
OSC
TEST
16 VSS
P2.0 11
P2.1 10
P2.2 9
P2.3 8
P3.0 7
P3.1 5
P3.2 4
P3.3 3
VO 2
TR1
TR2
TR3
TR4
TR5
TR6
TR7
TR8
TR9
TR10
TR11
TR12
TR13
TR14
TR15
TR16
VCC
NPN
Rb*2
* This specification are subject to be changed without notice.
10.15.2001 5
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