AKD4632 Datasheet, PDF (15/48 Pages) Asahi Kasei Microsystems – AK4632 Evaluation board Rev.0

ASAHI KASEI
[AKD4632-A]
(C-3) Analog signal of SPP/SPN pins are output “Dynamic Speaker” on the evaluation (SPK1).
JP13
SPP_SEL
JP14
SPN_SEL
JP31
Dynamic
Dynamic Dynamic(EXT) Dynamic Dynamic(EXT)
Piezo(EXT)
Piezo(EXT)
(3) BEEP/MIN/MOUT Input and Output Circuit
C24
1u
2
1
J4
JP15
BEEP/MIN/MOUT
MIN/MOUT OUT
R16
2
20k
C25
3
0.1u
1
IN
AVSS
MR-552LS
AVSS
C26
JP16
1u
MOUT
2
1
MIN
BEEP
R19
R18
BEEP/MIN/MOUT
47k
20k
AVSS
Figure 8. BEEP/MIN/MOUT Input and Output Circuit
(3-1) Analog signal is input to MIN pin from J4 connector.
JP15
JP16
MIN/MOUT
BEEP/MIN/MOUT
IN OUT
MOUT
MIN
BEEP
MOUT
MIN
BEEP
(3-2) Analog signal of MOUT pin is output from J4 connector.
JP15
MIN/MOUT
IN OUT
JP16
BEEP/MIN/MOUT
MOUT
MIN
BEEP
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2005/04