CMX649 Ver la hoja de datos (PDF) - CML Microsystems Plc
Número de pieza
componentes Descripción
Fabricante
CMX649 Datasheet PDF : 50 Pages
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ADM Codec
3. Signal List
SOIC (D3) TSSOP (E3)
Package Package
Signal
CMX649
Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Name
STRB
ENC VAD
VDD
MIC OUT
MIC +
MIC -
VBIAS
AUDIO
OUT
VSS
DEC VAD
RX DATA
RX CLK
XTAL/CLK
IRQN
RPLY
CMD
SCLK
CSN
TX CLK
TX DATA
Type
Digital Input
Digital Output
Power
Analog Output
Analog Input
Analog Input
Analog Output
Analog Output
Power
Digital Output
Digital Input
Digital I/O
Analog Input
Digital Output
Digital Output
Digital Input
Digital Input
Digital Input
Digital I/O
Digital Output
Strobe signal for 8/16 buffered serial I/O.
Encoder voice activity detector output.
Positive supply rail.
Analog output signal from microphone
amplifier.
Analog non-inverting input to
microphone amplifier.
Analog inverting input to microphone
amplifier.
VDD/2 – Not suitable for external
applications without buffering. Pin
should be decoupled to VSS with a
capacitor (>1µF).
Analog Output signal from decoder.
Negative supply rail (Ground).
Decoder voice activity detector output.
Received signal serial data input.
Decoder data clock.
4 – 16 MHz crystal oscillator input.
)
)
) C-BUS control signals.
)
)
Clock signal for encoded data out.
Encoded data output.
Notes: I/O
NC
= Input/Output
= No Connection
© 2003 CML Microsystems Plc
4
D/649/2
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