GM0936TQ 查看數據表（PDF） - Hyundai Micro Electronics

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GM0936TQ

Voice-Band Audio CODEC for CDMA

Hyundai Micro Electronics 

GM0936TQ

Pin Description

ANALOG SIGNALS

TERMINAL

NAME

AGND

AVcc

EARA

EARB

EARGS

EARMUTE_

MICBIAS

MICGS

MICIN

MICMUTE_

VMID

ETMIC

LQFP SOP&DIP I/O DESCRIPTION

34

16

4

5

44

2

45

3

46

4

17

10

42

20

41

19

40

18

11

6

36

17

39

N/A

Analog Ground

Analog Power (3V)

O Earphone output

O Side-tone output

I Side-tone input

I Earphone output mute control signal

O Microphone bias

O Output of the internal microphone amplifier

I Microphone input

I Microphone input mute

Bias voltage reference. A pair of external, low-

O

leakage, high-frequency capacitors (1 µF and

470 pF) should be connected between VMID

and ground for filtering

I Hand-free MIC-IN

MICSEL

38

N/A

MIC-IN selection input. When float or

I low, MICSEL selects MICIN. When high,

MICSEL selects EXTMIC.

4

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