PCF50732H/F1 데이터 시트보기 (PDF) - Philips Electronics

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PCF50732H/F1

Baseband and audio interface for GSM

Philips Electronics 

Philips Semiconductors

Baseband and audio interface for GSM

Objective specification

PCF50732

PIN

SYMBOL

NR. TYPE(1)

ACTIVE

LEVEL

ACTIVE

EDGE

IDD

DESCRIPTION

AUXDAC3 33 O

−

−

− auxiliary DAC output for power ramping; maximum load

50 pF, ±600 µA

VDDA(ref)

34

P

−

VSSA(ref)

35

G

−

Vref

36 I/O

−

VDDA(vb)

37

P

−

AUXMICP 38

I

−

AUXMICN 39

I

−

−

− reference voltage power supply (analog)

−

− reference voltage ground (analog)

−

− band gap reference voltage noise decoupling

−

− voice band voltage power supply

−

− auxiliary microphone differential positive input

−

− auxiliary microphone differential negative input

MICP

40

I

−

−

− microphone differential positive input

MICN

41

I

−

−

− microphone differential negative input

VSSA(vb)

42

G

−

−

− voice band ground

BUZ

43 O

−

−

− buzzer output

AUXSP 44 O

−

−

− auxiliary speaker output

EARN

45 O

−

−

− earphone differential negative output

EARP

46 O

−

−

− earphone differential positive output

VDDA(vbo)

47

P

−

−

− voice band output buffer voltage power supply (analog)

VSSA(vbo)

48

G

−

−

− voice band output buffer ground (analog)

Note

1. O/TS = 3-state output.

1999 May 03

7

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