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UDA1331H

Universal Serial Bus (USB) Audio Playback Peripheral (APP)

Philips Electronics 

Philips Semiconductors

Universal Serial Bus (USB) Audio

Playback Peripheral (APP)

Preliminary specification

UDA1331H

SYMBOL PIN I/O

DESCRIPTION

n.c.

41

− not connected

Vref

42

O reference output voltage

n.c.

43

− not connected

VSSA

VDDA

VOUTR

44

− analog ground

45

− analog supply voltage

46

O right channel output voltage

n.c.

47

− not connected

n.c.

VSSO

n.c.

48

− not connected

49

− operational amplifier ground

50

− not connected

VDDO

n.c.

51

− operational amplifier supply voltage

52

− not connected

VOUTL

53

O left channel output voltage

n.c.

54

− not connected

TC

55

I test control input (active HIGH)

P0.0

56 I/O Port 0.0 of the microcontroller

P0.1

57 I/O Port 0.1 of the microcontroller

P0.2

58 I/O Port 0.2 of the microcontroller

P0.3

59 I/O Port 0.3 of the microcontroller

P0.4

60 I/O Port 0.4 of the microcontroller

RTCB

61

I asynchronous reset input for test control box (active HIGH)

P0.5

62 I/O Port 0.5 of the microcontroller

P0.6

63 I/O Port 0.6 of the microcontroller

GP0/BCKI

64 I/O general purpose pin 0 or master bit clock input

1998 Oct 06

6

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