Elan eSL Series Manuel d'utilisateur télécharger pdf (Page 13)

eSL Series

16 Bits DSP Sound Processor

Product Specification (V1.7) 10.15.2009 •

••

• 9

(This specification is subject to change without further notice)

6.2 System Control

Name Type Description

RSTB I RSTB is the low active global reset input*

TEST I

Test mode select pin (High active). Internal pull down.

For chip internal test only, normally connect to VSS.

OSCI I

Crystal or RC oscillator connecting pin

RC or Crystal selection is by OSCS pin

OSCO O Crystal oscillator connecting pin

OSCS I

RC or Crystal selection: 0 = RC

1 = Crystal

PLLC I PLL loop filter capacitor **

This pin has an internal pull-up 150KΩ resistor, refer to the Application Circuit

This pin must connect a 47nF capacitor to ground, refer to the Application Circuit

6.3 DAC Output

Name Type Description

DACO O Current D/A output pin

6.4 Two-stage Amplifier & Touch Pad Positioning

Name Type Description

AMPO O Post Amplifier output

MIC I

Microphone signal input

(AC coupling from microphone signal)

AGC I Automatic Level Control adjustment pin

Xn I Touch Pad positioning for X axis under negative voltage level

Yn I Touch Pad positioning for Y axis under negative voltage level

XP/ADIN0 I

Touch Pad positioning for X axis under positive voltage level

Analog input channel 0

YP/ADIN1 I

Touch Pad positioning for Y axis under positive voltage level

Analog input channel 1

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 19 20 21

Pas de commentaire

Elan eSL Series Manuel d'utilisateur Page 13