WM8816-MICRO-EV1M 查看數據表（PDF） - Wolfson Microelectronics plc

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WM8816-MICRO-EV1M

WM8816 Micro-Controller Board User Handbook

Wolfson Microelectronics plc 

KEY FUNCTION SUMMARY

WM8816-MICRO-EV1M

KEY

↑

VOL.

↓

VOL.

←

BAL.

→

BAL.

CENTRE

BAL.

MUTE

DISP.

P.REF

FUNCTION

Increments the output gain in 0.5 dB steps

Decrements the output gain in 0.5dB steps

Shifts the Balance towards the left channel in 0.5

dB steps.

Shifts the Balance towards the right channel in

0.5 dB steps.

Makes the output gain from each channel equal.

Mutes the output of the WM8816 Volume Control

Chip. Pressing again un-mutes the device.

Cycles through the three output display modes

Volume, Balance and Peak Reference.

Sets the Peak Reference Register

P.STAT

Reads the Peak Status Register. LED’s

D1,D2,D3, & D4 used to display the result

FRONT

Selects the Front speakers as those currently

under control of the Micro-Controller board.

(6 Channel Mode Only).

REAR

CENTRE

/ LFE

Selects the Rear speakers as those currently

under control of the Micro-Controller board.

(6 Channel Mode Only).

Selects the Centre & LFE speakers as those

currently under control of the Micro-Controller

board (6 Channel Mode Only).

Table 2 Key Function Summary

w

Rev 1.1, December 2002

7

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