Table of Contents
Advertisement
B. Audio Board
1. Audio processor
ICA2 (PT2313L) is a four-channel digital audio processor utilizing
CMOS Technology. Volume, Bass, Treble, Balance, Front/Rear
Fader Processor is incorporated into a single chip. Loudness function and
Selectable input gain are also provided to build a highly effective electronic
Audio processor having the highest performance and reliability with the
Least external components. And all functions are programmable using the
IIC BUS
PIN#
PIN NAME
1
REF
2
VDD
3
Agnd
4
Treb_L
5
Treb_R
6
RIN
7
Rout
8
Loud_R
9
Rin 3
10
Rin 2
11
Rin 1
12
Loud_L
13
Lin 3
14
Lin 2
15
Lin 1
16
LIN
17
Lout
18
Bin _L
19
Bout _L
20
Bin _R
21
Bout _R
ViewSonic Corporation
I/O
DESCRIPTION
-
Analog reference voltage (1/2 VDD)
-
Supply input voltage
-
Analog ground
I
Left channel input for treble control
I
Right channel input for treble control
I
Audio processor right channel input
O
Gain output& input selector for right channel
I
Right channel loudness input
I
Right channel input 3
I
Right channel input 2
I
Right channel input 1
I
Left channel loudness input
I
Light channel input 3
I
Light channel input 2
I
Light channel input 1
I
Audio processor left channel input
O
Gain output& input selector for left channel
I
Left bass controller input channel
O
Left bass controller output channel
I
Right bass controller input channel
O
Right bass controller output channel
34
Confidential – Do Not Copy
VX500+-1
- Quick Links:
- Fine Tune
Hide quick links:
Advertisement
Table of Contents
