EN 43
3139 785 33120
8.
IC description
8
IC Description
8.1
Analog Board
IC7304 - Multistand Sound Processor Family
BLOCK DIAGRAM
MSP34x5G
D_CTR_I/O-1
D_CTR_I/O-0
SC1_OUT_R
SC1_OUT_L
I2S_DA_OUT
DACM_R
DACM_L
26
27
16
30
31
8
9
ANA_IN-
I2S_DA_IN1
I2S_DA_IN2
ASG
SC1_IN_L
SC1_IN_R
SC2_IN_L
SC2_IN_R
MONO_IN
ADR_SEL
I2C_CL
I2C_DA
13
12
10
43
37
38
40
41
39
21
17
2
3
18
ADR_CL
I2S_WS
XT
AL_IN
I2S_CL
XT
AL_OUT
14
15
5
6
A
VSS
44
AHVSS
AGNDC
DVSS
VREF1
VREF2
VREFT
OP
RESETQ
ST
ANDBYQ
TESTEN
TP
7
4
11
22
42
25
29
20
36
35
CAPL_M
34
DVSUP
A
VSUP
AHVSUP
33
19
1
N.C.
23 24 28 32
N.C.
N.C.
N.C.
De-
Modulator
Pre-
processing
Source
select
Pre-
processing
ADC
ADC
Prescale
SCART
DSP
input
select
Loud-
speaker
sound
proeessing
Loud-
speaker
sound
proeessing
DAC
DAC
SCART
Output
select
X'tal
Oscillator
I
2
S
Control
I
2
C
Control
ADR BUS
Figure 8-8