User Guide

17
17
DN-X1500
TC94A32F (IC502,505,508,511,513)
BU2152FS (IC305,701,702,703,704)
L/R-TVR-REF
20kohm
L/R-TVR-IN
L/R-TVR-OUT
L/R-MVR-OUT
50kohm
20kohm
L/R-MVR-AGND
L/R-MVR-IN
28
272
1613
1712
1811
1910
209
218
227
236
245
254
26
VDD
Trim VR
0~+24dB/
1dB step
Trim VR
0~+24dB/
1dB step
Main VR
0~-95dB/
0.5dB step
Main VR
0~-95dB/
0.5dB step
DATA
STB
CS2
NC
MVR-IN
NC
MVR-A-GND
MVR-OUT
TVR-OUT
TVR-IN
TVR-REF
3
VSS
CK
GND
CS1
NC
MVR-IN
NC
MVR-A-GND
MVR-OUT
TVR-OUT
TVR-IN
TVR-REF
1
NCNC
1514
NCNC
Function
Pin
No.
Pin Name
2 VSS
27 VDD
12 GND
3 L-TVR-REF Trim volume circuit
26 R-TVR-REF
4 L-TVR-IN
25 R-TVR-IN
5 L-TVR-OUT
24 R-TVR-OUT
6 L-MVR-OUT Main volume circuit
23 R-MVR-OUT
7 L-MVR-AGND
22 R-MVR-AGND
9 L-MVR-IN
20 R-MVR-IN
Chip select code switching input
11 CS1
18 CS2
13 CK Clock input pin for data transfer
16 DATA A-SW control data input pin
17 STB Strobe input pin for data writing
1, 28,
8, 21, NC
10,19,
14,15
CS1 CS2
L L0001
HL1001
L H0101
HH1101
Chip select code
TC94A32F Terminal Function
34567891011121314
28 27 26 25 24 23 22 21 20 19 18 17
16 15
V
S
S
C
L
K
V
S
S
D
A
T
A
P
1
P
2
P
3
P
4
P
5
P
6
P
7
P
8
P
9
P
10
P
11
P
12
V
D
D
C
L
B
S
T
B
S
0
P
15
P
14
P
13
P
18
P
17
P
16
P
21
P
20
P
19
P
24
P
23
P
22
12
30 2932 31
BU2152FS Terninal Function
Pin No. Pin Name FunctionI/O
1
VSS
CLK
2
VSS
3
DATA4
P1
P2
P3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
P24
P23
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
28
S0
CLB
STB
29
VDD
30
31
32
Ground pin
Clock signal input
Strobe signal input
Cascade output
Clear signal input
"L"active
"L"active
Ground pin
Parallel data output
Ground pin
Power Supply pin
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
-
-
I
-