AK4104 (IC104)
Terminal Function
Block Diagram
ASAHI KASEI
[AK4104]
MS0642-J-01
2010/09
- 3 -
AK4104ET 20 +85 C 16pin TSSOP (0.65mm pitch)
AKD4104
AK4104
1
MCLK
LRCK
BICK
CSN
CCLK
CDTI
AK4104
Top
View
2
3
4
5
6
7
8
TX
VDD
CDTO/ SDTI2
VSS
TEST4
TEST3
TEST2
16
15
14
13
12
11
10
9
PDN
SDTI1
TEST1
ASAHI KASEI
[AK4104]
MS0642-J-01
2010/09
- 4 -
No. Pin Name
I/O Function
1 MCLK
I
Master Clock Input Pin
2 BICK
I
Audio Serial Data Clock Pin
3 SDTI1
I
Audio Serial Data Input 1 Pin
4 LRCK
I
Input Channel Clock Pin
5 PDN
I Power Down and Reset Pin
L
: Power down and Reset,
H
: Power up
6 CSN
I
Chip Select Pin
7 CCLK
I
Control Data Clock Pin
8 CDTI
I
Control Data Input Pin
9 TEST1
I TEST Pin
This pin should be connected to VDD.
10 TEST2
O TEST Pin
This pin should be OPEN.
11 TEST3
O TEST Pin
This pin should be OPEN.
12 TEST4
O TEST Pin
This pin should be OPEN.
13 VSS
-
Ground Pin
14 VDD
- Power Supply Pin, 2.7 3.6V
CDTO
O Control Data Output Pin, The output is
Hi-Z
when PDN pin =
L
.
15 SDTI2
I
Audio Serial Data Input 2 Pin
16 TX
O Transmit Channel Output Pin, The output is
L
when PDN pin =
L
or RSTN bit
=
0
or PW bit =
0
or MCLK stops.
[AK4104]
MS0642-J-01
2010/09
- 2 -
LRCK
BICK
Audio
Data
Interface
MCLK
PDN
Prescaler
Biphase
Encoder
SDTI1
TX
CDTO
CSN
CCLK
CDTI
µP
Interface
VDD
VSS
Figure 1. AK4104 Block Diagram (MODE bit =
0
)
LRCK
BICK
Audio
Data
Interface
MCLK
PDN
Prescaler
Biphase
Encoder
SDTI1
TX
CSN
CCLK
CDTI
µP
Interface
VDD
VSS
SDTI2
Figure 2. AK4104 Block Diagram (MODE bit =
1
)
UPD63530 (IC105)
Terminal Function
20
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating