AK7600 Datasheet, PDF (4/38 Pages) Asahi Kasei Microsystems – 2/6-Channel Audio CODEC with Digital EQ

[AK7600]
PIN FUNCTION
No. Pin Name
I/O
Function
1 TSTI
I
Test Pin
This pin should be connected to VSS1.
2 REF18
O Internal regulator 1.8V Output pin
3 VSS4
- Ground Pin, 0V
4 VCOM
O VCOM pin
5 AINL
I ADC Input pin Lch.
6 AINR
I ADC Input pin Rch
7 AVDD
- Analog Power Supply Pin 4.5~5.5V
8 VSS1
- Ground Pin, 0V
9 VREFH
- Positive Voltage Reference Input Pin, AVDD
10 AOUT1L
O DAC1 Lch Output pin.
11 AOUT1R
O DAC1 Rch Output pin
12 AOUT2L
O DAC2 Lch Output pin
13 AOUT2R
O DAC2 Rch Output pin
14 AOUT3L
O DAC3 Lch Output pin
15 AOUT3R
O DAC3 Rch Output pin
16 DZF
O Zero detect pin
Power-Down & Reset Pin
17 PDN
I
When “L”, the AK7600 is powered-down and the control registers are reset to default
state.
18 VSS3
19 SDA
20 SCL
- Ground Pin 0V
I/O Control Data Input Pin : SDA (I²C Bus) (Note 2)
I Control Data Clock Pin : SCL (I²C Bus)
21 CLKO
O Master Clock Output Pin
22 DVDD
- Digital Power Supply 1 Pin, 4.5~5.5V
23 BICK
O Output Audio Serial Data Clock Pin
24 LRCK
O Output Channel Clock Pin
25 SDTO1
O Audio Serial Data Output 1 Pin
26 SDTO2
O Audio Serial Data Output 2 Pin
27 SDTO3
O Audio Serial Data Output 3 Pin
28 XTI
I X’tal Input Pin
29 XTO
O X’tal Output Pin
30 VSS2
- Ground Pin, 0V
Note 1. All digital input pins are never to be left float.
Note 2. Input mode when powered-down.
■Handling of Unused Pin
The unused I/O pins should be processed appropriately as below
Classification
Analog
Digital
Pin Name
AOUT1L, AOUT1R, AOUT2L, AOUT2R,
AOUT3L, AOUT3R, XTO
TSTI
BICK, LRCK, CLKO, SDTO1, SDTO2,
SDTO3
Setting
These pins should be open.
This pin should be connected to VSS1.
These pins should be open.
MS0999-E-00
-4-
2008/09