ak7712a-vt AKM Semiconductor, Inc., ak7712a-vt Datasheet - Page 9

• Manufacturer Part Number: ak7712a-vt
• Description: Built-in 20-bit Adc/dac Sophisticated Audio Dsp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
„ „ „ „ AK7712A Control Signal, Input/Output Data Signal, Reset, etc.
0180-E-02
Pin No
note:1 About the directions, please refer the paragraph of power down reset control on P.65.
19
18
12
13
15
14
16
17
21
22
20
23
27
26
6
5
3
4
2 Set to "L" or "open" when OPCL is "L".
3 The output is "L" when OPCL is "L".
4 During a timing of changing CONTROL REGISTER, CLKO is instability.
RST
PD
PDAD
PDDA
SDIN1
SDOUT1
SDIN2
SDAD
SDDA
SDOUT2
SDDA2
SDOUT3
BCLK
LRCK
SMODE
CLKO
XTO
XTI
Pin name
I/O
I/O
I/O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
Reset input ("L" Reset)
Power down
AD reset control
DA reset control
Serial data input 1
MSB justified 16- 24-bit / LSB justified 16- 24-bit
Serial data output 1
MSB justified 16- 24-bit / LSB justified 16-bit
Serial data input 2 (OPCL : "H" )
MSB justified 16- 20-bi
Serial data output 2 (OPCL : "H" )
MSB justified 16- 20-bit, common set-up with SDIN2
Serial data input 3 (OPCL : "H" )
MSB justified 16- 20-bit, common set-up with SDOUT2
Serial data output 3 (OPCL : "H" )
MSB justified 16- 20-bit
Serial data input 4 (OPCL : "H" )
MSB justified 20-bit (16-bit at BCLK=32fs )
Serial data output 4 (OPCL : "H")
MSB justified 20-bit (16-bit at BCLK=32fs)
Clock input/output for serial data input
Interface clock select
Input/output set-up for each clock pin of LRCK and BCLK
"L":slave mode(21,22 input), "H":master mode(output)
Master clock output
Output for quartz oscillator
When an external clock is input, this pin should be left floating.
Input for quartz oscillator
A crystal can be connected between this pin and XTO, or an external CMOS
clock can be input on this pin.
L/R channel identify signal input/output
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Function
[AK7712A-VT]
(note 1)
(note 1)
(note 1)
(note 1)
(note 2)
(note 3)
(note 2)
(note 3)
(note 2)
(note 3)
(note 4)
1997/12