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PDF ( 数据手册 , 数据表 ) EKA8566A

零件编号 EKA8566A
描述 USB Audio Controller
制造商 ELAN Microelectronics
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EKA8566A 数据手册, 描述, 功能
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eKA8566A
USB Audio Controller
Product
Specification
DOC. VERSION 0.1
ELAN MICROELECTRONICS CORP.
October 2006







EKA8566A pdf, 数据表
eKA8566A
USB Audio Controller
6 Pin Assignment
Symbol
BCLK
LRCLK
SDATA
I_BCLK
www.DataSheet4U.comI_LRCLK
I_SDATA
P57
P56, P50
Pin No.
1
2
3
4
5
6
7
8~14
I/O
O
O
O
I
I
I
O
O
P63~P61
15~17
I/O
P60 18 O
RECORD_SEL 19 I
OSCO
OSCI
20 O
21 I
Test 22 I
PLLC
VAD
AGND3
VA
VMIC
MIC_IN
Vref
AGND2
23 I
24 PWR
25
26 PWR
27 O
28 I
29 O
30
Function
BCLK for I2S interface
LRCLK for I2S interface
I2S interface for FL, FR output
BCLK for I2S interface
LRCLK for I2S interface
I2S interface for FL, FR input
AP control output pin
Reference PSTN + Skype Protocol
Port 6 is a 4-bit bidirectional I/O port. They can be pulled-high
internally by firmware control.
Reference PSTN + Skype Protocol
Record select pin.
1 : I2S record
0 : ADC record
An internal pull-low resistor is connected to DGND.
Crystal output
Crystal input
Test mode select pin
Test = 0, enter normal mode
Test = 1, enter test mode
An internal pull-low resistor is connected to DGND.
External capacitor for PLL
ADC analog power supply pin
A/D and PLL ground pin
Analog power supply pin
Power supply for external MIC
Microphone analog input pin
Bandgap reference output
MIC ground pin
4 Product Specification (V0.1) 10.23.2006
(This specification is subject to change without further notice)







EKA8566A equivalent, schematic
eKA8566A
USB Audio Controller
11.2.2 CID Request to Send Command/Data
Start 2
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CID Request to Send
command/data
Ckeck
CLK = 0 ?
Yes
Set CRS = 1
No
Start 1
Ckeck
CLK = 1 ?
Yes
Set CRS = 0
No
Ckeck
CLK = 0 ?
Yes
B
No
B
Send command/data to
DATA Bus
Set CRS = 1
Ckeck
CLK = 1 ?
Yes
Set CRS = 0
No
Ckeck
CLK = 0 ?
Yes
Is there data for
Sending?
No
Yes
B
Release DATA bus
END
12
Product Specification (V0.1) 10.23.2006
(This specification is subject to change without further notice)










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