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PDF EKA8566A Data sheet ( Hoja de datos )
| Número de pieza | EKA8566A | |
| Descripción | USB Audio Controller | |
| Fabricantes | ELAN Microelectronics | |
| Logotipo |  |
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eKA8566A
USB Audio Controller
Product
Specification
DOC. VERSION 0.1
ELAN MICROELECTRONICS CORP.
October 2006
1 page  
eKA8566A
USB Audio Controller
1 General Description
The eKA8566A is a USB digital audio controller with audio data processing that
supports 16-bit 2-channel format at 48kHz, 44.1kHz, 32kHz or 8kHz sampling rate.
The device has an integrated USB transceiver, USB core, MCU, DAC, ADC, and I2S
Input/Output. It can handle a high-level USB protocol, and manages user interface via
general I/O pins.
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2 Features
USB Specification v1.1 Compliant
USB Audio and Human Interface Device (HID) Class v1.1 Compliant
Supports 12 Mbits/sec Full Speed Serial Data Transmission
Supports 48kHz, 44.1kHz, 32kHz, 8kHz sampling rate
Single oscillator: 6MHz
Audio buffer size: 192×16 bits × 2
Total of four Endpoints: Endpoint 0 for control transfer, Endpoint 1 for audio
streaming out, Endpoint 2 for streaming in , Endpoint 3 for HID
Supports stereo/mono playback
Built-in 2-channel D/A Converter with 10-bit resolution
Built-in 1-channel A/D converter with 10-bit resolution
Alternative settings supported by the audio streaming-out interface:
ALT-0: (default setting) zero isochronous bandwidth
ALT-1: 16-bit PCM 2 channel
Alternative settings supported by the audio streaming-in interface:
ALT-0: (default setting) zero isochronous bandwidth
ALT-1: 16-bit PCM stereo
2K×13 on-chip program ROM
32 bytes of general purpose RAM (R20~R3F)
RC Oscillator with internal RC
5 level stack for subroutine nesting
Total of 12 I/O pins (Port 50 ~ Port 57, Port 60~Port 63)
Supports buzzer/LED output pin
Port 5 and Port 6 with pull-up resistors
Wake-up pin in Port 5 and Port 6
MCU runs at 6 MHz frequency
Package: 48-pin LQFP
Product Specification (V0.1) 10.23.2006
(This specification is subject to change without further notice)
•1
5 Page 
eKA8566A
USB Audio Controller
9 Electrical Characteristic
9.1 DC Electrical Characteristic
Symbol
Ta = 0°C~70°C, VBus = 5V, DGND = 0V
Parameter
Condition
Min Typ Max Unit
IIL Input Leakage Current
VIN = VBus, DGND
− − ±1 µA
www.DataSheet4U.comVIH
VIL
Input High Voltage
Input Low Voltage
−
2.0 −
−V
− − 0.8 V
VIHX Clock Input High Voltage
OSCI
2.5 −
−V
VILX Clock Input Low Voltage
OSCI
− − 1.0 V
VOH1 Output High Voltage (Port 5, Port 6) IOH = -10.0mA
2.4 −
−V
VOH2
Output High Voltage
(I2S Interface Pin)
IOH = -6.67mA
2.4 −
−V
VOL1
Output Low Voltage (Port 5, Port 6)
(P5 : Normal Mode)
IOL = 10.0mA
− − 0.4 V
VOL2
Output Low Voltage
(P5 : LED driver Mode)
IOL = 10.0mA
VBus = 5 V
-10% 1.3 +10% V
VOL3
Output Low Voltage
(I2S Interface Pin)
IOL = 6.67mA
− − 0.4 V
IPH
Pull-high Current
(Port 5 and Sel_Vref pin)
Pull-high active, input pin at DGND
(PH resistor = 25KΩ)
-20%
-125
+20%
µA
IPL Pull-low Current (Test pin)
Test pin at VBus
(PL resistor = 25KΩ)
-20% 125 +20% µA
ISB1 Power Down Current
All input and I/O pin at VBus,
output pin floating, WDT disabled
−
− 50 µA
ISB2 Power Down Current
All input and I/O pin at VBus,
output pin floating, WDT enabled
−
− 100 µA
ICC Operating Supply Current
Fosc= 6.0 MHz , output pin floating −
− 10 mA
Product Specification (V0.1) 10.23.2006
(This specification is subject to change without further notice)
•7
11 Page | ||
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| PDF Descargar | [ Datasheet EKA8566A.PDF ] | |
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