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Número de pieza | EKA8565A | |
Descripción | USB Audio Controller | |
Fabricantes | ELAN Microelectronics | |
Logotipo | ||
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eKA8565A
USB Audio Controller
Product
Specification
DOC. VERSION 0.1
ELAN MICROELECTRONICS CORP.
September 2006
1 page eKA8565A
USB Audio Controller
1 General Description
The eKA8565A 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
HID I/O pins.
2
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Features
USB Specification v1.1 Compliant
USB Audio and Human Interface Device (HID) Class v1.1 Compliant
Supports 12 Mbits/s 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
Key scan I/O pins (P50~P55, P60~P63)
Software control output pins (P56, P57)
Support buzzer/LED output pin (P56 P57
Port 5 and Port6 with pull-up resistors
Wake-up pin in Port 5 and Port6
MCU run at 6 MHz frequency
Package: 48-pin LQFP
Product Specification (V0.1) 09.08.2006
(This specification is subject to change without further notice)
•1
5 Page eKA8565A
USB Audio Controller
9 Electrical Characteristic
9.1 DC Electrical Characteristic
Ta=0°C~70°C, VBus=5V, DGND=0V
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Symbol
Parameter
Condition
Min
IIL Input Leakage Current
VIN = VBus, DGND
−
VIH Input High Voltage
− 2.0
VIL Input Low Voltage
−
VIHX Clock Input High Voltage
OSCI
2.5
VILX Clock Input Low Voltage
OSCI
−
VOH1 Output High Voltage (Port 5, Port 6) IOH = -10.0mA
2.4
Output High Voltage
VOH2 2
(I S Interface Pin)
IOH = -6.67mA
2.4
VOL1
Output Low Voltage (Port 5, Port 6)
(P5 : Normal Mode)
IOL = 10.0mA
−
Output Low Voltage
VOL2
(P5 : LED driver Mode)
IOL = 10.0mA
VBus = 5 V
-10%
Output Low Voltage
VOL3
2
(I S Interface Pin)
IOL = 6.67mA
−
IPH
Pull-high Current
(Port 5 and Sel_Vref pin)
Pull-high active, input pin at DGND
(PH resistor = 25KΩ)
-20%
IPL Pull-low Current (Test pin)
Test pin at VBus
(PL resistor = 25KΩ)
-20%
ISB1 Power Down Current
All input and I/O pin at VBus,
output pin floating, WDT disabled
−
ISB2 Power Down Current
All input and I/O pin at VBus,
output pin floating, WDT enabled
−
ICC Operating Supply Current
Fosc= 6.0 MHz , output pin floating −
Typ Max Unit
− ±1 μA
− −V
− 2.0 V
− −V
− 1.0 V
− −V
−V
− 0.4 V
1.3 +10% V
− 0.4 V
-125 +20% μA
125 +20% μA
− 50 μA
− 100 μA
− 10 mA
Product Specification (V0.1) 09.08.2006
(This specification is subject to change without further notice)
•7
11 Page |
Páginas | Total 16 Páginas | |
PDF Descargar | [ Datasheet EKA8565A.PDF ] |
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