EKA8562A 查看數據表（PDF） - ELAN Microelectronics

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EKA8562A

USB Audio Controller

ELAN Microelectronics 

eKA8562A

USB Audio Controller

1 General Description

The eKA8562A is a USB audio controller for USB Phone Applications. The device has

2

an integrated USB transceiver, USB core, dual DAC, ADC, and I S Input/Output. It can

handle a high-level USB protocol, and manages user interface via HID I/O pins.

2 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 48 kHz, 44.1 kHz, 32 kHz, 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

„ 32 bytes of general purpose RAM (R20~R3F)

„ Supports 1 LED output pin

„ Supports 1 Buzzer output pin (2.45 kHz)

„ Supports 24 Button control

„ RC Oscillator with internal RC

„ Package: 48-pin LQFP

Product Specification (V0.1) 04.24.2006

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(This specification is subject to change without further notice)

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