參數(shù)資料
型號： ATJ2085
廠商： Electronic Theatre Controls, Inc.
英文描述： ATJ2085 is a single-chip for flash-based digital music player
中文描述： ATJ2085是一種單芯片基于閃存的數(shù)字音樂播放器
文件頁數(shù)： 3/35頁
文件大?。?/td> 609K
代理商： ATJ2085
ATJ2085 DATA SHEET Actions
Copyright 2004 Actions Semiconductor Co., Ltd. All rights reserved.
VER 1.5
Page 2
8/18/2004
CONTENTS
Declaration................................................................................................................................................1
CONTENTS...............................................................................................................................................2
1. Description ............................................................................................................................................4
2. Features................................................................................................................................................4
3. Pin Description......................................................................................................................................6
3.1 Pin Sort by Number .....................................................................................................................6
4. Function Description ...........................................................................................................................10
4.1 Functional Block Diagram..........................................................................................................10
4.2 MCU Core..................................................................................................................................11
4.3 DSP Core...................................................................................................................................11
4.4 DMA Controller ..........................................................................................................................11
4.5 General Purpose IO Ports .........................................................................................................11
4.6 RTC/CTC/Watch Dog Timer......................................................................................................13
4.7 Oscillator/PLL.............................................................................................................................13
4.8 Power Management Unit (PMU)................................................................................................14
4.9 ADC............................................................................................................................................15
4.10 DAC..........................................................................................................................................16
4.11 Headphone Driver....................................................................................................................17
4.13 External Memory Interface ......................................................................................................17
4.14 I2C Interface ............................................................................................................................18
4.15 USB 2.0(FS) SIE......................................................................................................................19
4.15.1 Hard Core......................................................................................................................20
4.15.2 Interrupts........................................................................................................................20
4.16 FM Interface.............................................................................................................................20
5. Electrical Characteristics.....................................................................................................................20
5.1 Absolute Maximum Ratings.......................................................................................................20
5.2 Capacitance...............................................................................................................................21
5.3 DC Characteristics.....................................................................................................................21
5.4 AC Characteristics.....................................................................................................................22
5.4.1 AC test input waveform ...................................................................................................22
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