相关下载：

1、 最新版firmware (Aug 14,'00: R0.93) 包含源文件

firmware .zip

2、Control tools (Jul 2, '00)

tools.zip

材料清单

ItemPart NumberPart valueQtyMfr. Description

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1 U1 AT90S8515 1AtmelAVR micro-controller

2 U2 PST600J 1MitsumiReset generator

3 U3 MAS3507D1Micronas MP3 decoder

4 U4 DAC3550A1Micronas Audio D/A converter

5 Q1 2SA1300 1ToshibaLow saturation, high hfe

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6 Q2,Q3,Q4 RN12053ToshibaWith built-in resisters

7 D1 1GWJ421ToshibaTypical shottky diode

8 D2,D3,D4 1SS3193ToshibaTypical swiching diode

9 D5 NSPG320BS 1Nichia Super high bright

10Y1 CST6.00MGW1Murata Ceramic resonator w/caps

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11Y2 14.725MHz 1 Crystal resonator

12C1 470uF 1 Alminium

13C2 330uF 1 Low ESR, OS-CON

14C3,C4,C7 4.7uF 3 Tantalum

15C5,C6220uF 2 Alminium

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16C8,C12,C18,100nF 6 Chip sized ceramic

C19,C20,C21

17C9,C10 470pF 2 Chip sized ceramic

18C15,C16,C111nF 3 Chip sized ceramic

19C1710nF1 Chip sized ceramic

20C13,C1422pF2 Chip sized ceramic

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21L1 22uH (1A) 1 Low resistance

22L2,L310uH2 Axial leaded

23R1,R4,R5,R6, 10k14 Chip sized

R7,R8,R9,

R10,R14,R16,

R17,R18,R19,

R28

24R2 300 1 Chip sized

25R3,R12,R26 100k3 Chip sized

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26R1118k 1 Chip sized

27R153.3k1 Chip sized

28R20,R21,R24, 1.5k5 Chip sized

R25,R30

29R13680 1 Chip sized

30R2768k 1 Chip sized

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31R22,R23472 Chip sized

32SW1,SW2,SW3, B3F-31006OmronPush button switch

SW4,SW5,SW6

33P1 HEC3300-01-0201Hoshiden DC jack (Voltage class 1)

34P2 22pin header1

35P3 HSJ0887-01-5101Hoshiden 3.5Dia stereo jack

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36P4 6pin header 1

37P5 B2B-EH1JST

38 CN015R-3113-0 1Yamaichi SmartMedia socket

39 Battery Box 1

数据存储用的是通用闪存卡（SmartMedia），广泛用于数码相机、MP3。见下图