手工制作的MP3播放器电路及资料

  
  
   
  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
  ------------------------------------------ ----------------------------
  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 2SA1 1ToshibaLow saturation, high hfe
  ------------------------------------------ ----------------------------
  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
  ------------------------------------------ ----------------------------
  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,C60uF 2 Alminium
  ------------------------------------------ ----------------------------
  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
  ------------------------------------------ ----------------------------
  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
  ------------------------------------------ ----------------------------
  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
  ------------------------------------------ ----------------------------
  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
  ------------------------------------------ ----------------------------
  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