onhold_at89c51.sch

8051控制CDROM驱动

v 20010708
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T 8900 88600 5 10 1 1 0 0
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T 8900 84600 5 10 1 1 0 0
label=P2.3
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T 8900 84400 5 10 1 1 0 0
label=P2.4
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T 8900 84200 5 10 1 1 0 0
label=P2.5
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T 8900 84000 5 10 1 1 0 0
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T 8900 83200 5 10 1 1 0 0
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T 8900 82800 5 10 1 1 0 0
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{
T 11000 83200 5 10 1 1 0 0
label=/DIOR
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{
T 11000 83000 5 10 1 1 0 0
label=/DIOW
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{
T 11000 82800 5 10 1 1 0 0
label=RESET
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T 11000 82600 5 10 1 1 0 0
label=INTRQ
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T 11000 84600 5 10 1 1 0 0
label=/CS0
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T 11000 84400 5 10 1 1 0 0
label=/CS1
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T 11000 84200 5 10 1 1 0 0
label=DA0
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{
T 11000 84000 5 10 1 1 0 0
label=DA1
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T 11000 83800 5 10 1 1 0 0
label=DA2
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B 10900 82500 2000 6400 3 0 0 0 -1 -1 0 0 -1 -1 -1 -1
B 7400 82500 2000 6400 3 0 0 0 -1 -1 0 0 -1 -1 -1 -1
T 8400 83000 9 14 1 0 90 0
ATMEL AT89C51
T 12000 83500 9 14 1 0 90 0
ATA/ATAPI-5 (CDROM) INTERFACE
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label=VCC
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P 8400 82500 8400 82300 1
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label=GND
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C 8200 89100 1 0 0 vcc-2.sym
C 7900 82000 1 0 0 gnd-1.sym
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T 11800 82600 5 10 1 1 0 0
label=GND
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label=DMARQ
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T 12300 86800 5 10 1 1 0 0
label=IODRY
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P 12900 85400 13100 85400 1
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T 12300 85400 5 10 1 1 0 0
label=/DASP
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C 13500 88000 1 90 0 resistor-2.sym
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T 13600 88500 5 10 1 1 0 0
value=5.6k
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C 14300 88000 1 90 0 resistor-2.sym
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T 14400 88500 5 10 1 1 0 0
value=1k
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C 8100 89100 1 90 0 capacitor-1.sym
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value=10uF
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C 7600 90000 1 0 0 gnd-1.sym
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C 14700 84000 1 270 0 led-1.sym
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T 15000 83800 5 10 1 1 0 0
label=DEVICE ACTIVE
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C 15000 84400 1 90 0 resistor-2.sym
{
T 15100 84600 5 10 1 1 0 0
value=1k
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C 5900 86400 1 0 1 7400-1.sym
C 5900 84900 1 0 1 7400-1.sym
P 7400 87100 7200 87100 1
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T 7500 87100 5 10 1 1 0 0
label=P0.4 (ERR)
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T 7500 85200 5 10 1 1 0 0
label=P0.5 (PLY)
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C 3900 87800 1 270 0 led-1.sym
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T 4200 87700 5 10 1 1 0 0
label=ERROR
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C 2900 87800 1 270 0 led-1.sym
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T 2200 87700 5 10 1 1 0 0
label=PLAYING
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C 4200 87800 1 90 0 resistor-2.sym
{
T 4300 88100 5 10 1 1 0 0
value=1k
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C 3200 87800 1 90 0 resistor-2.sym
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T 3300 88100 5 10 1 1 0 0
value=1k
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C 13600 85100 1 0 0 7400-1.sym
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C -400 79600 1 0 0 title-B.sym
T 10500 80700 9 10 1 0 0 0
Onhold (implementation)
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Copyright (C) 2000 Jason Nunn <[e-mail]>
T 10500 80300 9 10 1 0 0 0
8/10/2000
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onhold_at89c51.sch
T 13400 80000 9 10 1 0 0 0
0 (8/10/2000)
T 13400 79700 9 10 1 0 0 0
Jason Nunn
N 13100 85400 13600 85400 4
T 8800 87500 9 10 1 0 90 0
(DATA LS)
T 8800 82800 9 10 1 0 90 0
(CTRL)
C 6600 87600 1 90 0 resistor-2.sym
{
T 6700 88100 5 10 1 1 0 0
value=10k
}
N 7700 90300 7900 90300 4
N 7900 90300 7900 90000 4
C 8100 89100 1 90 0 capacitor-1.sym
C 6600 85200 1 90 0 resistor-2.sym
{
T 6700 85700 5 10 1 1 0 0
value=10k
}
C 10700 81600 1 90 0 resistor-2.sym
C 10400 81600 1 90 0 resistor-2.sym
C 10100 81600 1 90 0 resistor-2.sym
C 9800 81600 1 90 0 resistor-2.sym
{
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value=10k
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C 11800 82000 1 0 0 gnd-1.sym
C 8900 81200 1 0 0 vcc-2.sym
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P 7900 88900 7900 89100 1
{
T 7600 88700 5 10 1 1 0 0
label=/EA
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T 8800 85400 9 10 1 0 90 0
(DATA MS)
T 8800 84000 9 10 1 0 90 0
(ADDR)
C 1700 86500 1 90 0 capacitor-1.sym
{
T 1600 86600 5 10 1 1 0 0
value=10uF
}
C 6600 83200 1 90 0 crystal-1.sym
{
T 6600 83200 5 10 1 1 0 0
value=12Mhz
}
C 1600 83100 1 90 0 resistor-2.sym
{
T 1700 83400 5 10 1 1 0 0
value=8k2
}
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T 7500 84800 5 10 1 1 0 0
label=RST
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T 7500 84500 5 10 1 1 0 0
label=XTAL1
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label=XTAL2
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C 5900 83600 1 90 0 capacitor-1.sym
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value=30pF
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C 5900 82700 1 90 0 capacitor-1.sym
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value=30pF
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