4
管脚 配置
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
D2
D1
D0
VSS
AEN
nIOW
nIOR
A9
A8
A7
FINTR
PINTR
IRQ4
IRQ3
nDACK
TC
A6
A5
A4
A3
nRTS1
nCTS1
nDTR1
nRI1
nDCD1
nRI2
nDCD2
RXD2
TXD2
nDSR2
nRTS2
nCTS2
nDTR2
drv2/adrx/pintr2
VSS
nmtr2/pdack
nds3/a10
nds2/nds3/pdir
nmtr3/pdrq
IOCHRDY
D3
FDRQ
D4
D5
D6
D7
重置
PWRGD
SLCT
PE
BUSY
nACK
PD7
PD6
PD5
PD4
VSS
PD3
PD2
PD1
PD0
VCC
nSLCTIN
nINIT
nAUTOFD
nSTROBE
TXD1
nDSR1
nERRO R
FDC37C665GT
302928272625242322212019181716151413121110987654321
A2
A1
A0
nIO CS16
nHDCS1
nHDCS0
nIDEENHI
nIDEENLO
IDED7
x2/clk2
x1/clk 1
DRATe0/媒介 _id0
DRATE1/媒介_id1
nDSKCHG
nRDATA
VCC
nWRTPRT
nTRK0
nINDEX
nHDSEL
nW门
nW数据
nSTEP
nDIR
nMTR1
nDS0
nDS1
nMTR0
VSS
DENSEL
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
D2
D1
D0
VSS
AEN
nIOW
nIOR
A9
A8
A7
FINTR
PINTR
PSPIRQ
SSPIRQ
nDACK
TC
A6
A5
A4
A3
nRTS1
nCTS1
nDTR1
nRI1
nDCD1
nRI2
nDCD2
RXD2
TXD2
nDSR2
nRTS2
nCTS2
nDTR2
drv2/adrx/pintr2
VSS
nmtr2/pdack
nds3/a10
nds2/nds3/pdir
nmtr3/pdrq
IOCHRDY
D3
FDRQ
D4
D5
D6
D7
重置
ngamecs/padcf
SLCT
PE
BUSY
nACK
PD7
PD6
PD5
PD4
VSS
PD3
PD2
PD1
PD0
VCC
nSLCTIN
nINIT
nAUTOFD
nSTROBE
RXD1
TXD1
nDSR1
nERRO R
FDC37C666GT
302928272625242322212019181716151413121110987654321
A2
A1
A0
nIO CS16
nHDCS1/facf
nHDCS0/idEACF
nIDEENHI
nIDEENLO
IDED7
x2/clk2
x1/clk 1
DRATe0/媒介_id0
DRATe1/媒介_id1
nDSKCHG
nRDATA
VCC
nWRTPRT
nTRK0
nINDEX
nHDSEL
nWGATE
nW数据
nSTEP
nDIR
nMTR1
nDS0
nDS1
nMTR0
VSS
DENSEL
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
RXD1