DU1A
30
PIN
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
I/O
I
I
I
I
I
I
I
I
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
I
I
I
I
I
I
I
I
8"//5"
XTALSET
/RESET
E//RD
RW//WR
/CS
/DACK
RS0
RS1
VSS1
VSS2
D0
D1
D2
D3
D4
D5
D6
D7
/DREQ
/IRQ
/DEND
VSS3
1/2 EX1
VCC1
NUM1
NUM3
IFS
SFORM
/INP
/READY
/WPRT
NAME
Data transmission speed
Clock select
Rest
Enable/Read
Read/write/Write
Chip select
DMA acknowledge
Register select
Ground
Data bus
DMA request
Interrupt request
Data end
Ground
Power supply
Host interface select
Format data
Index pulse
Ready from FDD
Write control signal
FUNCTION
PIN
NO.
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
I/O
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
/TRKO
/INDEX
/RDATA
XTAL2
EXTAL2
NC
XTAL1
EXTAL1
VSS4
VSS5
NC
VCC2
VCC3
VCC4
/WGATE
/WDATA
VSS6
/STEP
/HDIR
/HLOAD
/HSEL
VSS7
/DS0
/DS1
/DS2
/DS3
VSS8
/MON0
/MON1
/MON2
/MON3
VSS9
NAME
Track 00 signal
Index signal
Read data input from FDD
Clock
Clock
Ground
Power supply
Write control
Writ data to FDD
Ground
Step signal to control head of FDD
Direction
Head load
Head select
Ground
Drive select
Ground
Motor on
Ground
FUNCTION
HD63266F (XI939A00) FDC (Floppy Disk Controller)
PIN
No.
NAME
I/O
FUNCTION
PIN
No.
NAME
I/O
FUNCTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
INTTO
PGND
VCC
PGND
PGND
AT160
BUSUA7
BUSUA5
BUSUA4
BUSUA3
RGI
PGND
PGND
GND
MCLKIN
CLKIN
ISBI
BUSUA2
BUSUA1
BUSUA0
GND
AIOR
PGND
DSI
ISI
VCCIO
CESO
PTDI
PTMS
PTCK
CEF
AIWO
Output INTTO MIDI Transmission Interrupt Signal.
GND (Programable)
Power Supply (3.3V)
GND (Programable)
GND (Programable)
Output AT16O ATAPI 16bit data notice signal
Input/ Output Data Bus bit 7 for BUSUA7 MIDI
Input/ Output Data Bus bit 5 for BUSUA5 MIDI
Input/ Output Data Bus bit 4 for BUSUA4 MIDI
Input/ Output Data Bus bit 3 for BUSUA3 MIDI
Input for Generation of RGI Reset Pulse.
GND (Programable)
GND (Programable)
GND
Input Master Clock for MCLKIN Synchronous Opedration
Input Clock for CLKIN MIDI.
Input IOSTRB Signal for ISBI Address Decode.
Output/ Input Data Bus Bit 2 for BUSUA2 MIDI.
Output/ Input Data Bus Bit 1 for BUSUA2 MIDI.
Output/ Input Data Bus Bit 0 for BUSUA2 MIDI.
GND
Output AIOR ATAPI READ Signal (DIOR)
GND (Programable)
Input Data Select Signal for DSI Address Decode.
Input IO Select Signal for ISI Address Decode.
Power Supply (3.3V)
Output CESO SRAM Chip Select Signal.
Signal for PTDI Internal Rewrite Signal
Signal for PTMS Internal Rewrite Signal
Signal for PTCK Internal Rewrite Signal
Output CEF FLASH Chip Select Signal.
Output AIWO ATAPI WRITE Signal (DIOW).
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
OEMO
CEBO
WEMO
ARINI
VCC
AH10
PGND
PGND
GND
AH0O
MOUO
PGND
RAI
PGND
PGND
MINI
RSTO
RWI
PGND
ATRDYO
PTDO
GND
VCCIO
PSI
A16INI
BUSUA6
PGND
A15I
A14I
INTRO
MSBI
PGND
Output OEMO Memory OUTPUT ENABLE Signal.
Output CEBO Buffer Chip Select Signal.
Output WEMO memory WRITE ENABLE Signal.
Input ARINI ATAPI READY Signal.
Power Supply (3.3V)
Output AH1O ATAPI Chip Select Signal.
GND (Programable)
GND (Programable)
GND
Output AH0O ATAPI Chip Select Signal.
Output MOUD MIDI Signal.
GND (Programable)
Input for Generation of RAI Reset Pulse.
GND (Programable)
GND (Programable)
Input MINI MIDI Signal.
Output RSTO Reset Pulse.
Input ReadWrite Signal for RWI Address Decode.
GND (Programable)
Output ATRDYO ATAPI READY Signal.
Signal for PTDO Internal Rewirte.
GND
Power Supply (3.3V)
Input Program Select Signal for PSI Address Decode.
Input A16INI ATAPI 16bit Data Notice Signal.
Input/ Output Data Bus for BUSUA6 MIDI.
GND (Programable)
Address Input bit15 for A15I Address Decode.
Address Input bit14 for A14I Address Decode.
Output INTRO MIDI Receipt Interrupt Signal.
Input MSTRB Signal for MSBI Address Decode.
GND (Programable)
O
-
-
-
O
I/O
I/O
I/O
I/O
I
-
-
-
I
I
I
I/O
I/O
I/O
-
O
-
I
I
O
O
O
O
O
O
I
I
-
-
-
O
O
-
I
-
-
I
O
I
-
O
-
I
I
O
-
I
I
O
I
-
XC9572XL-10VQ64 (XW774A00) PLD
