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MX100IIXG
• SCI (XS345A00) CPU
D0
/WR
/RD
/S
BM
INTR
RxD3
TxD3
RxD2
TxD2
RxD1
TxD1
P16
P15
P14
P13
P12
CNVss
/RES
INT
P10
XIN
XOUT
Vss
PO7
PO6
PO5
PO4
PO3
PO2
PO1
PO0
• HD63266F (XI939A00) FDC (Floppy Disk Controller)
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
IPS
SFORM
/INP
/READY
/WPRT
21
Data 0
/WR
/RD
Chip Enable
Fixed to Low
IRQ Request
Receive data CH3
Transmit data CH3
Receive data CH2
Transmit data CH2
Receive data CH1
Transmit data CH1
Remote control data6
Remote control data 5
Remote control data4
Remote control data3
Remote control data2
GND
Reset
Not used
Remote control data1
8MHz
NC
GND
Panel switch read 7
Panel switch read 6
Panel switch read 5
Panel switch read 4
Panel switch read 3
Panel switch read 2
Panel switch read 1
Panel switch read 0
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
NC
PB7
PB6
NC
Panel matrix sink 5
PB5
Panel matrix sink 4
PB4
Panel matrix sink 3
PB3
Panel matrix sink 2
PB2
Panel matrix sink 1
PB1
Panel matrix sink 0
PB0
Panel matrix source 7
PA7
Panel matrix source 6
PA6
Panel matrix source 5
PA5
PA4
Panel matrix source 4
Panel matrix source 3
PA3
Panel matrix source 2
PA2
Panel matrix source 1
PA1
Panel matrix source 0
PA0
Address 7
A7
Address 6
A6
A5
Address 5
Address 4
A4
Address 3
A3
Address 2
A2
Address 1
A1
Address 0
A0
Vcc
+5
Data 7
D7
Data 6
D6
Data 5
D5
D4
Data 4
Data 3
D3
Data 2
D2
Data 1
D1
/TRKO
Track 00 signal
/INDEX
Index signal
Read data input from FDD
/RDATA
Clock
XTAL2
EXTAL2
NC
Clock
XTAL1
EXTAL1
Ground
VSS4
VSS5
NC
VCC2
Power supply
VCC3
VCC4
Write control
/WGATE
/WDATA
Writ data to FDD
VSS6
Ground
Step signal to control head of FDD
/STEP
/HDIR
Direction
/HLOAD
Head load
Head select
/HSEL
VSS7
Ground
/DS0
Drive select
/DS1
/DS2
/DS3
VSS8
Ground
/MON0
/MON1
Motor on
/MON2
/MON3
Ground
VSS9
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