Connectors
J1
Processor Bus
J2
Power
J3
Multi-I/O Bus(General I/O)
J5
IO Ports C and D
J6
IO Ports A and B
J7
IO Port E
J8
Ethernet
J9
COM1
J10
COM2(Console)
J11
RS-485
J12
CPLD JTAG
JP1
Socket Memory Type & Boot Memory Location
Specifications
Processor


Intel 386Ex, 25MHz
Operating System 
XDOS(MS/PC DOS 3.3 compatible)
Memory 


512K SRAM, 512K Flash
Ethernet 


10BASE-T, NE2000 compatible





Link status and Activity LEDs
Serial Port 1 

RS-232 with 5 handshake lines





COM1, address 0x3F8, IRQ 4
Serial Port 2 

RS-232 no handshaking or





COM2, address 0x2F8, IRQ 3
Digital I/O 

46 Bits: P1.4-P1.7 & P3.3-P3.4,





Pin configurable as input or output





P3.3 & P3.4 configurable as interrupts





8mA source/sink. State change interrupt





configurable as input or output, 4mA





source/sink. State change interrupt





capability on Ports A & B.
Watchdog 

Programmable Timeout,





Independent Rx and Tx clocks,





Master or Slave operating mode
Supply Power 
5V DC ±5%, 2 Watts(nominal)
Humidity 

5 - 90%, non-condensing
Temperature 
-20 to +85 °C
Dimensions 
4.20" x 3.60" x 0.65"




(106.7mm x 91.4mm x16.5mm)
I/O Port DC Characteristics for Ports 1, 3
Symbol
Parameter
MIN
MAX
Units
Condition
VIH
Input High
2.0
Vcc+0.3 V 
VOL
Output Low 
0.45 V
IOL= 8mA
VOH
Output High Vcc-0.5 V
IOH= -8mA
I/O Port DC Characteristics for Ports A, B, C, D, E
Symbol
Parameter
MIN
MAX
Units
Condition
VOL Output Low 
0.4
V
IOL= 8mA
VOH
Output High 2.4

V
IOH= -4mA
Mating Connectors
Connectors 

Mfg
MFG P/N
JK micro P/N
J3,J9,J10,J12 (2x5)
Molex 22-55-2101 




Oupiin 4072-2X05H 28-0030
J5,J6 (2x13) 
Molex 22-55-2261 




Oupiin 4072-2X013H 28-0031
J7 (1x14) 

Molex 50-57-9014 




Oupiin 4072-1X14H 28-0061
Pins (for 2x5,2x13,1x14) Molex 16-02-0096 




Oupiin 4072-PIN-T 28-0033
J2,J11 (1x3) 
Molex 22-01-2031 
J8 (1x8) 

Molex 22-01-2081 
Pins (for 1x3,1x8)
Molex 08-50-0114 




Oupiin 4071-PIN-T 28-0013
Optional Features
M-Systems DiskOnChip, 512K SRAM, or 512K Flash
Peripheral boards for I/O expansion
Character LCD & Matrix keypad
LogicFlex Technical Information
12228 E Bennett Rd. Grass Valley, CA 95945
Phone (530) 297-6073
Fax (530) 297-6074
© 2016 JK microsystems, Inc. All rights reserved.
Offering embedded computer solutions since 1996