J1General I/O & Synchronous Serial
J4COM2 (Console)
J5Multi-I/O Bus (General I/O)
J10     Ethernet
JP1    Watchdog NMI Enable
JP2    Socket Memory Type
JP3    Boot Memory Location


ProcessorIntel 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, IRQ4
 115200 baud maximum

Serial Port 2  RS-232 no handshaking or
 RS-485 half duplex,
 COM2, address 0x2F8, IRQ 3
 115200 baud maximum

Digital I/O       10 Bits: P3.0-P3.5 & P1.4-P1.7,
  Pin configurable as input or output
  P3.3 & P3.4 configurable as interrupts
  8mA source/sink.

Watchdog       Programmable Timeout,
  Generates processor NMI

Sync. Serial    Full duplex
                                         Independent Rx and Tx clocks,
  Master or Slave operating mode

Supply Voltage      5V DC ±5%

Supply Current      400mA(nominal)

Humidity                 5 - 90%, non-condensing

Temperature        -20 to +85 °C

Weight                   1.6oz (45 gm)

Dimensions           3.75" x 2.50" x 0.63"
                                        (95mm x 63.5mm x 16mm)

I/O Port DC Characteristics

Symbol Parameter MIN MAX Units Condition
VIL Input Low -0.3 0.8   V
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

Mating Connectors

Connector Mfg MFG P/N JK micro P/N
J1,J3,J4,J5 (2x5)   Molex    22-55-2101
                                 Oupiin  4072-2X05H    28-0030
Pins (for 2x5)          Molex   16-02-0096
                                 Oupiin  4072-PIN-T      28-0033
J2,J8 (1x3)              Molex   22-01-2031
                                 Oupiin  4071-3H  28-0012
J10 (1x8)                 Molex   22-01-2081
                                 Oupiin  4071-08H        28-0037
Pins (for 1x3, 1x8)  Molex   08-50-0114
                                 Oupiin  4071-PIN-T      28-0013

Optional Features

M-Systems DiskOnChip Flash Disk, 512K SRAM, 512K Flash, or Battery backed clock calendar chip with 128K SRAM (20-0074)
Multi-I/O or µI/O peripheral boards for I/O expansion.

uFlash TCP 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