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Connectors and Jumpers
| J1 | General I/O & Synchronous Serial |
| J2 | RS-485 |
| J3 | COM1 |
| J4 | COM2 (Console) |
| J5 | Multi-I/O Bus (General I/O) |
| J8 | Power |
| J10 | Ethernet |
| JP1 | Watchdog NMI Enable |
| JP2 | Socket Memory Type |
| JP3 | Boot Memory Location |
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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
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| 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
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| 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.
Copyright © 1998-2003 JKmicrosystems, Inc.
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