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| Model Number | 7188XA | 7188XB | 7188XBD-512 | 7188XC |
| CPU (80188) | 40MHz | 40/80MHz | 40/80MHz | 40MHz |
| SRAM | 512K | 256K | 512K | 128K |
| Flash | 512K | 512K | 512K | 256K |
| COM 1 Port | RS-232/485 | RS-232/485 | RS-232/485 | RS-232/485 |
| COM 2 Port | RS-485 | RS-485 | RS-485 | RS-485 |
| COM 3 Port | RS-232 | - | - | - |
| COM 4 Port | RS-232 | - | - | - |
| EEPROM | 2kb | 2kb | 2kb | 2kb |
| DI | 2 | 1 | 1 | 2 |
| DO | 2 | 1 | 1 | 3 |
| Embedded O.S. | MiniOS7 | MiniOS7 | MiniOS7 | MiniOS7 |
| Developing tool kit | yes | yes | yes | yes |
| Battery Backup | yes | no | no | no |
Powerful and Versatile Controller
The I-7188XA(D) is for industry applications and can be used to replace PC or PLC devices in harsh environments. The I-7188XA controller is designed for palm-size embedded systems that require high reliability, PC-compatibility, and compactness at a reasonable price.
The controllers can be integrated into an OEM product as a processor core component. By building your product around I-7188XA controller, you reduce the time from design to market introduction, cut development costs, minimize technical risks, and deliver a more reliable product.
Depending on the type of embedded firmware programs that are being developed, and which I/O Expansion Board, the I-7188XA(D) can be used as a single versatile controller.
I/O Expansion Bus and Expansion Board
The I-7188XA supports an I/O expansion bus.
The I/O expansion bus can be used to implement various I/O functions such as D/I, D/O, A/D, D/A, Timer/Counter, UART, flash memory, battery backup SRAM, AsicKey & other I/O functions. Nearly all kinds of I/O functions can be implemented by this bus.
The integrated modular design of the expansion board allows a fast, easy, and flexible way of upgrading our controller's capability.
| CPU | |
| CPU | 80188 (40MHz) |
| SRAM | 512K Bytes |
| Flash | 512K Bytes; Erase unit is one sector (64K bytes); 100,000 erase/write cycles. |
| EEPROM | 2048 Bytes (8 block, each block contains 256byte) Data retention > 100 years; 1,000,000 erase/write cycles |
| NVRAM | 31 Bytes (battery backup, data valid up to 10 year) |
| RTC (real time clock) | Seconds, minutes, hours, date of the month;month, year, valid up from 1980 to 2079 |
| 64-bit Hardware Serial Number | Yes |
| Build-in Watchdog Timer | Yes |
| Communication Interface | |
| COM1 | RS-232 or RS-485 ( jumper select(JP6), default is RS-232) RS-232 (TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI, GND) RS-485 (D1+, D1-, self-tuner ASIC inside) 16 bytes FIFO |
| COM2 | RS-485 (D2+, D2-, self-tuner ASIC inside), 16 bytes FIFO, Isolation voltage : 3000V |
| COM3 | RS-232 (TXD3, RXD3, GND),1 byte FIFO |
| COM4 | RS-232 (TXD4, RXD4, GND); Program download port; Can be used as general purpose RS-232 port ,1 byte FIFO |
| Communication speed | |
| All ports | 115.2K bps max |
| Digital Input/Output | |
| Digital Input | Channels : 2 Contact: Dry On voltage level: Connect to GND Off voltage level: Open |
| Digital Output | Channels : 2 Output type : Open-collector Output current : 100mA Max load voltage : +30VDC |
| LED Display | |
| 5 Digits Seven Segment Display | Yes (for 7188XAD) |
| Red LED | Yes |
| I/O expansion bus | |
| I-7188XA | Yes |
| I-7188XAD | Yes |
| Dimensions | |
| I-7188XA | 119mm x 72mm x 33mm |
| I-7188XAD | 119mm x 72mm x 33mm |
| Operating Environment | |
| Operating Temperature | -25°C ~ +75°C |
| Storage Temperature | -30°C ~ +80°C |
| Humidity | 10% ~ 90% RH, non-condensing |
| Power | |
| Protection | Power reverse polarity protection |
| Power requirement | 10 to 30VDC |
| Power consumption | I-7188XA : 2.0W I-7188XAD : 3.0W |
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PIN Assignment
Demo Program
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