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8051 Architecture single board computers for commercial use

The Mini51 board is available with 5 different processors (NEW!!! now includes Analog I/O on-board or with I2C compatible add-on board) Processor options: P89C51RD2 @ 12 MHz (model: Mini51-P) P89C668 @ 12 MHz (model: Mini51-P8) P89C669 @ 12 MHz (model: Mini51-P9) DS89C420 @ 11.059 MHz (model: Mini51-U) ADuC831 @ 11.059 MHz (model: Mini51-A831) 64KBytes / 96KBytes / 16KBytes / 62KBytes on-chip Flash, In System Programmable (ISP) Code Memory 768 bytes on-chip XRAM (for P89C51RD2) or 7936 bytes on-chip XRAM (for P89C668) or 2048 bytes on-chip data RAM (EDATA + XDATA) (for P89C669) or 1024 bytes on-chip XRAM (for DS89C420) or 2048 bytes on-chip XRAM (for ADuC831) Selector switches to select between Normal Mode and ISP Program Mode Standard serial port available as RS232 port. (Only Mini51-P9 or Mini51-U) second serial port available as TTL or RS232. Serial communication cable for connecting to computer's COM port 14 pin connector for LCD (4 bit interface using on-chip port) Optional LCD BackLighting Control via port pin 10 pin connector for 5 X 5 matrix keyboard 14 (or 12) unused port pins are brought out on a connector On-board bridge rectifier and regulator to generate +5VDC (requires 9 Volts AC) Accompanying disk contains ISP programming software and working example programs written in C to access the serial port, LCD and keyboard I2C Compatible 64 KBytes EEPROM (24C512) I2C Compatible Real Time Clock (DS1307) with Lithum Battery (Only in Mini51-A831) on-chip 4KBytes EEPROM. (Only in Mini51-A831) 8 Analog Inputs (12 bit), 2 analog outputs (12 bit), temperature sensor (All models except Mini51-A831) Optional add-on board provides 8 Analog Inputs (8 bit), 2 analog outputs (8 bit). Please note, the LCD and keyboard are NOT supplied with this board, you need to buy those separately. The board only provides interface connector for the LCD and keyboard. Depending on the selected processor, there are 5 different models of this board: Mini51-P: With P89C51RD2 (only 768 bytes on-chip XRAM, 2X speed) Mini51-P8: With P89C668 (7936 bytes on-chip XRAM, 2X speed) Mini51-P9: With P89C669 (96K on-chip code memory, 2048 bytes on-chip data memory (EDATA + XDATA), 2X speed) Mini51-U: With DS89C420 (1024 bytes on-chip XRAM, second serial port, upto 12X speed) Mini51-A831: With ADuC831 (2048 bytes on-chip XRAM, 8 Analog Inputs + 2 Analog outputs, 12 bit resolution) Mini51 Model Selection Table: Mini51 Model Name: Mini51-P Mini51-P8 Mini51-P9 Mini51-U Mini51-A831 Processor P89C51RD2 P89C668 P89C669 DS89C420 AduC831 Operating Frequency 12MHz 12MHz 12MHz 11.059MHz 11.059MHz Speed 2X 2X 2X upto 12X 1X Program Flash (ISP) 64KB 64KB 96KB 16KB 62KB On-chip SRAM 768 Bytes 7936 Bytes 2048 Bytes 1024 Bytes 2048 Bytes Serial Ports 1 1 2 2 1 Hardware I2C support No Yes Yes No Yes Hardware SPI support No No No No Yes Temperature sensor No No No No Yes On-chip EEPROM None None None None 4KB On-board Analog In None None None None 8 (12 bit) On-board Analog Out None None None None 2 (12 bit) SAIO Compatibility Yes Yes Yes Yes No Price (INR)* 6500.00 6950.00 6950.00 6950.00 7400.00 Price (USD)* 120.00 129.00 129.00 129.00 148.00 Price (EUR)* 111.00 119.10 119.10 119.10 127.20 SAIO add-on board: ·         Compatible with all Mini51 models except Mini51-A831 ·         8 Analog inputs ·         8 bit resolution ·         Analog input range 0 to +5V ·         2 Analog outputs with 8 bit resolution ·         Analog output range 0 to +5V ·         Compatible with Mini51 ·         Mounts directly on Mini51 ·         Serial input/output via I2C-bus ·         Board size: 52mm X 32mm ·         ADC/DAC driver routines (in C) available 8051 Single Board Computer: SBC51: is Single Board Computer for 8051 family; 4 different models are available to support 4 different processors: SBC51-A uses AT89C52 @ 11.059 MHz (Standard speed) SBC51-P uses P89C51RD2 @ 11.059 MHz (Double speed) SBC51-P9 uses P89C669 @ 11.059 MHz (Double speed) SBC51-U uses DS89C450 @ 11.059 MHz (12X speed) On-chip serial port available as RS232 port with DB9 connector. Second serial port (available only with SBC51-P9 and SBC51-U version) available as TTL or RS232. 64K ISP flash program memory (96KB in SBC51-P9). On-chip data XRAM 768 bytes (only with double speed option) / 1024 bytes (only with 12X speed option) On-board 124KB data memory, accessible as 2 banks of 62KB (in SBC51-A, SBC51-P, SBC51-U). SBC51-P9 has on-board 128KBytes continuous data memory (possible due to MX architecture). On-board PS/2 keyboard interface connector. On-board parallel printer port with DB25 female connector. 64KB I2C compatible EEPROM for non-volatile data storage. I2C compatible RTC with suitable Battery for clock / calendar. (Optional) Text LCD module – 16 char X 1 row  or 16 char X 2 rows. Unused chip-select signals available for external I/O expansion. Suitable power supply included (requires 230VAC). Data bus and other necessary control signals available on connector for expansion. Unused (or optionally used) port pins available on connector. Board size: 135 mm X 115 mm. Optional add-on board  provides 8 bipolar analog inputs (12 bit resolution). Accompanying CD includes PC software (runs on Windows95/98) to download program (Intel HEX format file) into on-chip or on-board program memory. (Download into on-chip program memory is possible only for SBC51-P and SBC51-U; download into on-board program memory is possible for all 3 models). Also includes several example programs, and code size limited evaluation versions of our software development tools such as C Compiler for 8051 . SBC51 Model Selection Table: SBC51 Model Name: SBC51-A SBC51-P SBC51-P9 SBC51-U Processor AT89C52 P89C51RD2 P89C669 DS89C450 Operating Frequency 11.059 MHz 11.059 MHz 11.059 MHz 11.059 MHz Speed 1X 2X 2X Upto 12X Program Memory 64K, ISP 64K, ISP 96K, ISP 64K, ISP On-chip XData Memory None 768 Bytes 768 Bytes 1024 Bytes On-board Xdata Memory 124 KBytes 124 KBytes 128 KBytes 124 KBytes Serial Ports 1 1 2 2 Price (INR)* 5900.00 5900.00 6100.00 6100.00 Price (USD)* 118.00 118.00 126.00 126.00 Price (EUR)* 106.20 106.20 113.40 113.40 SS-AI12 add-on board: ·         Compatible with SBC51 ·         Mounts directly on SBC51 ·         Memory mapped interface ·         8 bipolar analog inputs ·         12 bit resolution ·         2.5V precision reference ·         Analog input range -5V to +5V ·         Includes 8 TestPOTs, for simulating Analog Inputs ·         TestPOTs generate 0 to 5V or -5V to +5V ·         10 pin connector for external analog inputs ·         Board size: 81mm X 78mm ·         ADC driver routines (in C) available     Note: The Specification is subject to change without notice. Hardware only  Part number MOQ  One unit Price Signal board computer SBC 25 USD    $157.00