ZIATECH ZT8901-S166 CPU Board. STD Bus Interface CPU Board

Quick Specs

Board Form	STD/STD 32 (6.5 x 4.5 in / 165 x 114 mm)
Manufacturer	ZIATECH

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Product Features

• Three 16-bit counter/timers (V53 with 8254 architecture)
• STD 32 multiple master operation
• 16 MHz (ZT 8901) or 12.5 MHz (ZT 89CT01) V53 microprocessor
• Higher performance than 16 MHz 80286/386SX processors
• Two 32-pin PLCC sockets accept EPROM and Flash devices
• One 8-bit and 16-bit SBX expansion module, with DMA support (Intel iSBXä compatible)
• Two 32-pin DIP sockets accept RAM devices with optional battery backup
• Optional STD ROM development system
• Push-button reset
• 64 Kbyte I/O address range
• Single-stage watchdog timer
• 16 Mbyte memory address range
• Optional DOS operating system
• Real-time clock with optional battery backup
• Optional cables for parallel and serial interface
• Two RS-232/485 serial ports, one with DMA support (16552 with 8250 architecture)
• Three DMA channels (V53 with 8237 or 71087 architecture)
• AC/DC power monitor
• 48 parallel I/O points (Opto 22 compatible)
• One interrupt controller (V53 with 8259 architecture)
• Software-programmable LED
• One RS-232 serial port (V53 with 8251 architecture)
• 80287 numeric data processor socket
• Burned in at 55° Celsius and tested to guarantee reliability
• Low power CMOS operation with sleep modes
• STD-80 and STD 32 bus compatible