Product Description
TMS 9981 CPU embedded version of 9900 40 pin package; 5V and +12V power supplies. uses an 8-bit bidirectional data bus, so that standard memory and I/O chips, developed for 8-bit microcomputers. are easily used in 9981 systems; internally the chip is still a 16-bit microprocessor. and the 9900 instruction set is preserved. addressing capability 16 Kbytes of memory. uses a crystal to generate the timing;
