CDP1855

CMOS Peripherals - - - - - - - - - - - - - - - - - - - - - - - - - - - CDP1855, CDP1855C eE CLEAR ell co/OF Yl ZL mnn elK ST8 ROI'W"E: RA 2 RAI RAil VSS 28 Vee 27 CNe cr26 CN I 4 25 5 24 YR 6 23 ZR 7 22 BUS 7 8 21 BUS 6 9 20 BUS 5 10 19 BUS 4 II 18 BUS 3 12 17 BUS 2 13 16 suS I 14 15 BUSg TOP VIEW 92CS- 2996!5R2 TERMINAL ASSIGNMENT 8-Bit Programmable Multiply/Divide Unit Features: Cascadable up to 4 units for 32-bit by 32-bit multiply or64 -7- 32 bit divide 8-blt by 8-bit multiply or 16 -7- 18 bit divide in 5.6 jJs at 5 Vor 2.8 jJs at 10 V Direct interface to CDP1800 series microprocessors Easy interface to other 8-bit microprocessors Significantly increases throughput of microprocessor used for arithmetic calculations The RCA-CDP1855 and CDP1855C are CMOS 8-bit multiply/divide units which can be used to greatly increase the capabilities of 8-bit microprocessors. They perform multiply and divide operations on unsigned, binary operators. In general, microprocess...