CDP1804AC

1800-Serles Microprocessors and Microcomputers _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ CDP1804AC TERMINAL ASSIGNMENT CLOCI( WATt cern SCI SCO MRo BUS 7 BUS 6 aus 5 BUS 4 BUS 3 BUS 2 BUS I BUS 0 EMS/ME N2 NI NO VSS .0 39 38 37 36 35 3. 33 32 10 31 " 30 12 29 13 20 I. 27 15 2. "I. 17 2. I. 23 19 22 20 21 TOP VIEW =Voo l5MATN l5iiAOij'f INTERRUPT lCMOS a-Bit Microcomputer With On-Chip RAM, ROM, and Counter/Timer Performance Features: Instruction time of 3.2 p.s, -40 to +850 C 123 instructions-upwards sofware compatible with CDP1802, CDPI805A, and CDP1806A BCD arithmetic instructions Low-power IDLE mode Pin compatible with CDP1802, CDPI805A, and CDP1806A except for terminal 16 (terminal 18 for chip-carrier package) 64K-byte memory address capability 16 x 16 matrix of on-board registers 2 K bytes of on-chip ROM On-chip crystal or RC control/ed oscillator 64 bytes of on-chip RA...