UPD547L

NEe Microcomputers, Inc. NEe IJ.PD547L 4-BIT SINGLE CHIP MICROCOMPUTER OESCR IPTION The IlPD547L is a IlCOM·44 4·bit single chip microcomputer, manufactured with the low power consumption PMOS process, allowing use of a single -8V power supply. The IlPD547L provides all of the hardware features of the IlCOM·44 family, and executes all 58 instructions of the IlCOM·44 instruction set. PIN CONFIGURATION CL., CL.C ~C VGG ~, ~3 PC2 PB2 PC3 PB, nqr 'PBC RESET PA3 POO PA2 PO, PAl P02 IlPD PAC P03 647L PI2 PEe PI, PEl PiC PE2 PH3 PE3 PH2 PFo 16 PF, q 17 PHl PHO PF2[j18 w ;PFj C1 19 nST PG3 PG2 PG, VSS( 21 _-o..::..~ _ _....=.;;. PGo PAO·PA3 PBO·PB3 PCO,PC3 POO·P03 PEO·PE3 PFO·PF3 PGO·PG3 PHO·PH3 PIO·PI2 iN'!' CL.O·CL., RESET VGG VSS TEST PIN NAMES Input Port A Input Port B Input/Output Port C Input/Output Port 0 Output Port E Output Port F Output Port G Output Port H Output Port I Interrupt Input External Clock Signals Resat Power Suppl y Negativa Power S...