M37221M4H-XXXFP

M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP REJ03B0134-0100Z SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER Rev.1.00 with ON-SCREEN DISPLAY CONTROLLER Oct 01, 2002 1. DESCRIPTION The M37221M4H/M6H/M8H/MAH-XXXSP/FP are single-chip microcomputers designed with CMOS silicon gate technology. They have a OSD, I2C-BUS interface, and PWM, making them perfect for TV channel selection system. The M37221EASP/FP have a built-in PROM that can be written electrically. 2. FEATURES ●Number of basic instructions ..................................................... 71 ●Memory size ROM ............. 16K bytes (M37221M4H-XXXSP/FP) 24K bytes (M37221M6H-XXXSP/FP) 32K bytes (M37221M8H-XXXSP/FP) 40K bytes (M37221MAH-XXXSP/FP, M37221EASP/FP) RAM ............. 384 bytes (M37221M4H-XXXSP/FP) 448 bytes (M37221M6H-XXXSP/FP) 576 bytes (M37221M8H-XXXSP/FP) 704 bytes (M37221MAH-XXXSP/FP, M37221EASP/FP) (ROM correction memory included) ●The minimum instruction execution time ................