MITSUBISHI MICROCOMPUTERS M37221EF-XXXSP,M37221EFSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER DESCRIPTION The M37221EF-XXXSP and M37221EFSP are single-chip microcomputers designed with CMOS silicon gate technology.
They are housed in a 42-pin shrink plastic molded DIP.
In addition to their simple instruction sets, the ROM, RAM and I/O addresses are placed on the same memory map to enable easy programming.
The M37221EF-XXXSP and M37221EFSP have a PWM output function and a OSD display function, so it is useful for a channel selection system for TV.
com PIN CONFIGURATION (TOP VIEW) HSYNC VSYNC P00/PWM0 P01/PWM1 P02/PWM2 P0...

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