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M37220M3-xxxSP Datasheet Single-chip 8-bit CMOS Microcomputer

Manufacturer: Renesas

Overview: www.DataSheet4U.com To all our customers Regarding the change of names mentioned in the document, such as Mitsubishi Electric and Mitsubishi XX, to Renesas Technology Corp. The semiconductor operations of Hitachi and Mitsubishi Electric were transferred to Renesas Technology Corporation on April 1st 2003. These operations include microcomputer, logic, analog and discrete devices, and memory chips other than DRAMs (flash memory, SRAMs etc.) Accordingly, although Mitsubishi Electric, Mitsubishi Electric Corporation, Mitsubishi Semiconductors, and other Mitsubishi brand names are mentioned in the document, these names have in fact all been changed to Renesas Technology Corp. Thank you for your understanding. Except for our corporate trademark, logo and corporate statement, no changes whatsoever have been made to the contents of the document, and these changes do not constitute any alteration to the contents of the document itself. Note : Mitsubishi Electric will continue the business operations of high frequency & optical devices and power devices. Renesas Technology Corp. Customer Support Dept. April 1, 2003 MITSUBISHI MICROCOMPUTERS M37220M3-XXXSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER www.DataSheet4U.

General Description

The M37220M3-XXXSP is a single-chip microcomputer designed with CMOS silicon gate technology.

It is 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.

Key Features

  • Number of basic instructions 71.
  • Memory size ROM 12 K bytes RAM 256 bytes ROM for display 4 K bytes RAM for display 80 bytes The minimum instruction execution time 0.5 µs (at 8 MHz oscillation frequency) Power source voltage 5 V ± 10 % Power dissipation 165 mW (at 8 MHz oscillation frequency, V CC=5.5V, at CRT display) Subroutine nesting 96 levels (maximum) Interrupts 13 types, 13 vectors 8-bit timers 4 Programmable I/O ports (Ports P0, P1, P2, P30.
  • P3 2) 27.

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