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M38857M8-XXXHP - 8-BIT CMOS MICROCOMPUTER

General Description

The 3885 group is the 8-bit microcomputer based on the 740 family core technology.

The 3885 group is designed for Keyboard Controller for the note book PC.

The multi-master I2C-bus interface can be added by option.

Key Features

  • qBasic machine-language instructions 71 qMinimum instruction execution time 0.5 µs (at 8 MHz oscillation frequency) qMemory size ROM 32K to 60K bytes RAM 1024 to 2048 bytes qProgrammable input/output ports 72 qSoftware pull-up transistors 8 qInterrupts 22 sources, 16 vectors qTimers 8-bit ✕ 4 qWatchdog timer 16-bit ✕ 1 qPWM output 14-bit ✕ 2 qSerial I/O 8-bit ✕ 1(UART or Clock-synchronized) qMulti-master I2C bus interface (option) 1 channel qLPC interface 2 chan.

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MITSUBISHI MICROCOMPUTERS 3885 Group SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER GENERAL DESCRIPTION The 3885 group is the 8-bit microcomputer based on the 740 family core technology. The 3885 group is designed for Keyboard Controller for the note book PC. The multi-master I2C-bus interface can be added by option. FEATURES qBasic machine-language instructions ...................................... 71 qMinimum instruction execution time .................................. 0.5 µs (at 8 MHz oscillation frequency) qMemory size ROM ................................................................. 32K to 60K bytes RAM ............................................................... 1024 to 2048 bytes qProgrammable input/output ports ............................................