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M38514E6SP Datasheet Single-chip 8-bit CMOS Microcomputer

Manufacturer: Renesas

Overview: 3851 Group (Built-in 24 KB or more ROM) SINGLE-CHIP 8-BIT CMOS MICROPUTER REJ03B0066-0101Z Rev.1.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The 3851 group (built-in 24 KB or more ROM) is the 8-bit microputer based on the 740 family core technology.

The 3851 group (built-in 24 KB or more ROM) is designed for the household products and office automation equipment and includes serial I/O functions, 8-bit timer, I2C-BUS interface, and A-D converter.

Key Features

  • Basic machine-language instructions 71 Minimum instruction execution time 0.5 µs (at 8 MHz oscillation frequency) Memory size ROM 24K to 32K bytes RAM 640 to 1K bytes Programmable input/output ports 34 Interrupts 17 sources, 16 vectors Timers 8-bit X 4 Serial I/O1 8-bit X 1(UART or Clock-synchronized) Serial I/O2 8-bit X 1(Clock-synchronized) Multi-master I2C-BUS interface 1 channel PWM 8-bit X 1 A-D converter 10-bit X 5 channels Watchdog timer 16-bit X 1 Clock generating circuit.

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