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R5H30211 - Microcomputer

Description

Power supply pin: 3.0 V to 3.6 V Ground pin: 0 V External clock input pin Reset pin: Low-level input resets the chip.

Features

  • of this LSI. Table 1 CPU Features Item Specification H8/300H CPU Upper compatible with the H8/300 CPU in the object level Sixteen 16-bit registers (Sixteen 8-bit registers + eight 16-bit registers or Eight 32-bit registers).
  • High-speed operation  Maximum clock rate: internal clock 10 MHz  Add/subtract: 0.20 µs (10 MHz)  Multiply/divide: 1.40 µs (10 MHz).
  • Streamlined, concise instruction set  16-bit variable instruction length: 2 to 10 bytes  arithmetic and logic operation.

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Full PDF Text Transcription

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R5H30211 Renesas Microcomputer REJ03B0259-0110 Rev.1.10 Jun. 05, 2009 Overview This LSI is a single-chip microcontroller unit (MCU) built around the H8/300H CPU. Four I/O ports, ROM, RAM, EEPROM, a random number generator (RNG), a watchdog timer (WDT), a firewall management unit (FMU), interval timers (TMR1/TMR2), I2C bus interface (IIC2), synchronous serial communication unit (SSU), and a coprocessor are included. Operating at a maximum 10-MHz internal clock rate, the H8/300H CPU rapidly executes bit manipulation instructions, arithmetic and logic instructions, and data transfer instructions. The on-chip coprocessor executes modular multiplications (such as ABR-1 modN + kN), which are used to calculate modular exponentiation XY modN, and DES calculation processing at a high speed.
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