General Description

The MAXQ305 is a reduced supply voltage, low-power, 16-bit MAXQM microcontroller designed for low-power applications including universal remote controls, consumer electronics, and white goods. The MAXQ305 combines a powerful 16-bit RISC microcontroller and integrated peripherals including two USART ports and a SPI master/slave communications port, along with an IR module with carrier frequency generation and flexible port I/O capable of multiplexed keypad control. The MAXQ305 includes 80KB of flash program memory and 2KB of data SRAM.

Features

◆ High-Performance, Low-Power 16-Bit RISC Core

◆ 0.9V to 3.6V Operating Voltage Range

◆ DC to 12MHz for Code Execution in Performance Mode

◆ 16-Bit Instruction Word, 16-Bit Data Bus

◆ 16 x 16-Bit General-Purpose Working Registers

◆ Secure MMU for Application Partitioning and IP Protection

◆ Memory Features

    ◇ 80KB Program Flash Memory

    ◇ 2KB Data SRAM

◆ Additional Peripherals

    ◇ Power-Fail Warning

    ◇ Power-On Reset/Brownout Reset

    ◇ Automatic IR Carrier Frequency Generation and Modulation

    ◇ One IR Diode Direct Drive Pin

    ◇ Two High Current Visual LED Direct Drive Pins

    ◇ Two 16-Bit, Programmable Timers/Counters

    ◇ One SPI Port and Two USART Ports

    ◇ Programmable Watchdog Timer

    ◇ 8kHz Nanopower Ring Oscillator Wake-Up Timer

    ◇ Up to 32 General-Purpose I/Os

◆ Low Power Consumption

    ◇ 0.4µA (typ), 2.0µA (max) in Stop Mode, TA = +25°C

    ◇ 1.36mA (typ) in Green Mode (Code Execution at 4MHz)

Applications

    Remote Controls

    Battery-Powered Portable Equipment

    Consumer Electronics

    Home Appliances

    White Goods