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