MAXQ612, MAXQ622 具有红外模块和USB (可

MAXQ612, MAXQ622 具有红外模块和USB (可选)功能的16位微控制器

概述

The MAXQ612/MAXQ622 are low-power, 16-bit MAXQ® microcontrollers designed for low-power applications including universal remote controls, consumer electronics, and white goods. Both devices use a low-power, high-throughput, 16-bit RISC microcontroller. Serial peripherals include two universal synchronous/asynchronous receiver-transmitters (USARTs), two SPI™ master/slave communications ports, and an inter-integrated circuit (I²C) bus. The devices also incorporate an IR module with carrier frequency generation and flexible port I/O capable of multiplexed keypad control. The MAXQ622 adds a universal serial bus (USB) with integrated physical interface (PHY).

The MAXQ612/MAXQ622 include 128KB of flash memory and 6KB of data SRAM. Intellectual property (IP) protection is provided by a secure memory management unit (MMU) that supports multiple application privilege levels and protects code against copying and reverse engineering. Privilege levels enable vendors to provide libraries and applications to execute on the MAXQ612/MAXQ622, while limiting access to only data and code allowed by their privilege level.

For the ultimate in low-power battery-operated performance, the devices include an ultra-low-power stop mode (0.3µA typical). In this mode, the minimum amount of circuitry is powered. Wake-up sources include external interrupts, the power-fail interrupt, and a timer interrupt. The microcontroller runs from a wide operating voltage of 1.70V to 3.6V, and can also be powered from the USB.

关键特性

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

DC to 12MHz Operation Across Entire Operating Range

1.70V to 3.6V Operating Voltage

Can Be Powered from Battery (V_DD) or USB (V_DDB)

33 Total Instructions for Simplified Programming

Three Independent Data Pointers Accelerate Data Movement with Automatic Increment/Decrement

Dedicated Pointer for Direct Read from Code Space

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

• 128KB Flash Memory
  • 512-Byte Sectors
  • 20,000 Erase/Write Cycles per Sector
• 6KB Data SRAM

USB Features (MAXQ622 Only)

• USB 2.0 Full-Speed Compatible
• Hardware Receive and Transmit Buffers for High Throughput
• Integrated Full-Speed Transceiver
• On-Chip Termination and Pullup Resistors

Additional Peripherals

• Power-Fail Warning
• Power-On Reset (POR)/Brownout Reset
• Automatic IR Carrier Frequency Generation and Modulation
• Two 16-Bit Programmable Timers/Counters with Prescaler and Capture/Compare
• Two SPI Communication Ports
• Two USART Communication Ports
• I²C Port
• Programmable Watchdog Timer
• 8kHz Nanopower Ring Oscillator Wake-Up Timer
• Up to 56 General-Purpose I/O

Low Power Consumption

• 0.3µA (typ), 3µA (max) in Stop Mode
  • T_A = +25°C, Power-Fail Monitor Disabled
• 4.8mA (typ) at 12MHz, 520µA (typ) at 1MHz in Active Mode

应用/使用

电池供电便携式设备
消费类电子
家用产品
远端控制
白色家电

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