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General Description

The MAXQ1004 is a low-power microcontroller that integrates a 10-bit ADC, 1-WireM slave interface, SPIK, AES encryption, random-number generator (RNG), and temperature sensor with a 16-bit MAXQM pipelined CPU. Performance bandwidth is sufficient to handle master or slave challenge-response authentication in portable devices.

Features

? High-Performance, Low-Power, 16-Bit MAXQ20 RISC Core

? 6MHz Operation from an Internal Oscillator, Approaching 1MIPS per MHz

? 1.7V to 3.6V Wide Operating Voltage

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

? Up to Eight General-Purpose I/O Pins

? 16-Level Hardware Stack

? Optimized for C-Compiler (High-Speed/Density Code)

? Memory

??? 16KB Flash Memory, In-Application Programmable

??? 640B of Data RAM

??? 4KB of ROM

??? JTAG/TAP Bootloader Mode for In-System Programming

? Peripheral Features

??? 10-Bit Delta-Sigma ADC, Internal Reference

??? 1-Wire Slave Interface

??? On-Chip Power-On Reset (POR)/Power-Fail Reset

??? Overvoltage Detection

??? Programmable Watchdog Timer

??? Built-In Temperature Sensor, ±6NC

? Secure Programming Interface

??? Flash Programming Through Secure ROM Loader

??? Secret Key Destruction on Mass Erase

??? Permanent Loader Lockout Option

??? Code and Secret Scrambling

? Unique 64-Bit Serial Number

? Low-Power Consumption

??? 300nA (typ) in Stop Mode

??? 3.75mA (typ) at 6MHz, 0.8mA (typ) at 1 MHz

??? Low-Power Divide-by Modes (2, 4, 8, 256)

??? 1-Wire/Interrupt Activity Detector

Applications

??? Portable Electronics

??? Battery Chargers

??? Battery Packs