PIC24F 16-bit Microcontroller featuring integrated Hardware Crypto module and eXtreme Low Power. This family also includes 256KB Flash, 16KB RAM, USB, LCD and advanced peripherals. The combination of features makes the part ideally suited for low power embedded security applications.

Cryptographic Engine

  Performs NIST Standard Encryption/Decryption Operations without CPU Intervention

  AES Cipher Support for 128, 192 and 256-Bit Keys

  DES/3DES Cipher Support, with up to Three Unique Keys for 3DES

  Supports ECB, CBC, OFB, CTR and CFB128 modes

  Programmatically Secure OTP Array for Key Storage

  True Random Number Generation

  Battery-Backed RAM Key Storage

Extreme Low-Power

  Multiple Power Management Options for Extreme Power Reduction:

  VBAT allows for lowest power consumption on backup battery (with or without RTCC)

  Deep Sleep allows near total power-down with the ability to wake-up on external triggers

  Sleep and Idle modes selectively shut down peripherals and/or core for substantial power reduction and fast wake-up

  Doze mode allows CPU to run at a lower clock speed than peripherals

  Alternate Clock modes allow On-the-Fly Switching to a Lower Clock Speed for Selective Power Reduction

  Extreme Low-Power Current Consumption for Deep Sleep

  WDT: 650 nA @ 2V typical

  RTCC: 650 nA @ 32 kHz, 2V typical

  Deep Sleep current, 60 nA typical

  160 uA/MHz in Run mode

CPU

  Modified Harvard Architecture

  Up to 16 MIPS Operation @ 32 MHz

  8 MHz Internal Oscillator:

  96 MHz PLL option

  Multiple clock divide options

  Run-time self-calibration capability for maintaining better than ±0.20% accuracy

  Fast start-up

  17-Bit x 17-Bit Single-Cycle Hardware Fractional/Integer Multiplier

  32-Bit by 16-Bit Hardware Divider

  16 x 16-Bit Working Register Array

  C Compiler Optimized Instruction Set Architecture

  Two Address Generation Units for Separate Read and Write Addressing of Data Memory

Analog Features

  10/12-Bit, up to 24-Channel Analog-to-Digital (A/D) Converter:

  Conversion rate of 500 ksps (10-bit), 200 kbps (12-bit)

  Auto-scan and threshold compare features

  Conversion available during Sleep

  One 10-Bit Digital-to-Analog Converter (DAC):

  1 Msps update rate

  Three Rail-to-Rail, Enhanced Analog Comparators with Programmable Input/Output Configuration

  Charge Time Measurement Unit (CTMU):

  Used for capacitive touch sensing, up to 24 channels

  Time measurement down to 100 ps resolution

Dual Partition Flash with Live Update Capability

  Capable of Holding Two Independent Software Applications, including Bootloader

  Permits Simultaneous Programming of One Partition while Executing Application Code from the Other

  Allows Run-Time Switching Between Active Partitions