Precision Analog Microcontroller, Analog I/O with MDIO Interface, ARM Cortex-M3 Data Sheet ADuCM322 FEATURES Software triggered in-circuit reprogrammability via management data input/output (MDIO) Analog input/output On-chip peripherals Multichannel, 12-bit, 1 MSPS analog-to-digital MDIO slave up to 4 MHz converter (ADC) 2 2 I C, 2 SPI, UART Up to 16 ADC input channels Multiple general-purpose input/output (GPIO) balls: 3.6 V 0 V to VREF analog input range compliant Single-ended modes 7 1.2 V compatible when used for MDIO AVDD and IOVDD monitors 32-element programmable logic array (PLA) 12-bit voltage output digital-to-analog converters (VDACs) 3 general-purpose timers 8 VDACs with a range of 0 V to 2.5 V or AV outputs DD Wake-up timer Voltage comparator Watchdog timer Microcontroller 16-bit pulse width modulator (PWM) ARM Cortex-M3 processor, 32-bit RISC architecture Power Serial wire port supports code download and debug Supply range: 2.9 V to 3.6 V Clocking options Flexible operating modes for low power applications 80 MHz phase-locked loop (PLL) with programmable divider Packages and temperature range Trimmed on-chip oscillator (3%) 6 mm 6 mm, 96-ball CSP BGA package External 16 MHz crystal option Fully specified for 40C to +105C ambient operation External clock source up to 80 MHz Tools Memory QuickStart development system 2 128 kB independent Flash/EE memories Full third-party support 10,000 cycle Flash/EE endurance 20-year Flash/EE retention APPLICATIONS 32 kB SRAM Optical networking FUNCTIONAL BLOCK DIAGRAM BUF VREF2V5 XTALO XTALI ECLKIN DGNDx 2.5V BAND GAP 1.8 V LDO CLOCK SYSTEM AVDDx 32.768kHz AIN0 AGNDx 16MHz OSC IOVDDx AIN5 80MHz PLL MUX SAR ADC IOGNDx AIN6 AIN15 GPIO PORTS UART INTERNAL ARM 2 SPI GENERAL CHANNELS: CORTEX-M3 2 PURPOSE 2 I C TEMPERATURE, PROCESSOR I/O PORTS EXT IRQS AV , IOV DD DD MDIO PLA MEMORY 3 GP TIMER 2 128kB FLASH COMPARATOR WD TIMER PWM0 TO 32kB SRAM PWM6 WAKE-UP TIMER VDAC0 VDAC PWM DMA NVIC SWDIO SERIAL WIRE VDAC7 VDAC SWCLK RESET SYSTEM ADuCM322 RESET Figure 1. Rev. A Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No Tel: 781.329.4700 20162018 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com 13754-001ADuCM322 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 ESD Caution................................................................................ 14 Applications ....................................................................................... 1 Pin Configuration and Function Descriptions ........................... 15 Functional Block Diagram .............................................................. 1 Typical Performance Characteristics ........................................... 20 Revision History ............................................................................... 2 Applications Information .............................................................. 21 General Description ......................................................................... 3 Recommended Circuit and Component Values .................... 21 Specifications ..................................................................................... 4 Outline Dimensions ....................................................................... 23 Microcontroller Electrical Specifications .................................. 4 Ordering Guide .......................................................................... 23 Timing Specifications .................................................................. 8 Absolute Maximum Ratings ..................................................... 14 REVISION HISTORY 4/2018Rev. 0 to Rev. A Changes to Table 1 ............................................................................ 4 Changes to Operating Junction Temperature Range, Table 9 .. 14 Updated Outline Dimensions ....................................................... 23 2/2016Revision 0: Initial Version Rev. A Page 2 of 23