Precision Analog Microcontroller, 14-Bit Analog

Input/Output with MDIO Interface, ARM Cortex-M3

Data Sheet

ADuCM320

Rev. C

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FEATURES

Analog input/output

Multichannel, 14-bit, 1 MSPS analog-to-digital

converter (ADC)

Up to 16 ADC input channels

0 V to VREF analog input range

Fully differential and single-ended modes

AVDD and IOVDD monitors

12-bit voltage output digital-to-analog converters (VDACs)

8 VDACs with a range of 0 V to 2.5 V or AVDD outputs

12-bit current output DACs (IDACs)

4 IDACS with a range of 0 mA to 150 mA outputs

Voltage comparator

Microcontroller

ARM® Cortex®-M3 processor, 32-bit RISC architecture

Serial wire port supports code download and debug

Clocking options

80 MHz phase-locked loop (PLL) with programmable

divider

Trimmed on-chip oscillator (±3%)

External 16 MHz crystal option

External clock source up to 80 MHz

Memory

2 × 128 kB independent Flash/EE memories

10,000 cycle Flash/EE endurance

20-year Flash/EE retention

32 kB SRAM

Software triggered in-circuit reprogrammability via

management data input/output (MDIO)

On-chip peripherals

MDIO slave up to 4 MHz

2 × I2C, 2 × SPI, UART

Multiple general-purpose input/output (GPIO) pins: 3.6 V

compliant

7 × 1.2 V compatible when used for MDIO

32-element programmable logic array (PLA)

3 general-purpose timers

Wake-up timer

Watchdog timer

16-bit pulse width modulator (PWM)

Power

Supply range: 2.9 V to 3.6 V, and 1.8 V to 2.5 V for IDACs

Flexible operating modes for low power applications

Packages and temperature range

6 mm × 6mm, 96-ball CSP_BGA package

Fully specified for −40°C to +105°C ambient operation

Tools

Low cost QuickStart™ development system

Full third party support

APPLICATIONS

Optical networking