Aducm356 Overview; Main Features Of The Aducm356 - Analog Devices ADuCM356 Reference Manual

Reference Manual

ADUCM356 OVERVIEW

MAIN FEATURES OF THE ADUCM356

Analog-to-Digital Converter (ADC)
The device has the following ADC features:
16-bit multichannel successive approximation register (SAR)
►
ADC.
Up to 34 input channels, programmable via input mux.
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Low noise transimpedance amplifiers (TIAs) for accurate current
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measurements.
Low noise programmable-gain amplifier (PGA) for accurate
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measurement of small input-voltage signals.
Internal 1.82 V and 2.5 V voltage reference sources.
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Hardware accelerators, including digital discrete Fourier trans-
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form (DFT) calculations.
Digital-to-Analog Converters (DACs)
The device has the following DACs related features:
Low-power, low noise amplifiers designed for biasing external
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electrochemical sensors.
Two dual output, low-power DACs designed to set external
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sensor bias voltage and to support pulse and voltammetry elec-
trochemical techniques.
Programmable switch configuration to support interfacing to a
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variety of sensors and external pins.
High bandwidth DAC and excitation amplifier designed to gener-
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ate an excitation signal for impedance measurements up to 200
kHz.
Communication
The ADuCM356 contains the following communication features:
Industry-standard, 16450/16550 universal asynchronous receiv-
►
er/transmitter (UART) peripheral, and support for direct memory
access (DMA). Also supports wake up from hibernate mode
through the UART receive input.
2
I C, 2-byte transmit and receive first in, first out (FIFOs) for the
►
initiator and the target, and support for DMA.
Two serial-peripheral interfaces (SPIs) with controller and periph-
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eral, separate 4-byte receive and transmit FIFOs, and receive
and transmit DMA channels.
Multiple general-purpose input/output (GPIO) pins.
►
Processor
The processor of the ADuCM356 operates using the following:
® ™
Arm Cortex -M3 processor, operating from an internal 26 MHz
►
system clock.
256 kB Flash/EE memory, 64 kB static random-access memory
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(SRAM) on digital die.
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In circuit programming and debug through a serial wire.
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On-Chip Peripherals
The device incorporates the following on-chip peripherals:
Three general-purpose timers on the digital die. There are two
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general-purpose timers on the analog die.
Wake-up timer on the digital die. There is an optional wake-up
►
timer also on the analog die.
Independent watchdog timer on the analog die.
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Package
The device is packaged in a 6 mm × 5 mm, 72-lead land grid array
(LGA). The temperature range of the device is −40°C to +85°C.
A low cost development system and a third party compiler and
emulator tool support are included in the ADuCM356 evaluation kit.
Applications
The applications of the ADuCM356 include the following:
Gas detection.
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Food quality.
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Environmental sensing (air, water, and soil).
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Blood glucose meters.
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Life sciences and biosensing analysis.
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Bioimpedance measurements.
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General amperometry, voltammetry, and impedance.
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Memory Organization
The memory organization of the device operates using the follow-
ing:
Arm Cortex-M3 memory system features include a predefined
►
memory map, support for bit band operation for atomic opera-
tions, and unaligned data access.
On-chip peripherals are accessed via memory-mapped registers,
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situated in the bit band region.
User memory size options are 256 kB Flash/EE memory and 64
►
kB SRAM.
On-chip kernel for booting device with manufacturer data.
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ADuCM356
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