ADUCM360
Low power precision analog microcontroller, ARM cortex M3 with dual sigma-delta ADCs
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Features
- Analog input/output
- Dual (24-bit) ADCs
- 6 differential or 12 single-ended input channels
- Programmable Gain Amplifiers (PGA) (1-128) for each ADC
- Flexible input MUX for input channel selection to both ADCs
- Buffers for external reference connection
- Programmable sensor excitation current sources
- On-chip precision voltage reference
- Single 12-bit voltage output DAC
- NPN mode for 4 mA to 20 mA loop applications
- Microcontroller
- ARM Cortex-M3 32-bit processor
- Serial wire download and debug
- Internal watch crystal for wakeup timer
- 16 MHz oscillator with 8-way programmable divider
- Memory
- 128 kB Flash/EE Memory, 8k Bytes SRAM
- In-circuit debug/download via Serial Wire and UART
- Power
- Operates directly from a 3.0V battery
- Power consumption
- MCU Active Mode: Core consumes 290μA / MHz
- Active Mode: 1.0mA (All peripherals active), core operating at 500KHz
- Supply Range: 1.8V to 3.6V (max)
- Power down mode: 4μA (WU Timer Active)
- On-chip peripheral
- UART, I2C and 2 x SPI serial I/O
- 16-bit PWM controller
- 19-pin multifunction GPIO Port
- See data sheet for additional features
- Package and temperature range
- 48-lead LFCSP (7mm x 7mm) package –40°C to 125°C
- Development tools
- Low cost QuickStart Development System
- Third-party compiler and emulator tool support
- Multiple functional safety features for improved diagnostics
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The ADuCM360/ADuCM361 contain an on-chip 32 kHz oscillator and an internal 16 MHz high frequency oscillator. The high frequency oscillator is routed through a programmable clock divider from which the operating frequency of the processor core clock is generated. The maximum core clock speed is 16 MHz; this speed is not limited by operating voltage or temperature.
The microcontroller core is a low power ARM Cortex-M3 processor, a 32-bit RISC machine that offers up to 20 MIPS peak performance. The Cortex-M3 processor incorporates a flexible, 11-channel DMA controller that supports all wired communica-tion peripherals (SPI, UART, and I2C). Also integrated on chip are 128 kB of nonvolatile Flash/EE memory and 8 kB of SRAM.
The analog subsystem consists of dual ADCs, each connected to a flexible input mux. Both ADCs can operate in fully differential and single-ended modes. Other on-chip ADC features include dual programmable excitation current sources, diagnostic current sources, and a bias voltage generator of AVDD_REG/2 (900 mV) to set the common-mode voltage of an input channel. A low-side internal ground switch is provided to allow power-down of an external circuit (for example, a bridge circuit) between conversions.
The ADCs contain two parallel filters: a sinc3 or sinc4 filter in parallel with a sinc2 filter. The sinc3 or sinc4 filter is used for precision measurements. The sinc2 filter is used for fast measure-ments and for the detection of step changes in the input signal.
The devices contain a low noise, low drift internal band gap ref-erence, but they can be configured to accept one or two external reference sources in ratiometric measurement configurations. An option to buffer the external reference inputs is provided on chip. A single-channel buffered voltage output DAC is also provided on chip.
The ADuCM360/ADuCM361 integrate a range of on-chip peripherals, which can be configured under microcontroller software control as required in the application. The peripherals include UART, I2C, and dual SPI serial I/O communication controllers; a 19-pin GPIO port; two general-purpose timers; a wake-up timer; and a system watchdog timer. A 16-bit PWM controller with six output channels is also provided.
The ADuCM360/ADuCM361 are specifically designed to operate in battery-powered applications where low power operation is critical. The microcontroller core can be configured in a normal operating mode that consumes 290 μA/MHz (including flash/ SRAM IDD). An overall system current consumption of 1 mA can be achieved with both ADCs on (input buffers off), PGA gain of 4, one SPI port on, and all timers on.
The ADuCM360/ADuCM361 can be configured in a number of low power operating modes under direct program control, including a hibernate mode (internal wake-up timer active) that consumes only 4 μA. In hibernate mode, peripherals such as external interrupts or the internal wake-up timer can wake up the device. This mode allows the part to operate with ultralow power and still respond to asynchronous external or periodic events.
APPLICATIONS
- Industrial automation and process control
- Intelligent precision sensing systems
- 4 mA to 20 mA loop-powered smart sensor systems
- Medical devices, patient monitoring
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Ask a Question
Submit your question below and we will return the best answer from ADI’s knowledge database:
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Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.
Visit the ADI Support Page
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ADUCM360
Documentation
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Application Note 8
AN-1367: I2C Interface Between the ADE7953 and the ADuCM360 (Rev.0)
AN-1159: I²C-Compatible Interface on Cortex-M3 Based Precision Analog Microcontroller (ADuCxxx Family) (Rev.A)
AN-534: Adding HART® Capability to the AD421, Loop-Powered 4 mA to 20 mA DAC Using the AD5700 HART Modem
AN-1111: Options for Minimizing Power Consumption When Using the ADuCM360/ADuCM361
AN-111: Single-Supply Wien Bridge Oscillator
AN-1160: Cortex-M3-Based Serial Download Protocol
AN-1320: ADuCM360/ADuCM361 Self Diagnostic Features
AN-1250: Interfacing an ADT7310/ADT7410 to a Cortex-M3 Based Precision Analog Microcontroller (ADuCM360)
Technical Articles 7
MS-2528: Power Consumption: A Primary Consideration in Smart Transmitter Design
"Home" Is Where the Heart Is
Power Limitations of Loop-Powered Smart Transmitters
Precision Counts in IoT
Design Trade-Offs for Loop Powered Transmitters
Smart Integration: Combining Analog Components with Arm Microcontroller Cores to Solve Tough Embedded System Problems
Power Consumption: a Primary Consideration in Smart Transmitter Design
Informational 1
Frequently Asked Question 1
Circuit Note 8
Analog Dialogue 4
Webcast 3
Video
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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| ADUCM360BCPZ128 |
48-Lead LFCSP (7mm x 7mm x 0.85mm w/ EP)
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| ADUCM360BCPZ128-R7 |
48-Lead LFCSP (7mm x 7mm x 0.85mm w/ EP)
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- ADUCM360BCPZ128
- Pin/Package Drawing
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48-Lead LFCSP (7mm x 7mm x 0.85mm w/ EP)
- Documentation
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Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
- ADUCM360BCPZ128-R7
- Pin/Package Drawing
-
48-Lead LFCSP (7mm x 7mm x 0.85mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Ultra Librarian
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SamacSys
Filter by Model
Part Models
Product Lifecycle
PCN
Jul 28, 2017
- 17_0125
ADuCM360/361 Minor Metal Mask Edit
ADUCM360BCPZ128
PRODUCTION
ADUCM360BCPZ128-R7
PRODUCTION
May 9, 2016
- 16_0095
ADuCM360/ADuCM361 ESD Rating and DAC Interpolation Mode Data Sheet Specification Change
ADUCM360BCPZ128
PRODUCTION
ADUCM360BCPZ128-R7
PRODUCTION
Aug 6, 2014
- 13_0232
Assembly and Test Transfer of Select 6x6 and 7x7mm LFCSP Products to STATS ChipPAC China
ADUCM360BCPZ128
PRODUCTION
ADUCM360BCPZ128-R7
PRODUCTION
Jul 7, 2014
- 14_0163
Data Sheet & Silicon Anomaly Sheet updates for ADuC7023, ADuC7121, ADuC7122, ADuC7124/6, ADuC7060/61, ADuCM360/1, ADuCM350 product
ADUCM360BCPZ128
PRODUCTION
ADUCM360BCPZ128-R7
PRODUCTION
Nov 28, 2012
- 12_0306
ADuCM360/ADuCM361 Kernal Revision
ADUCM360BCPZ128
PRODUCTION
ADUCM360BCPZ128-R7
PRODUCTION
Filter by Model
Part Models
Product Lifecycle
PCN
Jul 28, 2017
- 17_0125
ADuCM360/361 Minor Metal Mask Edit
May 9, 2016
- 16_0095
ADuCM360/ADuCM361 ESD Rating and DAC Interpolation Mode Data Sheet Specification Change
Aug 6, 2014
- 13_0232
Assembly and Test Transfer of Select 6x6 and 7x7mm LFCSP Products to STATS ChipPAC China
ADUCM360BCPZ128
PRODUCTION
ADUCM360BCPZ128-R7
PRODUCTION
Jul 7, 2014
- 14_0163
Data Sheet & Silicon Anomaly Sheet updates for ADuC7023, ADuC7121, ADuC7122, ADuC7124/6, ADuC7060/61, ADuCM360/1, ADuCM350 product
Nov 28, 2012
- 12_0306
ADuCM360/ADuCM361 Kernal Revision
Software & Part Ecosystem
| Parts | Product Life Cycle | Description | ||
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4-20mA Current Loop D/A Converters3 |
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PRODUCTION |
16-Bit, Serial Input, Loop-Powered, 4mA to 20mA DAC |
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PRODUCTION |
Single Channel, 12-Bit, Current Source & Voltage Output DAC, HART Connectivity |
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PRODUCTION |
Single Channel, 16-Bit, Current Source & Voltage Output DAC, HART Connectivity |
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Digital Temperature Sensors1 |
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PRODUCTION |
±0.5°C Accurate, 16-Bit Digital I2C Temperature Sensor |
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HART Interface Solutions2 |
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Low Power HART Modem |
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Low Power HART Modem with Precision Internal Oscillator |
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Positive Linear Regulators (LDO)1 |
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PRODUCTION |
50 mA, High Voltage, Micropower Linear Regulator |
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RS-232 and RS-5621 |
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High-Speed, 2-Channel RS232/V.28 Interface Devices |
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USB Isolators2 |
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Full/Low Speed USB Digital Isolator |
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Full/Low Speed USB Digital Isolator |
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Evaluation Kits 2
EVAL-ADUCM360
ADUCM360/361 DEVELOPMENT SYSTEM
Product Detail
ADI provides low cost development platforms for the Cortex M3 based ADuCxxx microcontrollers.
EVAL-ADuCM360QSPZ evaluation kit can be used to fully evaluate the ADuCM361. The ADuCM360/361 are pin compatible and are identical except the ADC0 is not available on ADuCM361.
The hardware is designed for simplicity, flexibility and ease of use. This facilitates performance evaluation of the device with the minimum external components. The supplied ADI J-link OB emulator connects to the miniboard, providing supply, UART communication and debug capability.
The QuickStart Plus Kit for the ADuCM360/361 Precision Analog Microcontrollers features true non-intrusive Serial Wire emulation and an assembly & C-source debugging environment. This provides a comprehensive hardware development environment.
QuickStart Plus Kit Contents:
Hardware Contents
- Evaluation Board
- USB Cable
- ADI J-Link OB emulator
- Keil MDKARMevaluation version integrated software development tool
- IAR EWARM evaluation version integrated software development tool
- CM3WSD Serial DownloaderExample Code
- Function Libraries
- Get Started User Guide
- Datasheets, Application Notes, Etc.
Note that the J-Link Lite and interface boards previously included in this development system are being replaced by a new ADI J-Link OB emulator with similar functionalities.
Resources
WIKI
Software
ZIP
ZIP
ZIP
811.94 K
EVAL-ADICUP360
Arduino form factor compatible ARM Cortex-M3 Development Platform
Product Detail
The EVAL-ADICUP360 is an Arduino and PMOD compatible form factor development board. The board uses CrossCore Embedded Studio, an open source Eclipse based Interactive Development Environment (IDE), which can be downloaded free of charge. The platform contains many hardware and software example projects, to make it easier for customers to prototype/create systems and solutions using the complete ecosystem provided.
The EVAL-ADICUP360 uses the ADuCM360 Arm Cortex-M3 processor as the main device on board. It has integrated dual 24-bit sigma delta converters on chip, which make it extremely flexible for both analog and digital application.
Resources
Tools & Simulations 4
Sigma-Delta ADC Tutorial
Design Tool
Design Tool
Design Tool
Design Tool
Reference Designs 8
CN0338
NDIR Thermopile-Based Gas Sensing Circuit
Circuits from the lab
Info:Circuits from the lab
CN0267
Complete 4 mA to 20 mA Loop Powered Field Instrument with HART Interface
Circuits from the lab
Info:Circuits from the lab
Resources
CN0221
USB - Based, Thermocouple Temperature Measurement System Using ARM Cortex - M3
Circuits from the lab
Info:Circuits from the lab
CN0352
Cost Effective, Multichannel Lithium Ion Battery Testing System
Circuits from the lab
Info:Circuits from the lab
CN0300
12-Bit, 4-20mA Loop-Powered Thermocouple Measurement System Using ARM Cortex-M3
Circuits from the lab
Info:Circuits from the lab
CN0359
Fully Automatic High Performance Conductivity Measurement System
Circuits from the lab
Info:Circuits from the lab
Part Used 16
CN0319
14-Bit, 4-20 mA, Loop Powered, Thermocouple Temperature Measurement System Using ARM Cortex-M3
Circuits from the lab
Info:Circuits from the lab
CN0394
Flexible, Low Power, 4-Channel Thermocouple System with Arduino-Compatible Analog Interface
Circuits from the lab
Info:Circuits from the lab
Part Used 1
Reference Designs8
CN0338
NDIR Thermopile-Based Gas Sensing Circuit
CN0267
Complete 4 mA to 20 mA Loop Powered Field Instrument with HART Interface
CN0221
USB - Based, Thermocouple Temperature Measurement System Using ARM Cortex - M3
CN0352
Cost Effective, Multichannel Lithium Ion Battery Testing System
CN0300
12-Bit, 4-20mA Loop-Powered Thermocouple Measurement System Using ARM Cortex-M3
CN0359
Fully Automatic High Performance Conductivity Measurement System
CN0319
14-Bit, 4-20 mA, Loop Powered, Thermocouple Temperature Measurement System Using ARM Cortex-M3
CN0394
Flexible, Low Power, 4-Channel Thermocouple System with Arduino-Compatible Analog Interface
