ADUCM361BCPZ128-R7
Analog Devices Inc.United States

ADUCM361BCPZ128-R7

ActiveMicrocontrollers48-lead

IC MCU 32BIT 128KB FLASH 48LFCSP

The ADuCM361BCPZ128-R7 is a 32-bit low-power precision analog microcontroller based on the ARM Cortex-M3 core, featuring a single 24-bit Σ-Δ ADC, 128 kB Flash, and 8 kB SRAM. It operates from 1.8 V to 3.6 V with an industrial temperature range of -40°C to +125°C in a 48-lead LFCSP package.Checked against the datasheet

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Technical parameters

Key specs

CoreCORTEX-M3
Core size32 bit
Speed16 MHzMax
Flash128 kB
RAM8 kB
I/O count19
Supply voltage1.8 ~ 3.6 V

Datasheet-verified parameters

30 items
ParameterValue and test conditionsSource
CoreARM Cortex-M3 32-bit processor
Bits32-bit
Speed16 MHz
Flash128 kB
RAM8 kB
IO Count19-pin multifunction GPIO port
Supply Voltage1.8 V to 3.6 V (maximum)
Package48-lead, 7 mm × 7 mm LFCSP
Operating Temperature-40°C to +125°C
GradeIndustrial
RoHSRoHS Compliant
ADC ResolutionSingle 24-bit ADC
ADC Output Rate3.5 Hz to 3.906 kHz
ADC Input Channels6 differential or 12 single-ended input channels
Programmable Gain1 to 128
RMS Noise52 nV at 3.53 Hz, 200 nV at 50 Hz
DAC OutputSingle 12-bit voltage output DAC
NPN Mode Current4 mA to 20 mA
Core Power Consumption290 µA/MHz
System Power Consumption1.0 mA with core operating at 500 kHz (both ADCs on, input buffers off, PGA gain of 4, one SPI port on, and all timers on)
Power-down Mode Consumption4 µA (wake-up timer active)
PWM Controller16-bit PWM controller
Timers2 general-purpose timers
Serial InterfacesUART, I 2 C, and 2 × SPI serial I/O
Absolute Maximum Rating (AVDD)-0.3 V to +3.96 V
Absolute Maximum Rating (IOVDD)-0.3 V to +3.96 V
Storage Temperature-65°C to +150°C
Junction Temperature150°C
ESD Rating (HBM)±2 kV
ESD Rating (FICDM)±1 kV
All parameters (22)ExpandCollapse
Power
Voltage - Supply (Vcc/Vdd)1.8V ~ 3.6V
Environment and package
Core Size32-Bit Single-Core
EEPROM Size-
Mounting TypeSurface Mount
Operating Temperature-40°C~125°C(TA)
PackageTape & Reel (TR); Cut Tape (CT); Digi-Reel®
Package / Case48-WFQFN Exposed Pad, CSP
Program Memory Size128KB (128K x 8)
RAM Size8K x 8
Supplier Device Package48-LFCSP (7x7)
Other
Base Product NumberADUCM361
ConnectivityI²C, SPI, UART/USART
Core ProcessorARM® Cortex®-M3
Data ConvertersA/D 11x24b; D/A 1x12b
MfrAnalog Devices Inc.
Number of I/O19
Oscillator TypeInternal
PeripheralsDMA, POR, PWM, WDT
Product StatusActive
Program Memory TypeFLASH
SeriesADuCM
Speed20 MIPS

Pinout and package

PIN CONFIGURATION AND FUNCTION…
PIN CONFIGURATION AND FUNCTION…
Package: 48-lead, 7 mm × 7 mm LFCSP
PinNameFunctionSource
1RESET: Reset Pin, Active Low Input. An internal pull-up is provided.
2P2.1/SDA/UARTDCD: General-Purpose Input/Output P2.1/I2C Serial Data Pin/UART Data Carrier Detect Pin.
3P2.2/BM: General-Purpose Input/Output P2.2/Boot Mode Input Select Pin. When this pin is held low during and for a short time after any reset sequence, the part enters UART download mode.
4XTALO: External Crystal Oscillator Output Pin. Optional 32.768 kHz source for real-time clock.
5XTALI: External Crystal Oscillator Input Pin. Optional 32.768 kHz source for real-time clock.
6IOVDD: Digital System Supply Pin. This pin must be connected to DGND via a 0.1 μF capacitor.
7DVDD_REG: This pin must be connected to DGND via a 470 nF capacitor and to Pin 18, AVDD_REG.
8AIN0: ADC Analog Input 0. This pin can be configured as a positive or negative input to either ADC in differential or single-ended mode.
9AIN1: ADC Analog Input 1. This pin can be configured as a positive or negative input to either ADC in differential or single-ended mode.
10AIN2: ADC Analog Input 2. This pin can be configured as a positive or negative input to either ADC in differential or single-ended mode.
11AIN3: ADC Analog Input 3. This pin can be configured as a positive or negative input to either ADC in differential or single-ended mode.
12AIN4/IEXC: ADC Analog Input 4/Excitation Current Source. This pin can be configured as a positive or negative input to either ADC in differential or single-ended mode (AIN4). This pin can also be configured as the output pin for Excitation Current Source 0 or Excitation Current Source 1 (IEXC).
13GND_SW: Sensor Power Switch to Analog Ground Reference.
43P1.5/IRQ5/PWM3/SCLK0: General-Purpose Input/Output P1.5/External Interrupt Request 5/PWM3 Output/SPI0 Serial Clock Pin.
44P1.6/IRQ6/PWM4/MOSI0: General-Purpose Input/Output P1.6/External Interrupt Request 6/PWM4 Output/SPI0 Master Output, Slave Input Pin.
45P1.7/IRQ7/PWM5/CSO: General-Purpose Input/Output P1.7/External Interrupt Request 7/PWM5 Output/SPI0 Chip Select Pin (Active Low).
46P2.0/SCL/UARTCLK: General-Purpose Input/Output P2.0/I2C Serial Clock Pin/Input Clock Pin for UART Block Only.
47SWCLK: Serial Wire Debug Clock Input Pin.
48SWDIO: Serial Wire Debug Data Input/Output Pin.
EPEP: Exposed Pad. The LFCSP has an exposed pad that must be soldered to a metal plate on the PCB for mechanical reasons and to DGND.

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