MCXN946

Part: MCXN556SCDFT — NXP Semiconductors (MCX N54x/N94x family)

Type: Dual-core Arm Cortex-M33 MCU with on-chip accelerators

Description: Dual Arm Cortex-M33 MCU at up to 150 MHz (618 CoreMark per core) with up to 2 MB Flash, up to 512 KB SRAM, eIQ Neutron NPU (4.8 GOPs), PowerQuad DSP and EdgeLock Secure Enclave, operating from 1.71–3.6 V.

Operating Conditions:

• Supply voltage: 1.71–3.6 V
• Operating temperature: -40 to +125 °C
• Max CPU clock: 150 MHz
• IO supply range: 1.71–3.6 V full performance

Absolute Maximum Ratings:

• VDD_CORE: -0.3 to 1.26 V
• VDD_SYS: -0.3 to 1.98 V
• VDD, VDD_P2/P3/P4, VDD_BAT, VDD_ANA, VDD_USB, VDD_DCDC, VDD_LDO_SYS, VDD_LDO_CORE: max 3.63 V
• USB1_VBUS input voltage: max 5.5 V
• Digital supply current (IDD): 100 mA max
• Single digital output pin current: ±25 mA
• Storage temperature: -55 to 150 °C

Key Specs:

• Active current: down to 57 μA/MHz
• Deep Sleep: 170 μA (512 KB SRAM retention, 3.3 V, 25 °C)
• Power Down: 5.2 μA (512 KB SRAM retention, 3.3 V, 25 °C)
• Deep Power Down: down to 2.0 μA (RTC enabled, 32 KB RAM, 25 °C), 5.3 ms wake-up
• ADC: 2x 16-bit, up to 2 Msps at 16-bit and 3.15 Msps at 12-bit
• DACs: two 12-bit (1 MSample/s) and one 14-bit (5 MSample/s)
• Voltage reference: 1.0 V ±0.2 %, 15 ppm/°C drift
• GPIOs: up to 124, with 100 MHz IO on P2 and P3

Features:

• Dual Arm Cortex-M33 cores with TrustZone, MPU, FPU and SIMD on the primary core
• eIQ Neutron N1-16 NPU, PowerQuad DSP, SmartDMA
• EdgeLock Secure Enclave with secure boot, PUF-based unique identity, tamper detection
• Up to 2 MB Flash with ECC, 256 KB ROM, FlexSPI with on-the-fly encryption
• USB high-speed and full-speed with on-chip PHYs, Ethernet 10/100, 2x FlexCAN-FD, 2x I3C, uSDHC
• 10 Flexcomms (SPI/I2C/UART), 2x SAI, PDM microphone interface, TSI
• Motor control: 2x FlexPWM, 2x quadrature decoder, SINC filter
• 3 comparators, 3 op-amps, integrated buck DC-DC and LDOs

Applications:

• Industrial automation, HMI and motor drives (BLDC, PMSM)
• Smart metering, energy storage and power line communication
• Mobile robotics and motion control
• Smart home, appliances, audio and security
• Edge AI/ML anomaly detection, vision and voice recognition

Package:

• VFBGA 184-pin
• HLQFP 100-pin
• HDQFP 172-pin

Dual Arm ® Cortex ® -M33 core 32-bit MCU with TrustZone ® , up to 2 MB Flash, 512 KB SRAM, eIQ ® Neutron NPU, PowerQuad DSP, EdgeLock ® Secure Enclave, Core Profile

• MCX N9xx/5xx: Dual Arm Cortex-M33 150 MHz with 618 CoreMark (4.12 CoreMark/MHz) for each core
• MCX N2xx: Single Arm Cortex-M33 150 MHz with 618 CoreMark (4.12 CoreMark/MHz)
• 4.8 GOPs edge AI/ML acceleration with NPU
• Platform Security with EdgeLock ® Secure Enclave, Core Profile.
• -40 °C to +125 °C temperature range
• Down to 57 μA/MHz active current, 6 μA Power down mode with RTC enabled and 512 KB SRAM retention, 2 μA Deep Power-down mode with RTC active and 32 KB SRAM

• Industrial
• Energy Storage and Management System
• Smart Metering
• Power Line Communication
• Factory Automation
• Industrial HMI
• Mobile Robotics Ecosystem
• Motion Control and Robotics
• Motor Drives
• Brushless DC Motor (BLDC) Control

Highly integrated low-power dual-core Arm Cortex M33 MCU with on-chip accelerators

• Permanent Magnet Synchronous Motor (PMSM)
• Edge AI/ML Anomaly Detection and Predictive Maintainance

See References to open/download the signal multiplexing and pin assignments in xlsx format.

The Port Control Module is responsible for selecting which ALT functionality is available on each pin.

Signal multiplexing and pin assignment table is also given below:

Unless otherwise specified, propagation delays are measured from the 50% to the 50% point, and rise and fall times are measured at the 20% and 80% points, as shown in the following figure.

Figure 3. Input signal measurement reference

The table below shows the absolute minimum and maximum ratings for the device. If the values are violated, the device could be damaged. See Voltage and current operating requirements for operating requirements, and Terminology and guidelines for definitions of terms.

Table 8. Voltage and current maximum ratings

Table continues on the next page...

Highly integrated low-power dual-core Arm Cortex M33 MCU with on-chip accelerators

Highly integrated low-power dual-core Arm Cortex M33 MCU with on-chip accelerators

Table 8. Voltage and current maximum ratings...continued

Package dimensions are provided in package drawings.