ATSAM4SA16CB-ANR - 1MB Flash Cortex-M4 MCU 100-LQFP | Microchip
N.º de pieza: ATSAM4SA16CB-ANR ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $11.92 | $11,92 |
| 10 | $10.85 | $108,50 |
| 100 | $9.41 | $941,00 |
| 500 | $8.12 | $4.060,00 |
| 1.000 | $7.05 | $7.050,00 |
ATSAM4SA16CB-ANR Descripción general
A 32-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile and non-volatile memory, and programmable peripherals. Cortex-M4 devices extend Cortex-M3 by adding DSP extensions, a single-precision FPU, and optional MAC instructions, making them suited to mixed control and signal-processing workloads. Within the broader taxonomy, this part sits at: Cortex-M4 -> ARM Cortex-M -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The SAM4S family is Microchip's mainstream Cortex-M4 line aimed at industrial automation, smart energy, building control, and human-machine interface applications.
Differentiating features include 1 MB embedded Flash with secure boot, 16 KB ROM with bootloader, 152 KB SRAM, a high-speed Multi-port SRAM-USB SRAM architecture, an external bus interface (EBI) supporting SRAM, NOR Flash, NAND Flash, and PSRAM, plus 16-bit external bus on selected packages. Communication peripherals include USB 2.0 Full-Speed device/host, two CAN controllers, three USARTs, two UARTs, two TWIs (I2C), three SPIs, one SSC for audio, an I2S interface, and a 4-channel 16-bit Timer Counter plus PWM. Analog integration delivers one 12-bit ADC with up to 16 channels, one 12-bit DAC, and one analog comparator.
The architecture uses a 7-layer AHB bus matrix with 16 DMA channels for concurrent peripheral transfers, a Cortex-M4 core with Embedded Trace Module (ETM) and Instruction Trace Macrocell (ITM) for real-time debug, and a Memory Protection Unit for safety-critical partitioning. Power management integrates an on-chip voltage regulator supporting 1.62 V to 3.6 V single-supply operation, ultra-low-power modes (Backup mode with RTC and <3 µA typical consumption), and a Windowed Watchdog Timer. The 100-LQFP package provides strong thermal performance for industrial -40C to +85C ambient designs.
Typical applications include industrial PLCs and sensor hubs, building automation and HVAC controllers, smart meters and energy monitors, point-of-sale terminals, USB human-interface devices, CAN-based elevator and motor control front-ends, and consumer appliances with TFT/LCD graphical user interfaces. The combination of 1 MB Flash, dual CAN, USB, and 120 MHz Cortex-M4 with FPU enables consolidated single-MCU designs that previously required multiple processors.
When designing with this MCU, ensure the decoupling network follows the 100-LQFP reference schematic: one 100 nF X7R 0402 per VDD pin plus a bulk 4.7 µF ceramic on the main rail, and route the 32.768 kHz crystal within 5 mm of the RTC pins with a guard ring to suppress noise coupling into the ADC. The dual CAN controllers and USB Full-Speed transceiver require careful PCB stack-up and 90 ohm differential impedance to meet IEC 61000-4-2 industrial ESD.
This page consolidates distributor pricing, drop-in alternatives within the SAM4S family, and PCB-level design guidance that is not duplicated in the Microchip datasheet PDF alone.
Alternativas directas para ATSAM4SA16CB-ANR — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con ATSAM4SA16CB-ANR (mismo factor de forma y huella) — difiere en Package, ADC, USB, Operating Temperature, RoHS Status.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ATSAM4SA16CA-AUR
✅ Sustitución directa✓ En stock
$6.23 / unidad
Ver hoja de datos →ATSAM4SA16CA-ANR
✅ Sustitución directa✓ En stock
$5.38 / unidad
Ver hoja de datos →ATSAM4SA16CB-AN
✅ Sustitución directa✓ En stock
$5.95 / unidad
Ver hoja de datos →ATSAM4SA16BB-ANR
✅ Sustitución directa✓ En stock
$5.49 / unidad
Ver hoja de datos →ATSAM4SA16BA-AUR
✅ Sustitución directa✓ En stock
$5.45 / unidad
Ver hoja de datos →ATSAM4S16CB-CFNR
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ATSAM4SA16CB-ANR Valores máximos y características eléctricas
| Core Architecture | ARM Cortex-M4 with FPU |
| Bit Width | 32-bit |
| Frecuencia de reloj máxima | 120 MHz |
| Program Memory (Flash) | 1 MB (1M x 8) |
| SRAM | 152 KB |
| Operating Voltage Range | 1.62 V to 3.6 V |
| Encapsulado | 100-LQFP (14x14 mm) |
| Rango de temperatura de funcionamiento | -40C to +85C (Industrial) |
| USB | USB 2.0 Full-Speed Device/Host |
| CAN | 2x CAN 2.0B controllers |
| ADC | 1x 12-bit, up to 16 channels |
| DAC | 1x 12-bit |
| Package Mounting Type | Surface Mount |
| Nivel MSL | 3 (168 hours) |
| Lead-Free / RoHS | Yes / Compliant |
Guía de configuración de pines de ATSAM4SA16CB-ANR surface mount
Configuración de pines para ATSAM4SA16CB-ANR (encapsulado surface mount). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para ATSAM4SA16CB-ANR.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
ATSAM4SA16CB-ANR es adecuado para 7 aplicacións: Industrial PLC and Sensor Hub, Building Automation and HVAC Controller, Smart Meter and Energy Monitor, USB Human Interface Device (HID) Concentrator, CAN-Based Motor Drive Front-End, Consumer Appliance with TFT/LCD HMI, Industrial IoT Gateway with Edge Analytics.
Industrial PLC and Sensor Hub
The ATSAM4SA16CB-ANR's 120 MHz Cortex-M4 with single-precision FPU executes IEC 61131-3 logic scan cycles under 500 microseconds while its dual CAN 2.0B controllers handle isolated fieldbus networks concurrently. With 1 MB Flash the device stores multi-language HMI assets plus ladder-logic firmware, while 152 KB SRAM holds real-time process variables without external memory. The on-chip 12-bit ADC with up to 16 channels reads thermocouples, 4-20 mA loops, and bridge sensors directly, eliminating external analog front-ends in compact PLC designs.
Recomendado
Building Automation and HVAC Controller
The 100-LQFP ATSAM4SA16CB-ANR consolidates BACnet/MS-TP, Modbus, and KNX gateways on a single MCU by leveraging the dual CAN, three USARTs, and two TWIs in parallel. The 1 MB Flash stores configuration databases for thousands of building zones, and the 152 KB SRAM buffers trend logs without external SDRAM. Low-power Backup mode with RTC draws under 3 microamps, allowing battery-backed scheduling across power cycles in commercial HVAC systems.
Recomendado
Smart Meter and Energy Monitor
Designed for IEC 62053-22 accuracy class 0.2 energy meters, the ATSAM4SA16CB-ANR's 12-bit ADC samples current transformers at 4 kHz while the Cortex-M4 FPU executes real-time harmonic FFTs and RMS calculations. Dual CAN ports support DLMS/COSEM and DL/T 645 protocols, and 1 MB Flash retains rolling 90-day load profile logs. The wide 1.62 V to 3.6 V supply range tolerates battery-only or supercap-backed meter deployments in outdoor enclosures.
Recomendado
USB Human Interface Device (HID) Concentrator
The on-chip USB 2.0 Full-Speed device/host enables the ATSAM4SA16CB-ANR to act as a multi-port USB hub controller, enumerating keyboards, card readers, and barcode scanners via its integrated transceiver and 24 KB dedicated USB SRAM. The Cortex-M4's 1.25 DMIPS/MHz translates HID reports into industry-specific protocols over UART or SPI without external PHY. Industrial HMIs, kiosks, and point-of-sale terminals benefit from the 100-LQFP package's compatibility with hand-soldered prototypes and high-volume SMT assembly alike.
Recomendado
CAN-Based Motor Drive Front-End
In field-oriented control motor drives, the ATSAM4SA16CB-ANR manages CANopen or DeviceNet communication via one CAN channel while the second handles safety I/O over CAN, freeing the application core for high-rate PWM generation. The 16-bit Timer Counter plus PWM block drives three-phase inverter gate drivers at 20 kHz with 1 microsecond resolution, and the Cortex-M4 FPU computes Park/Clarke transforms in under 8 microseconds per cycle. The 100-LQFP package exposes ample GPIO for incremental encoder, Hall sensor, and resolver inputs.
Recomendado
Consumer Appliance with TFT/LCD HMI
The ATSAM4SA16CB-ANR drives 480x272 WQVGA TFT displays through its External Bus Interface (EBI) with 16-bit data bus, and the on-chip 12-bit DAC generates audio prompts and buzzer tones for appliance feedback. The 152 KB SRAM holds double-buffered frame data, while 1 MB Flash stores multi-language UI assets and IoT cloud connectivity firmware. The 32-bit Cortex-M4 with FPU accelerates JPEG decoding of splash screens, reducing boot time below 800 milliseconds from cold power-on.
Recomendado
Industrial IoT Gateway with Edge Analytics
The ATSAM4SA16CB-ANR bridges legacy RS-485 sensor networks to Ethernet via its triple USART channels plus SPI-based Ethernet MAC like the LAN8720A, while the Cortex-M4 FPU runs edge analytics on incoming sensor streams. With 1 MB Flash and 152 KB SRAM the gateway can store Modbus polling tables and run local MQTT publish before WAN transmission. Dual CAN, USB, and SD-card interfaces via SPI allow flexible connectivity for retrofits in brownfield industrial sites with mixed protocols.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ATSAM4SA16CB-ANR — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ATSAM4SA16CA-AUR | ATSAM4SA16BB-ANR | ATSAM4S16CB-CFNR |
|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 1 MB | 1 MB | 1 MB | 1 MB |
| SRAM | 152 KB | 152 KB | 152 KB | 128 KB |
| Clock Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| NAND Flash Controller | Yes (CB variant) | No (CA variant) | Yes (CB variant) | Yes (CB variant) |
| Silicon Revision | Revision A (MRL B per datasheet) | Revision A | Revision B (recommended for new designs) | Revision A |
| USB | USB 2.0 Full-Speed Device/Host | USB 2.0 Full-Speed Device/Host | USB 2.0 Full-Speed Device/Host | USB 2.0 Full-Speed Device/Host |
| CAN Controllers | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B |
Diferenciadores clave
- On-chip NAND Flash controller for low-cost external storage (frente a ATSAM4SA16CA-AUR)
- Revision B silicon with enhanced safety and lower power (frente a ATSAM4SA16CB-AN (Rev A))
- 24 KB extra SRAM for application stack and buffers (frente a ATSAM4S16CB-CFNR)
Notas de diseño
Place one 100 nF X7R 0402 decoupling capacitor within 2 mm of every VDDIO pin (38, 71) and a 4.7 microfarat ceramic bulk capacitor on VDDCORE (pin 15). Use a star-ground topology tying all GND pins (16, 39, 72) to a common copper pour, and separate analog and digital ground planes joined only beneath the ADC reference pin. Estimated: at 120 MHz full-load, total VDDIO current reaches approximately 95 mA, requiring at least 200 mA headroom from the LDO to support inrush on ADC conversion cycles.
The 100-LQFP (14x14 mm) package has a thermal resistance theta_JA of approximately 45 C/W on a 4-layer PCB with thermal vias under the exposed pad region. Estimated: at maximum core consumption of 80 mA at 1.8 V (144 mW) plus peripheral I/O, the junction-to-ambient temperature rise is approximately 6.5 C, well within the 85 C industrial limit when ambient is at 70 C. For sealed enclosures without airflow, increase copper pour area or add an internal heat-spreader layer.
Route the 32.768 kHz RTC crystal traces (XIN32/XOUT32) within 5 mm of the MCU and isolate them from switching noise with a guard ring tied to ground. For USB Full-Speed, maintain 90 ohm differential impedance on DP/DM lines and keep total stub length below 3 mm to meet IEC 61000-4-2 ESD requirements. Avoid running CAN_H/CAN_L traces parallel to high-speed digital signals for more than 25 mm to prevent crosstalk-induced bus errors.
Do not enable the NAND Flash controller on the SA16CA variant since it lacks the external bus interface; doing so causes undefined boot behavior. Always configure the NRST pin with a 10 kohm pull-up and 100 nF capacitor per Microchip reference schematic. The 12-bit ADC requires a 1 microfarad bypass on ADVREF - omitting it adds 2-3 LSB of noise. Estimated: at 1 MSPS ADC sampling, digital AHB activity adds approximately 1.2 LSB, so averaging 4 samples is recommended for precision measurements.
Información de cumplimiento
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified - automotive applications should consider ATSAM4S family automotive variants or external qualification.
