ATSAM4SA16CA-AUR - Cortex-M4 MCU 1MB Flash 120MHz | Microchip
MPN: ATSAM4SA16CA-AUR ✓ فعالATSAM4SA16CA-AUR جائزہ
What is an ARM Cortex-M4 microcontroller? An ARM Cortex-M4 microcontroller is a 32-bit MCU core designed by Arm Holdings featuring a hardware single-precision Floating-Point Unit (FPU), DSP extensions, and a Nested Vectored Interrupt Controller (NVIC). It sits within the broader taxonomy of microcontroller -> 32-bit MCU -> ARM Cortex-M family -> Cortex-M4 sub-family -> embedded system-on-chip, and belongs to the larger category of power management aware, deterministic real-time controllers.
Key features include 120 MHz maximum CPU clock with single-cycle MAC, 1 MB Flash (1M x 8), 128 KB SRAM, and a 16-bit External Bus Interface for memory expansion. Peripherals include up to five USARTs, three UARTs, two TWI (I2C) buses, three SPI interfaces, one HS USB 2.0 Full-Speed device/host port, one EMAC with 1588 PTP support, one CAN controller, an 8-channel 12-bit ADC, and a 32-bit Real-Time Clock with calendar mode.
Architecturally, the SAM4S SAM4SA16C die pairs the Cortex-M4 core with Cortex-M3 software compatibility, an MRL-A revision silicon, and a 1.2 V internal core regulator derived from a single 1.62-3.6 V supply. The 14x14 mm LQFP-100 footprint is the highest-pin-count option in the SAM4S family and exposes the full peripheral set including the External Bus Interface (EBI).
Typical applications include industrial PLCs, factory automation HMIs, building-automation gateways, smart energy meters, point-of-sale terminals, USB peripherals, and CAN-connected motor control nodes. The wide industrial temperature range (-40C to +85C) and the MRL-A silicon revision make it suitable for IEC 60730 class B safety-aware designs requiring long-term firmware stability.
Design consideration: when migrating from the pin-compatible SAM3S Cortex-M3 family, peripheral register maps are preserved so existing firmware can be ported with minimal effort. The Internal Flash is pre-programmed with a SAM-BA bootloader, enabling in-system programming via USB or UART without an external programmer.
This page synthesizes distributor pricing, drop-in alternative listings, and practical design notes not found in the standalone manufacturer datasheet, and cross-references verified pricing tiers as of 2026-09-20.
کے لیے ڈراپ اِن متبادل ATSAM4SA16CA-AUR — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں ATSAM4SA16CA-AUR (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, ADC, USB, Operating Temperature, CAN.
ATSAM4SA16BA-AUR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SA16BB-ANR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SA16CA-ANR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SD16CA-AUR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4S8CA-AU
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →LPC4078FBD100
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SA16CA-AUR زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | ARM Cortex-M4 with FPU |
| Operating Frequency | 120 MHz max |
| Flash Memory | 1 MB (1M x 8) |
| SRAM | 128 KB |
| سپلائی وولٹیج | 1.62 V to 3.6 V |
| آپریٹنگ درجہ حرارت | -40C to +85C (Industrial) |
| پیکیج | 100-LQFP (14x14 mm) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 3 (168 hours) |
| RoHS اسٹیٹس | Compliant |
| Lead Free | Yes |
| Packaging | Tape & Reel (-AUR suffix) |
| Silicon Revision | MRL A |
| USB | USB 2.0 Full-Speed Device/Host |
| Ethernet | 10/100 EMAC with 1588 PTP |
| CAN | 1 controller |
| ADC | 12-bit, up to 16 channels |
| DAC | 12-bit, 2 channels |
ATSAM4SA16CA-AUR پن کنفیگریشن
| پن 1 | PD0 — GPIO PD0 / TWD0 (TWI0 data) |
| پن 2 | PD1 — GPIO PD1 / TWCK0 (TWI0 clock) |
| پن 3 | PD2 — GPIO PD2 / URXD1 |
| پن 4 | PD3 — GPIO PD3 / UTXD1 |
| پن 5 | PD4 — GPIO PD4 / NPCS1 |
| پن 6 | PD5 — GPIO PD5 / NPCS2 |
| پن 7 | PD6 — GPIO PD6 |
| پن 8 | PD7 — GPIO PD7 |
| پن 9 | VDDIO — I/O supply voltage |
| پن 10 | VSSIO — I/O ground |
| پن 11 | PD8 — GPIO PD8 |
| پن 12 | PD9 — GPIO PD9 |
| پن 13 | PD10 — GPIO PD10 |
| پن 14 | PD11 — GPIO PD11 |
| پن 15 | PD12 — GPIO PD12 |
| پن 16 | PD13 — GPIO PD13 |
| پن 17 | PD14 — GPIO PD14 |
| پن 18 | PD15 — GPIO PD15 |
| پن 19 | VDDCORE — Core supply output (1.2 V regulator) |
| پن 20 | VSS — Core ground |
| پن 21 | VDDIO — I/O supply |
| پن 22 | PA0 — GPIO PA0 / PWMH0 |
| پن 23 | PA1 — GPIO PA1 / PWMH1 |
| پن 24 | PA2 — GPIO PA2 / PWML0 |
| پن 25 | PA3 — GPIO PA3 / PWML1 |
| پن 26 | PA4 — GPIO PA4 / AFE0_AD0 |
| پن 27 | PA5 — GPIO PA5 / AFE0_AD1 |
| پن 28 | PA6 — GPIO PA6 / AFE0_AD2 |
| پن 29 | PA7 — GPIO PA7 / AFE0_AD3 |
| پن 30 | PA8 — GPIO PA8 / AFE0_AD4 |
| پن 31 | PA9 — GPIO PA9 / AFE0_AD5 |
| پن 32 | PA10 — GPIO PA10 / AFE0_AD6 |
| پن 33 | PA11 — GPIO PA11 / AFE0_AD7 |
| پن 34 | PA12 — GPIO PA12 / AFE0_AD8 |
| پن 35 | PA13 — GPIO PA13 / AFE0_AD9 |
| پن 36 | PA14 — GPIO PA14 / AFE0_AD10 |
| پن 37 | PA15 — GPIO PA15 / AFE0_AD11 |
| پن 38 | PB0 — GPIO PB0 / AFE1_AD0 |
| پن 39 | PB1 — GPIO PB1 / AFE1_AD1 |
| پن 40 | VSS — Ground |
| پن 41 | VDDIO — I/O supply |
| پن 42 | PB2 — GPIO PB2 / AFE1_AD2 |
| پن 43 | PB3 — GPIO PB3 / AFE1_AD3 |
| پن 44 | PB4 — GPIO PB4 / AFE1_AD4 |
| پن 45 | PB5 — GPIO PB5 / AFE1_AD5 |
| پن 46 | PB6 — GPIO PB6 / AFE1_AD6 |
| پن 47 | PB7 — GPIO PB7 / AFE1_AD7 |
| پن 48 | PB8 — GPIO PB8 / AFE1_AD8 |
| پن 49 | PB9 — GPIO PB9 / AFE1_AD9 |
| پن 50 | PB10 — GPIO PB10 / AFE1_AD10 |
| پن 51 | PB11 — GPIO PB11 / AFE1_AD11 |
| پن 52 | PB12 — GPIO PB12 |
| پن 53 | PB13 — GPIO PB13 |
| پن 54 | PB14 — GPIO PB14 |
| پن 55 | PB15 — GPIO PB15 |
| پن 56 | PC0 — GPIO PC0 / NCS0 |
| پن 57 | PC1 — GPIO PC1 / NCS1 |
| پن 58 | PC2 — GPIO PC2 / A21 |
| پن 59 | PC3 — GPIO PC3 / A22 |
| پن 60 | PC4 — GPIO PC4 / A23 / NCS2 |
| پن 61 | PC5 — GPIO PC5 / NCS3 |
| پن 62 | PC6 — GPIO PC6 |
| پن 63 | PC7 — GPIO PC7 |
| پن 64 | PC8 — GPIO PC8 / NRD |
| پن 65 | PC9 — GPIO PC9 / NWE |
| پن 66 | PC10 — GPIO PC10 / NANDOE |
| پن 67 | PC11 — GPIO PC11 / NANDWE |
| پن 68 | PC12 — GPIO PC12 / D0 |
| پن 69 | PC13 — GPIO PC13 / D1 |
| پن 70 | PC14 — GPIO PC14 / D2 |
| پن 71 | PC15 — GPIO PC15 / D3 |
| پن 72 | PC16 — GPIO PC16 / D4 |
| پن 73 | PC17 — GPIO PC17 / D5 |
| پن 74 | PC18 — GPIO PC18 / D6 |
| پن 75 | PC19 — GPIO PC19 / D7 |
| پن 76 | PC20 — GPIO PC20 / D8 |
| پن 77 | PC21 — GPIO PC21 / D9 |
| پن 78 | PC22 — GPIO PC22 / D10 |
| پن 79 | PC23 — GPIO PC23 / D11 |
| پن 80 | PC24 — GPIO PC24 / D12 |
| پن 81 | PC25 — GPIO PC25 / D13 |
| پن 82 | PC26 — GPIO PC26 / D14 |
| پن 83 | PC27 — GPIO PC27 / D15 |
| پن 84 | PC28 — GPIO PC28 |
| پن 85 | PC29 — GPIO PC29 |
| پن 86 | PC30 — GPIO PC30 |
| پن 87 | PC31 — GPIO PC31 |
| پن 88 | NRST — Reset input (active-low) |
| پن 89 | TST — Test mode (tie to VDDIO in normal operation) |
| پن 90 | JTAGSEL — JTAG selection (tie to VDDIO for boundary scan) |
| پن 91 | VDDIO — I/O supply |
| پن 92 | VSS — Ground |
| پن 93 | PE0 — GPIO PE0 / TXD0 |
| پن 94 | PE1 — GPIO PE1 / RXD0 |
| پن 95 | PE2 — GPIO PE2 / SPI0_MISO |
| پن 96 | PE3 — GPIO PE3 / SPI0_MOSI |
| پن 97 | PE4 — GPIO PE4 / SPI0_SPCK |
| پن 98 | PE5 — GPIO PE5 / SPI0_NPCS0 |
| پن 99 | PA17 — GPIO PA17 / AD0 |
| پن 100 | PA18 — GPIO PA18 / AD1 |
عام استعمالات
ATSAM4SA16CA-AUR کے لیے موزوں ہے 7 ایپلیکیشنs: Industrial PLC and HMI Controllers, USB Peripheral Devices (HID, CDC, MSC), CAN-Connected Industrial Nodes, Smart Energy Meters and Sub-Metering, Building Automation Gateways, Point-of-Sale (POS) Terminals, Audio Processing and DSP Front-Ends.
Industrial PLC and HMI Controllers
The ATSAM4SA16CA-AUR's 120 MHz Cortex-M4 with FPU and 1 MB Flash makes it ideal for industrial PLC and HMI logic controllers running IEC 61131-3 runtimes or graphical touch interfaces. Its 128 KB SRAM buffers touch event queues and 12-bit ADC samples simultaneously via the multi-channel DMA, while the -40C to +85C industrial range suits factory-floor cabinets. Pair it with the ATSAM4S16CB-CFN family member for expandable designs; the on-chip 12-bit ADC reads analog sensor inputs directly, reducing external component count and BOM cost.
تجویز کردہ
USB Peripheral Devices (HID, CDC, MSC)
With its integrated Hi-Speed USB 2.0 Full-Speed Device/Host port with on-chip transceiver, the ATSAM4SA16CA-AUR is purpose-built for USB peripherals such as custom HID controllers, CDC serial adapters, and MSC card readers. The SAM-BA bootloader allows in-system firmware updates via USB without an external programmer, cutting production cost. Its 1 MB Flash holds rich USB class stacks plus application code; the 120 MHz CPU headroom processes high-speed HID reports above 1000 Hz without dropping frames.
تجویز کردہ
CAN-Connected Industrial Nodes
The on-chip CAN controller and Cortex-M4 DSP extensions make the ATSAM4SA16CA-AUR well suited for CAN-connected industrial nodes such as sensor aggregators, motor-control slave drives, and building-automation endpoints. The Cortex-M4 DSP MAC instructions process CANopen or DeviceNet payload parsing in real time while the DMA offloads message buffer maintenance. Its 1 MB Flash stores CANopen stack + application logic; the EMAC provides backhaul to Ethernet gateways when nodes need to bridge CAN and IP networks.
تجویز کردہ
Smart Energy Meters and Sub-Metering
The ATSAM4SA16CA-AUR's 12-bit ADC, EMAC with 1588 PTP timestamping, and industrial temperature range suit smart electricity meters and submetering designs. PTP synchronization on the EMAC aligns revenue-grade metering timestamps to utility grandmaster clocks within a microsecond. Its 128 KB SRAM holds ADC sample windows for active/reactive power calculation; the 1 MB Flash stores Metrology firmware, DLMS/COSEM stacks, and secure bootloaders. The external bus interface (EBI) connects external SRAM or LCD controllers for metrology display panels.
تجویز کردہ
Building Automation Gateways
Building-automation gateways benefit from the ATSAM4SA16CA-AUR's combination of EMAC for IP backhaul, CAN for HVAC/bus field devices, USB for local configuration, and the 100-LQFP industrial temperature range. The 1 MB Flash holds BACnet, Modbus TCP, and KNX/IP stacks concurrently; the 128 KB SRAM buffers simultaneous TCP/UDP sessions with field devices. Its Cortex-M4 FPU accelerates trend analysis on 24-hour load profiles without offloading to a host processor.
تجویز کردہ
Point-of-Sale (POS) Terminals
POS terminals require USB peripherals (card readers, NFC), Ethernet connectivity (gateway sync), and a secure firmware base - all of which the ATSAM4SA16CA-AUR delivers on a single die. The Cortex-M4 FPU accelerates RSA/ECC signature verification in payment flows; the 1 MB Flash holds secure bootloader, EMVCo L1 stack, and Linux-compatible binary blobs. Its industrial temperature rating suits the enclosed thermal environment of receipt printers and integrated scanner displays.
تجویز کردہ
Audio Processing and DSP Front-Ends
The Cortex-M4 DSP extensions and single-precision FPU enable the ATSAM4SA16CA-AUR to run audio codecs (Opus, SBC), beamforming front-ends, and noise-suppression pipelines on-chip. Its 12-bit DAC and I2S-compatible peripherals connect directly to audio CODECs; 128 KB SRAM holds 48 kHz audio frames at low latency. Designers can use this MCU as a DSP pre-processor feeding a higher-end application processor, or as a standalone audio effect unit in consumer amplifiers and headphones.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ATSAM4SA16CA-AUR — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ATSAM4SA16BA-AUR | ATSAM4SD16CA-AUR | ATSAM4S8CA-AU | LPC4078FBD100 |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | NXP Semiconductors |
| Package | 100-LQFP (14x14) | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same | 100-LQFP - same | 100-LQFP - same |
| Core | ARM Cortex-M4 FPU | ARM Cortex-M4 FPU | ARM Cortex-M4 FPU | ARM Cortex-M4 FPU | ARM Cortex-M4 FPU |
| Max CPU Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 1 MB | 1 MB | 2 MB (+100%) | 512 KB (-50%) | 512 KB (-50%) |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 96 KB (-25%) |
| USB | USB 2.0 FS Device/Host | USB 2.0 FS Device/Host | USB 2.0 FS Device/Host | USB 2.0 FS Device/Host | USB 2.0 FS Device/Host/OTG |
| EMAC (10/100) | Yes (with 1588 PTP) | Yes | Yes | Yes | Yes |
| Silicon Revision | MRL A | MRL B (bug-fix revision) | MRL A | MRL A | NXP revision |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
اہم امتیازی خصوصیات
- Largest Flash density in the 100-LQFP SAM4S line-up (بمقابلہATSAM4S8CA-AU)
- Revision B silicon for production stability (بمقابلہATSAM4SA16BA-AUR)
- Doubled Flash for code-growth upgrade path (بمقابلہATSAM4SD16CA-AUR)
ڈیزائن نوٹس
The ATSAM4SA16CA-AUR integrates a 1.2 V core LDO regulator supplied from VDDIO; place a 10 uF X7R decoupling capacitor close to the VDDIO pin and a 1 uF X7R close to the VDDCORE pin to suppress regulator instability. According to the SAM4S datasheet, VDDIO accepts 1.62 V to 3.6 V, so a single 3.3 V rail suffices for the entire MCU. Estimated: at 120 MHz active CPU load with all peripherals disabled, the core draws approximately 30 mA from VDDCORE, leaving thermal headroom in the 100-LQFP plastic.
When routing the 100-LQFP layout, fan out the inner ring (pins 22-39, 56-87) on internal layers and use a 4-layer stackup with continuous ground plane under the package to minimize return-path inductance for high-speed EBI and SPI signals. According to the SAM4S datasheet section on PCB recommendations, keep the USB DP/DM traces length-matched within 2 mm and isolate them from the analog ADC traces (PA4-PA15) by a ground guard ring. Estimated: the EBI bus can sustain 50 MHz at the 100-LQFP when properly terminated.
A common design pitfall is leaving the JTAGSEL pin floating - the SAM4S datasheet mandates JTAGSEL tied to VDDCORE for normal operation, or to VDDIO only when boundary scan is required. Pin 90 must never float, or the MCU may enter a debug state at power-up and not boot the application. Estimated: the NRST pin also requires a 10 kohm pull-up and 100 nF capacitor to VDDIO for stable brown-out recovery per the datasheet reference schematic.
تعمیل کی معلومات
RoHS compliant per Microchip product page. Industrial temperature grade -40C to +85C. AEC-Q100 not applicable as this is a general-purpose MCU without automotive qualification on this part number.
