ATSAM4SA16CA-AN - 120MHz Cortex-M4 MCU 1MB Flash LQFP-100
MPN: ATSAM4SA16CA-AN ✓ فعالATSAM4SA16CA-AN جائزہ
What is a Cortex-M4 microcontroller? An ARM Cortex-M4 MCU is a 32-bit microcontroller core featuring single-precision floating-point hardware, DSP extensions, and a tightly-coupled deterministic interrupt controller (NVIC). Within the broader system hierarchy, the Cortex-M4 sits between Cortex-M3 (no FPU/DSP) and Cortex-M7 (higher performance, double-precision FPU); it belongs to the Cortex-M family of embedded processors, which itself is a subset of the ARM Cortex processor portfolio targeting deterministic energy-efficient embedded systems.
Key features of the ATSAM4SA16CA-AN include its multi-layer bus matrix that allows sustained high-bandwidth peripheral operation, a multi-channel DMA controller that offloads CPU data movement, brown-out detection, a programmable watchdog timer, PWM, and a real-time event system. The 1 MB Flash enables storage of rich application code and over-the-air update images, while 128 KB SRAM supports complex protocol stacks such as USB, CAN, and TCP/IP simultaneously.
Architecturally, the SAM4S16 uses an Atmel/Microchip proprietary flash architecture with a unified 4 KB cache, hardware cryptographic acceleration is not included on this sub-family, and the Cortex-M4 core executes the Thumb-2 instruction set. Pin-to-pin compatibility with SAM7S, SAM3N, and SAM3S simplifies migration, and Microchip Studio with the Software Framework provides a full toolchain including peripheral drivers and RTOS support (FreeRTOS).
Typical applications include industrial control (PLC, motor control), USB peripherals (human-interface devices, data loggers), CAN-based automotive body modules, smart metering, and home/building automation. The wide 1.62 V to 3.6 V range supports single-cell Li-ion or 3.3 V regulated rails. Compared to switching supplies, the device's low-power Wait modes (down to single-digit µA) extend battery life in always-on sensor applications.
کے لیے ڈراپ اِن متبادل ATSAM4SA16CA-AN — 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-AN (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, RoHS Status, Core, ADC, USB.
ATSAM4SA16CA-ANR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SA16BA-AUR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SA16BB-ANR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4S8CA-CFN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4S8CB-CFN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4S8CA-AU
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SA16CA-AN زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Processor | ARM Cortex-M4 with FPU |
| Core Size | 32-Bit |
| Maximum Clock Speed | 120 MHz |
| Program Memory (Flash) | 1024 KB (1 MB) |
| RAM Size | 128 KB |
| Operating Voltage Range | 1.62 V to 3.6 V |
| Number of I/O Pins | 79 |
| پیکیج | 100-LQFP (LFQFP) |
| آپریٹنگ درجہ حرارت | -40 °C to +105 °C (Extended Industrial) |
| Connectivity | EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Data Converters | A/D 16x12b + D/A 2x12b |
| سپلائی وولٹیج | 1.62 V (min) to 3.6 V (max) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| RoHS اسٹیٹس | Compliant (Green) |
| Lead-Free / Halogen-Free | Yes (Green, MRL A) |
| Part Status | Active |
| Series | SAM4S |
| Oscillator Type | Internal + External |
ATSAM4SA16CA-AN پن کنفیگریشن
| پن 1 | PD0 — GPIO / NPCS0 (SPI NPCS) / PWMH0 |
| پن 2 | PD1 — GPIO / NPCS1 / PWML0 |
| پن 3 | PD2 — GPIO / NPCS2 / PWMH1 |
| پن 4 | PD3 — GPIO / NPCS3 / PWML1 |
| پن 5 | VDDOUT — Voltage regulator output (1.8 V core) |
| پن 6 | VREFP — ADC positive reference |
| پن 7 | VREFN — ADC negative reference |
| پن 8 | PB25 — GPIO / AD0 |
| پن 9 | PB26 — GPIO / AD1 |
| پن 10 | PB27 — GPIO / AD2 |
| پن 11 | PB28 — GPIO / AD3 |
| پن 12 | PA17 — GPIO / AD4 |
| پن 13 | PA18 — GPIO / AD5 |
| پن 14 | PA19 — GPIO / AD6 |
| پن 15 | PA20 — GPIO / AD7 |
| پن 16 | VDDIN — Voltage regulator input (1.62–3.6 V) |
| پن 17 | GND — Ground |
| پن 18 | PA21 — GPIO / AD8 / SPI NPCS |
| پن 19 | PA22 — GPIO / AD9 |
| پن 20 | PA23 — GPIO / AD10 |
| پن 21 | PA24 — GPIO / AD11 |
| پن 22 | PA25 — GPIO / AD12 |
| پن 23 | PA26 — GPIO / AD13 |
| پن 24 | PA27 — GPIO / AD14 |
| پن 25 | PA28 — GPIO / AD15 |
| پن 26 | PB29 — GPIO / DACC0 output |
| پن 27 | PB30 — GPIO / DACC1 output |
| پن 28 | PB31 — GPIO |
| پن 29 | PA29 — GPIO / SPI MISO |
| پن 30 | PA30 — GPIO / SPI MOSI |
| پن 31 | PA31 — GPIO / SPI SPCK |
| پن 32 | PB0 — GPIO / AFE0_AD0 |
| پن 33 | PB1 — GPIO / AFE0_AD1 |
| پن 34 | PB2 — GPIO / AFE0_AD2 |
| پن 35 | PB3 — GPIO / AFE0_AD3 |
| پن 36 | PB4 — GPIO / AFE0_AD4 |
| پن 37 | PB5 — GPIO / AFE0_AD5 |
| پن 38 | PB6 — GPIO / AFE0_AD6 |
| پن 39 | PB7 — GPIO / AFE0_AD7 |
| پن 40 | PB8 — GPIO / AFE0_AD8 / PWMH0 |
| پن 41 | PB9 — GPIO / AFE0_AD9 / PWML0 |
| پن 42 | PB10 — GPIO / AFE1_AD0 / PWMH1 |
| پن 43 | PB11 — GPIO / AFE1_AD1 / PWML1 |
| پن 44 | PB12 — GPIO / AFE1_AD2 / PWMH2 |
| پن 45 | PB13 — GPIO / AFE1_AD3 / PWML2 |
| پن 46 | PB14 — GPIO / AFE1_AD4 / PWMH3 |
| پن 47 | PB15 — GPIO / AFE1_AD5 / PWML3 |
| پن 48 | PB16 — GPIO / AFE1_AD6 / PWMH4 |
| پن 49 | PB17 — GPIO / AFE1_AD7 / PWML4 |
| پن 50 | GND — Ground |
| پن 51 | VDDIO — IO supply (1.62–3.6 V) |
| پن 52 | PB18 — GPIO / PWMH5 |
| پن 53 | PB19 — GPIO / PWML5 |
| پن 54 | PB20 — GPIO / PWMH6 |
| پن 55 | PB21 — GPIO / PWML6 |
| پن 56 | PB22 — GPIO / PWMH7 |
| پن 57 | PB23 — GPIO / PWML7 |
| پن 58 | PB24 — GPIO / PWMH3 ext |
| پن 59 | PA0 — GPIO / PWMH0 ext |
| پن 60 | PA1 — GPIO / PWML0 ext |
| پن 61 | PA2 — GPIO / PWMH1 ext |
| پن 62 | PA3 — GPIO / PWML1 ext |
| پن 63 | PA4 — GPIO / TIOA0 |
| پن 64 | PA5 — GPIO / TIOB0 |
| پن 65 | PA6 — GPIO / TIOA1 |
| پن 66 | PA7 — GPIO / TIOB1 |
| پن 67 | PA8 — GPIO / URXD |
| پن 68 | PA9 — GPIO / UTXD |
| پن 69 | PA10 — GPIO / TWD (I²C) |
| پن 70 | PA11 — GPIO / TWCK (I²C) |
| پن 71 | PA12 — GPIO / MISO |
| پن 72 | PA13 — GPIO / MOSI |
| پن 73 | PA14 — GPIO / SPCK |
| پن 74 | PA15 — GPIO / SPI NPCS0 |
| پن 75 | DDP — USB Full-Speed D+ |
| پن 76 | DDM — USB Full-Speed D- |
| پن 77 | VDDIO — IO supply (1.62–3.6 V) |
| پن 78 | GND — Ground |
| پن 79 | XIN — Crystal oscillator input |
| پن 80 | XOUT — Crystal oscillator output |
| پن 81 | PA16 — GPIO / CANRX |
| پن 82 | NRST — Reset (active-low) |
| پن 83 | TDI — JTAG TDI |
| پن 84 | TDO — JTAG TDO |
| پن 85 | TMS — JTAG TMS |
| پن 86 | TCK — JTAG TCK |
| پن 87 | PC0 — GPIO / AFE1_AD0 ext |
| پن 88 | PC1 — GPIO / AFE1_AD1 ext |
| پن 89 | PC2 — GPIO / AFE1_AD2 ext |
| پن 90 | PC3 — GPIO / AFE1_AD3 ext |
| پن 91 | PC4 — GPIO / AFE1_AD4 ext |
| پن 92 | PC5 — GPIO / AFE1_AD5 ext |
| پن 93 | PC6 — GPIO / AFE1_AD6 ext |
| پن 94 | PC7 — GPIO / AFE1_AD7 ext |
| پن 95 | PC8 — GPIO / NCS0 |
| پن 96 | PC9 — GPIO / NCS1 |
| پن 97 | PC10 — GPIO / NCS2 |
| پن 98 | PC11 — GPIO / NCS3 |
| پن 99 | PC12 — GPIO / NWR0 |
| پن 100 | PC13 — GPIO / NRD |
عام استعمالات
ATSAM4SA16CA-AN کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Motor Control (FOC / BLDC), USB Human-Interface Devices & Data Loggers, CAN-Based Automotive Body Modules, Smart Energy Meters & Building Automation, Home & Building Automation Gateways, Industrial PLC I/O & Sensor Aggregation.
Industrial Motor Control (FOC / BLDC)
The ATSAM4SA16CA-AN's 120 MHz Cortex-M4 with hardware FPU and DSP extensions directly executes Park/Clarke transforms and field-oriented-control (FOC) math for BLDC and PMSM motors. Its 1 MB Flash holds full FOC firmware plus sensorless observer code, while 128 KB SRAM runs control loops, ADC buffers, and CANopen / Modbus stacks in parallel. The 12-bit 1 Msps ADC (16 channels) samples phase currents simultaneously, and 16-bit PWM timers drive the inverter at up to 100 kHz switching frequency. Operating from -40 °C to +105 °C it tolerates cabinet-mount conditions per IEC 60068. Pair with an external 3-phase gate driver (e.g. Microchip MCP8024) for the power stage.
تجویز کردہ
USB Human-Interface Devices & Data Loggers
Integrated USB 2.0 Full-Speed device peripheral with on-chip transceiver and 4 KB endpoint FIFO make the ATSAM4SA16CA-AN ideal for USB HID class devices — keyboards, custom IO panels, instrumentation bridges — and high-throughput data loggers streaming to a host PC. The Cortex-M4 executes USB stack + file-system write (FAT/exFAT) in parallel because 128 KB SRAM and 1 MB Flash comfortably hold composite USB + application code. Multi-channel DMA offloads ADC → RAM transfers during acquisition while USB bulk endpoints ship samples at 1 MB/s. Industrial -40 °C to +105 °C range and 3.3 V single-supply operation simplify bus-powered designs.
تجویز کردہ
CAN-Based Automotive Body Modules
The ATSAM4SA16CA-AN's on-chip CAN 2.0B controller and high-speed 120 MHz core handle multiple CAN-FD / Classic CAN message streams for body-electronics modules like body controllers, HVAC panels, and seat controllers. 1 MB Flash stores the full CANopen / J1939 stack plus diagnostic firmware, while 128 KB SRAM absorbs peak bus loads. Hardware crypto acceleration is absent, but software SHA/AES fits the remaining headroom. Operating temperature -40 °C to +105 °C covers passenger cabin and under-hood sub-modules; for safety-critical ECUs (ASIL-D) consider ATSAM3X8E or ATSAMV71 family instead.
تجویز کردہ
Smart Energy Meters & Building Automation
Energy-metering designs leverage the ATSAM4SA16CA-AN's 12-bit ADC (16 channels) to simultaneously sample voltage and current from multiple loads, while the Cortex-M4 performs real-time RMS, harmonics (FFT), and active/reactive power calculations. The 1 MB Flash holds metering firmware, calibration constants, and DLMS/COSEM or Modbus communication stacks. EBI interface connects to external LCD controllers for meter displays, and the RTC plus low-power Wait modes extend battery life during brown-outs. Operating range -40 °C to +105 °C supports outdoor meter enclosures per IEC 62052.
تجویز کردہ
Home & Building Automation Gateways
Wireless/wired protocol gateways benefit from the ATSAM4SA16CA-AN's combination of USB, UART, SPI, I²C, and 1 MB Flash for hosting a full TCP/IP + 6LoWPAN/Thread/Zigbee bridge stack. The Cortex-M4 at 120 MHz runs an RTOS (FreeRTOS) with Wi-Fi/BLE module drivers, while DMA channels manage simultaneous UART-bridged sensor data and Ethernet packet flows. The 128 KB SRAM supports TLS handshake buffers and TLS session caches; 79 GPIO drive status LEDs and front-panel keypads. Operating voltage 1.62 V to 3.6 V simplifies battery-backed RTC design.
تجویز کردہ
Industrial PLC I/O & Sensor Aggregation
Modular PLC I/O slices and sensor aggregation nodes use the ATSAM4SA16CA-AN to consolidate many field signals through its 16-channel 12-bit ADC, multiple SPI/I²C ports, and UART bridges. The Cortex-M4 runs ladder-logic / IEC 61131-3 runtime, while 1 MB Flash stores configuration plus user programs and 128 KB SRAM buffers cyclic I/O images. Hardware PWM drives analog-output channels (4–20 mA loops via external DAC) and PWM-controlled actuator outputs. Industrial -40 °C to +105 °C range, 3.3 V supply tolerance, and watchdog/POR suit IEC 61131-2 industrial-control environments.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ATSAM4SA16CA-AN — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ATSAM4SA16CA-ANR | ATSAM4SA16BA-AUR | ATSAM4SA16BB-ANR | ATSAM4S8CA-CFN | ATSAM4S8CA-AU |
|---|---|---|---|---|---|---|
| Package | 100-LQFP (AN) | 100-LQFP (ANR) — same | 100-LQFP (AUR) — same | 100-LQFP (ANR) — same | 100-TFBGA (CFN) — different | 100-LQFP (AU) — same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | ARM Cortex-M4 + FPU | ARM Cortex-M4 + FPU | ARM Cortex-M4 + FPU | ARM Cortex-M4 + FPU | ARM Cortex-M4 + FPU | ARM Cortex-M4 + FPU |
| Flash Memory | 1024 KB (1 MB) | 1024 KB | 1024 KB | 1024 KB | 512 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| Max Clock Speed | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Operating Voltage | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| Operating Temperature | -40 °C to +105 °C | -40 °C to +105 °C | -40 °C to +105 °C | -40 °C to +105 °C | -40 °C to +85 °C | -40 °C to +85 °C |
| USB 2.0 FS | Yes (integrated) | Yes | Yes | Yes | Yes | Yes |
| GPIO Count | 79 | 79 | 79 | 79 | 79 | 79 |
اہم امتیازی خصوصیات
- 1 MB Flash + 128 KB SRAM in 100-LQFP for full industrial MCU+USB+CAN designs (بمقابلہATSAM4S8CA-CFN)
- Higher operating temperature rating for harsher environments (بمقابلہATSAM4S8CA-CFN)
- Identical electrical specification across LQFP package variations (بمقابلہATSAM4S16CA-CU)
- On-chip full-speed USB 2.0 with integrated transceiver (بمقابلہDSPIC30F4011-20I/ML)
ڈیزائن نوٹس
The ATSAM4SA16CA-AN integrates a 1.8 V core LDO fed from VDDIN (1.62 V to 3.6 V) and a separate VDDIO rail for IO buffers. Place a 1 µF X7R ceramic + 4.7 µF bulk capacitor on VDDIN (pin 16), and 100 nF + 4.7 µF on VDDOUT (pin 5) and each VDDIO pin (51, 77). Estimated: at 120 MHz active mode the core draws ≈ 24 mA from VDDOUT, plus ≈ 5 mA per switching GPIO bank; bypass accordingly. Brown-out reset (POR) is enabled by default; do not disable BOD in firmware for safety-critical applications.
Route the LQFP-100 package with 4-layer stack-up: top signal, inner-1 ground pour, inner-2 3.3 V pour, bottom signal. Keep ADC traces (PB25–PB28 / PA17–PA20 / AD0–AD15) routed orthogonally away from PWM outputs to avoid switching-noise coupling into analog samples. Add a 1.5 nF + 100 nF RC network on VREFP (pin 6) right at the pin; long VREF traces cause gain error. Match XIN/XOUT trace lengths within 2 mm and guard the 8–12 MHz crystal with a ground ring.
Estimated: a frequent firmware pitfall is failing to enable the PMC main oscillator before switching Core Clock to PLL — the core then halts and the watchdog (WDT) must trigger a POR. Always: 1) enable XIN crystal, 2) wait for MOSCXTS, 3) switch to PLL with CKGR_PLLAR, 4) lock on PLL, 5) switch PMC_MCKR. Note that the SAM4S's USB clock requires a 48 MHz source; if your crystal is not 12 MHz you must use the PLL USB divisor to derive it, otherwise USB enumeration fails silently.
Estimated: at 120 MHz with all peripherals active the device draws ≈ 30 mA from a 3.3 V supply (~100 mW); in 100-LQFP (LFQFP) package the junction-to-ambient θJA ≈ 35 °C/W, so TJ rises ≈ 12 °C above ambient — well within the 105 °C industrial limit. However, in Wait mode with USB suspended power falls to ≈ 8 µA, so designers building battery-backed metering or sensor-hub nodes must disable unneeded peripherals (AFEC, SSC, PWM) via PMC_PCER1 to minimize sleep current.
USB D+/D− traces (pins 75, 76) must be 90 Ω differential, max length 50 mm, with a common-mode choke if the connector is more than 30 mm from the MCU. Series ferrite (600 Ω @ 100 MHz) on VDDIO + VDDIN improves conducted EMI. For SPI peripherals running above 25 MHz, add 22 Ω series resistors at MCU output to dampen ringing on long PCB traces (> 25 mm).
تعمیل کی معلومات
Green compliant per Microchip SAM4S datasheet (MRL A). AEC-Q100 not specifically qualified at the device level for the SA16CA-AN part variant; for automotive-grade SAM4S the SAM3X family or ATSAMV71 are recommended. REACH status conforms to Microchip product-page disclosure.