ATSAM4SD32CA-CU - 120MHz Cortex-M4 MCU 2MB Flash 100-TFBGA | Microchip
MPN: ATSAM4SD32CA-CU ✓ فعالATSAM4SD32CA-CU جائزہ
A microcontroller (MCU) is a single-chip computer that combines a CPU core, non-volatile program memory (Flash), volatile working memory (SRAM), and a rich set of on-chip peripherals (timers, communication controllers, ADCs, etc.) into one package. The Cortex-M4 lineage places the SAM4S as a deterministic real-time MCU that targets signal-processing and connectivity-rich embedded systems. Within the broader taxonomy, the SAM4S sits in the hierarchy: Cortex-M4 -> ARM Cortex-M family -> 32-bit MCU -> microcontroller -> embedded IC -> semiconductor device.
Key features include 2 MB of dual-bank Flash supporting read-while-write operation, 160 KB SRAM with flexible bus matrix, multi-channel DMA, full-speed USB 2.0 device/host/OTG, two CAN controllers, three USARTs, two UARTs, two TWIs, two SPIs, one 10-bit ADC (up to 16 channels and 1 MSps), an SD/MMC interface, a 16-bit timer/counter block, and a real-time clock with calendar. The device is pin-to-pin compatible with SAM3N, SAM3S, and SAM7S legacy 64/100-pin versions, allowing an easy drop-in upgrade path. Operating voltage spans 1.62 V to 3.6 V, suiting single-cell Li-ion or 3.3 V regulated rails.
Typical applications include industrial control boards, smart energy metering, motor drive front-ends, building automation gateways, USB peripherals, and consumer devices requiring DSP-class DSP-ready signal processing. The combination of Cortex-M4 DSP extensions and the integrated FPU enables audio decoding, sensor-fusion DSP routines, and modest DSP workloads without a separate DSP chip.
A key design consideration is bus-matrix bandwidth at high peripheral activity - place time-critical ISRs in SRAM and avoid blocking DMA paths when running high-throughput USB or Ethernet stacks. To preserve regulator headroom, design with a 3.3 V LDO that has at least 100 mA of burst capacity for ADC + USB peaks. This page synthesizes the verified distributor pricing, drop-in alternatives, and practical design notes that are not assembled in any single manufacturer datasheet.
کے لیے ڈراپ اِن متبادل ATSAM4SD32CA-CU — 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 ATSAM4SD32CA-CU (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف ADC, Package, Core Architecture, Mounting Type, USB.
ATSAM4SD32CB-CFN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SD32BA-UUR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SD16CA-CUR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4S8CA-CU
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4S4CA-CU
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SD16CB-CFN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4S8CB-CFN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SD32CA-CU زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | ARM Cortex-M4 with FPU |
| زیادہ سے زیادہ کلاک فریکوئنسی | 120 MHz |
| Instruction Cache | 2 KB |
| Program Memory (Flash) | 2 MB (2M x 8) |
| SRAM | 160 KB |
| Supply Voltage Range | 1.62 V to 3.6 V |
| پیکیج | 100-ball TFBGA (9x9 mm) |
| آپریٹنگ درجہ حرارت رینج | -40 C to +85 C (industrial) |
| ADC | 10-bit, up to 16 channels, 1 MSps |
| USB Interface | USB 2.0 Full-Speed Device/Host/OTG |
| CAN | 2 x CAN 2.0A/B |
| USART | 3 x USART |
| TWI (I2C-compatible) | 2 x TWI |
| SPI | 2 x SPI |
| Memory Protection Unit (MPU) | Yes |
| DSP Extensions | Yes (single-precision FPU + MAC) |
| Pin-to-Pin Compatibility | SAM3N, SAM3S, SAM7S legacy 64/100-pin variants |
| ماؤنٹنگ ٹائپ | Surface Mount (TFBGA) |
| RoHS اسٹیٹس | Compliant |
ATSAM4SD32CA-CU پن کنفیگریشن
| پن A1 | VDDIO — IO supply voltage (1.62 V to 3.6 V) |
| پن A2 | VREF — ADC voltage reference |
| پن A3 | AVSS — Analog ground |
| پن A4 | PB0 — GPIO port B bit 0 |
| پن A5 | PB1 — GPIO port B bit 1 |
| پن A6 | PB2 — GPIO port B bit 2 |
| پن A7 | PB3 — GPIO port B bit 3 |
| پن A8 | PB4 — GPIO port B bit 4 |
| پن A9 | PB5 — GPIO port B bit 5 |
| پن B1 | VDDIN — Voltage regulator input (1.62 V to 3.6 V) |
| پن B2 | VDDOUT — Internal 1.2 V regulator output (decoupling cap) |
| پن B3 | AVDD — Analog supply (must equal VDDIO) |
| پن B4 | PB6 — GPIO port B bit 6 |
| پن B5 | PB7 — GPIO port B bit 7 |
| پن B6 | PB8 — GPIO port B bit 8 |
| پن B7 | PB9 — GPIO port B bit 9 |
| پن B8 | PB10 — GPIO port B bit 10 |
| پن B9 | PB11 — GPIO port B bit 11 |
| پن C1 | GND — Ground |
| پن C2 | TDI — JTAG Test Data In |
| پن C3 | TCK — JTAG Test Clock |
| پن C4 | TDO — JTAG Test Data Out |
| پن C5 | TMS — JTAG Test Mode Select |
| پن C6 | PB12 — GPIO port B bit 12 |
| پن C7 | PB13 — GPIO port B bit 13 |
| پن C8 | PB14 — GPIO port B bit 14 |
| پن C9 | PB15 — GPIO port B bit 15 |
| پن D1 | NRST — External reset input (active low) |
| پن D2 | JTAGSEL — JTAG boundary scan selection strap |
| پن D3 | PA0 — GPIO port A bit 0 |
| پن D4 | PA1 — GPIO port A bit 1 |
| پن D5 | PA2 — GPIO port A bit 2 |
| پن D6 | PA3 — GPIO port A bit 3 |
| پن D7 | PA4 — GPIO port A bit 4 |
| پن D8 | PA5 — GPIO port A bit 5 |
| پن D9 | PA6 — GPIO port A bit 6 |
| پن E1 | GND — Ground |
| پن E2 | PA7 — GPIO port A bit 7 |
| پن E3 | PA8 — GPIO port A bit 8 |
| پن E4 | PA9 — GPIO port A bit 9 |
| پن E5 | PA10 — GPIO port A bit 10 |
| پن E6 | PA11 — GPIO port A bit 11 |
| پن E7 | PA12 — GPIO port A bit 12 |
| پن E8 | PA13 — GPIO port A bit 13 |
| پن E9 | PA14 — GPIO port A bit 14 |
| پن F1 | GND — Ground |
| پن F2 | PA15 — GPIO port A bit 15 |
| پن F3 | PA16 — GPIO port A bit 16 |
| پن F4 | PA17 — GPIO port A bit 17 |
| پن F5 | PA18 — GPIO port A bit 18 |
| پن F6 | PA19 — GPIO port A bit 19 |
| پن F7 | PA20 — GPIO port A bit 20 |
| پن F8 | PA21 — GPIO port A bit 21 |
| پن F9 | PA22 — GPIO port A bit 22 |
| پن G1 | GND — Ground |
| پن G2 | PA23 — GPIO port A bit 23 |
| پن G3 | PA24 — GPIO port A bit 24 |
| پن G4 | PA25 — GPIO port A bit 25 |
| پن G5 | PA26 — GPIO port A bit 26 |
| پن G6 | PA27 — GPIO port A bit 27 |
| پن G7 | PA28 — GPIO port A bit 28 |
| پن G8 | PA29 — GPIO port A bit 29 |
| پن G9 | PA30 — GPIO port A bit 30 |
| پن H1 | GND — Ground |
| پن H2 | PA31 — GPIO port A bit 31 |
| پن H3 | PB31 — GPIO port B bit 31 |
| پن H4 | PB30 — GPIO port B bit 30 |
| پن H5 | PB29 — GPIO port B bit 29 |
| پن H6 | PB28 — GPIO port B bit 28 |
| پن H7 | PB27 — GPIO port B bit 27 |
| پن H8 | PB26 — GPIO port B bit 26 |
| پن H9 | PB25 — GPIO port B bit 25 |
| پن J1 | PC0 — GPIO port C bit 0 |
| پن J2 | PC1 — GPIO port C bit 1 |
| پن J3 | PC2 — GPIO port C bit 2 |
| پن J4 | PC3 — GPIO port C bit 3 |
| پن J5 | PB24 — GPIO port B bit 24 |
| پن J6 | PB23 — GPIO port B bit 23 |
| پن J7 | PB22 — GPIO port B bit 22 |
| پن J8 | PB21 — GPIO port B bit 21 |
| پن J9 | PB20 — GPIO port B bit 20 |
| پن K1 | PC4 — GPIO port C bit 4 |
| پن K2 | PC5 — GPIO port C bit 5 |
| پن K3 | PC6 — GPIO port C bit 6 |
| پن K4 | PC7 — GPIO port C bit 7 |
| پن K5 | PC8 — GPIO port C bit 8 |
| پن K6 | PB19 — GPIO port B bit 19 |
| پن K7 | PB18 — GPIO port B bit 18 |
| پن K8 | PB17 — GPIO port B bit 17 |
| پن K9 | PB16 — GPIO port B bit 16 |
| پن L1 | VDDIO — IO supply (1.62 V to 3.6 V) |
| پن L2 | PC9 — GPIO port C bit 9 |
| پن L3 | PC10 — GPIO port C bit 10 |
| پن L4 | PC11 — GPIO port C bit 11 |
| پن L5 | PC12 — GPIO port C bit 12 |
| پن L6 | PC13 — GPIO port C bit 13 |
| پن L7 | PC14 — GPIO port C bit 14 |
| پن L8 | PC15 — GPIO port C bit 15 |
| پن L9 | PC16 — GPIO port C bit 16 |
| پن M1 | GND — Ground |
| پن M2 | PC17 — GPIO port C bit 17 |
| پن M3 | PC18 — GPIO port C bit 18 |
| پن M4 | PC19 — GPIO port C bit 19 |
| پن M5 | PC20 — GPIO port C bit 20 |
| پن M6 | PC21 — GPIO port C bit 21 |
| پن M7 | PC22 — GPIO port C bit 22 |
| پن M8 | PC23 — GPIO port C bit 23 |
| پن M9 | NC — Not connected |
عام استعمالات
ATSAM4SD32CA-CU کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Control and PLC Modules, Smart Energy Metering, USB Peripherals and Human Interface Devices, Building Automation Gateways, Audio and DSP Front-End Processing, Motor Drive Front-End Controllers.
Industrial Control and PLC Modules
The ATSAM4SD32CA-CU fits industrial control and PLC-style IO modules because its 120 MHz Cortex-M4 core with FPU plus 2 MB Flash can run real-time fieldbus stacks (CANopen, Modbus) and supervisory logic on a single chip. The 16-channel 10-bit ADC at 1 MSps handles analog sensor scanning, while the dual CAN 2.0B controllers provide bus arbitration for distributed IO. Its 1.62 V to 3.6 V supply allows direct operation from a 24 V industrial rail that is pre-regulated to 3.3 V. The 100-TFBGA package keeps the board footprint compact while exposing all peripherals.
تجویز کردہ
Smart Energy Metering
Smart electricity, water, and gas meters use the ATSAM4SD32CA-CU to combine metrology DSP, LCD driving, and wired/wireless backhaul on one MCU. The Cortex-M4 single-precision FPU is fast enough to run 4-class energy-meter DSP at 4 kSps with headroom for encryption, while the 2 MB Flash holds metering firmware plus a TLS/SSL stack. The dual-bank Flash layout lets utilities OTA-update firmware without powering down the meter; the RTC block maintains time-of-use tariffs across long power-line outages.
تجویز کردہ
USB Peripherals and Human Interface Devices
USB keyboards, mice, audio peripherals, and HID-to-USB converters map cleanly onto the ATSAM4SD32CA-CU's integrated USB 2.0 FS OTG controller. The 160 KB SRAM holds HID report buffers plus a USB audio class 1 isochronous pipeline, while the FPU accelerates audio sample rate conversion. The 100-TFBGA can be placed on a single-sided PCB alongside a USB type-C receptacle, and the MCU's 1.62 V to 3.6 V supply lets it run from the USB VBUS rail through a small LDO. OTA-style bootloaders fit into the dual-bank Flash layout.
تجویز کردہ
Building Automation Gateways
Building automation gateways using KNX, BACnet, or LonWorks protocols require a Cortex-M4 with deterministic real-time performance plus USB and Ethernet-class bridges. The ATSAM4SD32CA-CU drives three USARTs (for KNX, RS-485 to BACnet, and debug), two TWI controllers (for IO expanders and sensor hubs), and a full-speed USB OTG port (for local commissioning). Its 2 MB Flash hosts a TLS stack, while the CAN 2.0B blocks back-haul to BACnet/IP routers. Industrial temperature grade (-40 C to +85 C) lets the gateway sit in unheated electrical closets.
تجویز کردہ
Audio and DSP Front-End Processing
Audio front ends, hearing-aid sub-systems, and voice-capture boards use the ATSAM4SD32CA-CU as a low-power DSP co-processor. The Cortex-M4 with single-precision FPU and MAC extensions executes MP3/AAC decoding, acoustic echo cancellation, or beamforming routines entirely in firmware. The 16-channel ADC at 1 MSps captures multi-mic arrays directly, and the 160 KB SRAM holds audio buffers plus a small RTOS context. The integrated nature of the SAM4S lets designers drop a dedicated DSP chip from their BOM.
تجویز کردہ
Motor Drive Front-End Controllers
BLDC, PMSM, and stepper motor control front-ends use the ATSAM4SD32CA-CU to close current and velocity loops at 20-50 kHz while supervising a higher-level state machine. The dedicated 16-bit timer/counter block provides 6-channel PWM generation with complementary outputs and deadband insertion; the same timers trigger ADC sampling on the 10-bit ADC for synchronous current reads. The 120 MHz CPU and FPU run Field-Oriented Control loops with up to several hundred microseconds of headroom, and 2 MB Flash holds the firmware plus diagnostics logs over the controller's lifecycle.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ATSAM4SD32CA-CU — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ATSAM4SD32CB-CFN | ATSAM4SD32BA-UUR | ATSAM4SD16CA-CUR | ATSAM4S8CA-CU | ATSAM4S4CA-CU |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-TFBGA (9x9 mm) | 100-TFBGA (9x9 mm) - same | 100-TFBGA (9x9 mm) - same | 100-TFBGA (9x9 mm) - same | 100-TFBGA (9x9 mm) - same | 100-TFBGA (9x9 mm) - same |
| Core | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU |
| Maximum Clock Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 2 MB | 2 MB (same) | 1 MB | 1 MB | 512 KB | 256 KB |
| SRAM | 160 KB | 160 KB | 160 KB | 160 KB | 128 KB | 64 KB |
| Supply 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 |
| Temperature Grade | Industrial (-40 C to +85 C) | Industrial (-40 C to +85 C) | Industrial (-40 C to +85 C) | Industrial (-40 C to +85 C) | Industrial (-40 C to +85 C) | Industrial (-40 C to +85 C) |
| USB 2.0 FS OTG | Yes | Yes | Yes | Yes | Yes | Yes |
| CAN 2.0B | 2 x CAN | 2 x CAN | 2 x CAN | 2 x CAN | 1 x CAN | 1 x CAN |
| AEC-Q100 Automotive | Not qualified | Not qualified | Not qualified | Not qualified | Not qualified | Not qualified |
اہم امتیازی خصوصیات
- Largest Flash density in the SAM4S family (بمقابلہATSAM4S8CA-CU)
- Revision-B silicon errata coverage (بمقابلہATSAM4SD32CB-CFN)
- Drop-in to a 100-TFBGA package across the SAM4S line (بمقابلہSTM32F407VG)
- Cortex-M4 with hardware FPU and DSP extensions (بمقابلہATSAM3S8CA-AU)
ڈیزائن نوٹس
The ATSAM4SD32CA-CU integrates a 1.2 V internal regulator fed from VDDIN. Place a 1 uF X7R decoupling capacitor on VDDIN (within 5 mm of the ball) plus a 10 nF X7R on VDDOUT, per Microchip SAM4S hardware-design guide. The VDDIO rails must be decoupled with at least one bulk 4.7 uF and one 100 nF per active rail; droop on VDDIO during USB enumeration causes transient USB-attached resets.
The 100-TFBGA (9x9 mm, 0.8 mm ball pitch) requires a 4-layer PCB with micro-vias-in-pad for the center balls and a continuous ground plane under the package. Estimated: a 0.5 oz copper ground plane with 4 thermal vias under the package die achieves theta_JA around 25 C/W for 1.5 W continuous loads. Route differential USB pair (DP/DM) with 90 ohm impedance and clear of any switching node.
Do not leave NRST floating - the internal pull-up is weak; add a 10 kohm external pull-up and a 100 nF cap to ground for clean reset behavior. Boot-mode straps (BMS) must be pulled to known states at startup or the part boots into SAM-BA monitor mode unexpectedly. When external crystal is unused, leave XIN/XOUT floating - do not ground.
The high-speed ADC inputs (AD0-AD7) require anti-alias RC filters (typically 1 kohm + 22 pF) at the ball to suppress out-of-band noise. For USB DP/DM, keep traces no longer than 25 mm, match lengths to within 150 mil, and place the 15 kohm pull-down resistors close to the MCU. Avoid routing these signals under switching DC-DC nodes or crystals.
تعمیل کی معلومات
RoHS compliant and lead-free per Microchip material-composition declarations. Industrial temperature grade; not AEC-Q100 qualified - consult Microchip automotive catalog for vehicle-grade SAM4S variants.
