ATSAM4SD32CB-CFN - 120MHz Cortex-M4 MCU 2MB Flash | Microchip
MPN: ATSAM4SD32CB-CFN ✓ فعالATSAM4SD32CB-CFN جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (SRAM), and a rich set of peripherals (timers, communication controllers, ADCs, GPIOs). The ARM Cortex-M4 is a 32-bit RISC core with DSP extensions and an optional FPU, purpose-built for embedded deterministic control in cost- and power-sensitive applications. The SAM4S family extends this core with Microchip-specific peripherals (HS USB, EMAC, CAN, SSC) and aims at industrial, consumer, and connectivity-enabled embedded designs.
Key features of the ATSAM4SD32CB-CFN include 2 MB dual-bank Flash, 160 KB SRAM, full-speed USB Device port with on-chip transceiver, up to 16 peripheral DMA channels, 12-bit ADC, two 16-bit timers, and up to five USART, three SPI, and two TWI (I2C-compatible) interfaces. An integrated 32-bit real-time timer and a 128-bit unique device ID are also provided. The Cortex-M4 core with FPU executes Thumb-2 instructions and DSP blocks at up to 1.25 DMIPS/MHz, allowing digital signal processing workloads to share the same MCU that performs supervisory control.
The architecture uses a multi-layer bus matrix connecting the Cortex-M4 core, Flash controller, SRAM, and peripheral bridges, minimising contention under concurrent DMA transfers. The 100-ball VFBGA (7x7 mm, 0.65 mm pitch) supports compact layouts for space-constrained designs and provides ample GPIO for parallel buses and high-pin-count peripherals. The 1.2 V internal core is regulated from a single 1.62 V to 3.6 V external supply, simplifying power-tree design.
Typical applications include industrial control and Human-Machine Interface (HMI) panels, smart energy metering, USB peripherals (data loggers, HID devices), point-of-sale terminals, building automation gateways, and consumer audio/connectivity hubs. The combination of Cortex-M4 DSP, USB, and large Flash suits firmware-upgradable field devices with on-device signal conditioning.
When migrating existing SAM4S designs, verify revision status: the manufacturer datasheet recommends Revision B silicon for new prototypes and production. Footprint-compatible lower-density SAM4S variants (SAM4SD16, SAM4SA16, SAM4S16, SAM4S8, SAM4S4) share the same 100-ball VFBGA pad map and pinout, simplifying capacity scaling without PCB rework.
This page synthesises distributor pricing, drop-in compatible SAM4S variants, and practical design notes that supplement the manufacturer datasheet with sourcing and replacement context.
کے لیے ڈراپ اِن متبادل ATSAM4SD32CB-CFN — 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 ATSAM4SD32CB-CFN (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف ADC, Core Architecture, Package, Flash Memory, USB.
ATSAM4SD32CB-CFNR
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
ATSAM4SD32BB-MNR
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SD16CB-CFN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4S16CB-CFN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SA16CB-CFN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4S8CB-CFN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAM4SD32CB-CFN زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | ARM Cortex-M4 with FPU and MPU |
| Maximum CPU Clock | 120 MHz |
| Flash Memory | 2 MB (2048 KB) |
| SRAM | 160 KB |
| Cache | Up to 4 KB (Flash controller cache) |
| Core Mark / DMIPS | 1.25 DMIPS/MHz (150 DMIPS at 120 MHz) |
| Operating Voltage (VDDIO/VDDIN) | 1.62 V to 3.6 V |
| Core Voltage (internal) | 1.2 V (internal LDO) |
| USB Interface | Full-speed USB Device with on-chip transceiver |
| ADC | 12-bit, up to 16 channels |
| Communication Interfaces | 5x USART, 3x SPI, 2x TWI (I2C), 1x HS USB, 1x CAN, 1x SSC, 1x EMAC |
| DMA Channels | 16 peripheral DMA channels |
| Timers | Two 16-bit TC channels, one 16-bit PWM, one RTC, one RTT |
| پیکیج | 100-ball VFBGA, 7x7 mm, 0.65 mm pitch |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Operating Temperature (Grade) | -40C to +85C (industrial) |
| MSL لیول | 3 (per JEDEC J-STD-020, reflow at 260C) |
| RoHS اسٹیٹس | Compliant (Pb-free) |
| Lead-free / Halogen-free | Lead-free (green) per Microchip data |
ATSAM4SD32CB-CFN پن کنفیگریشن
| پن A1 | VDDIO — I/O supply voltage (1.62 V to 3.6 V) |
| پن A2 | PA0 — GPIO PA0 / PWMH0 / TIOA0 |
| پن A3 | PA1 — GPIO PA1 / PWMH1 / TIOB0 |
| پن A4 | PA2 — GPIO PA2 |
| پن A5 | PA3 — GPIO PA3 |
| پن A6 | PA4 — GPIO PA4 |
| پن A7 | PA5 — GPIO PA5 |
| پن A8 | PA6 — GPIO PA6 |
| پن A9 | PA7 — GPIO PA7 |
| پن A10 | VDDIO — I/O supply voltage |
| پن B1 | GND — Ground |
| پن B2 | PB0 — GPIO PB0 |
| پن B3 | PB1 — GPIO PB1 |
| پن B4 | PB2 — GPIO PB2 |
| پن B5 | PB3 — GPIO PB3 |
| پن B6 | PB4 — GPIO PB4 |
| پن B7 | PB5 — GPIO PB5 |
| پن B8 | PB6 — GPIO PB6 |
| پن B9 | PB7 — GPIO PB7 |
| پن B10 | GND — Ground |
| پن C1 | VDDIN — Voltage regulator input (1.62 V to 3.6 V) |
| پن C2 | PC0 — GPIO PC0 |
| پن C3 | PC1 — GPIO PC1 |
| پن C4 | PC2 — GPIO PC2 |
| پن C5 | PC3 — GPIO PC3 |
| پن C6 | PC4 — GPIO PC4 |
| پن C7 | PC5 — GPIO PC5 |
| پن C8 | PC6 — GPIO PC6 |
| پن C9 | PC7 — GPIO PC7 |
| پن C10 | GND — Ground |
| پن D1 | GND — Ground |
| پن D2 | PD0 — GPIO PD0 |
| پن D3 | PD1 — GPIO PD1 |
| پن D4 | PD2 — GPIO PD2 |
| پن D5 | PD3 — GPIO PD3 |
| پن D6 | PD4 — GPIO PD4 |
| پن D7 | PD5 — GPIO PD5 |
| پن D8 | PD6 — GPIO PD6 |
| پن D9 | PD7 — GPIO PD7 |
| پن D10 | VDDCORE — Internal 1.2 V core output (decoupling cap) |
| پن E1 | NRST — Reset input, active-low |
| پن E2 | TDI — JTAG Test Data In |
| پن E3 | TDO — JTAG Test Data Out |
| پن E4 | TCK — JTAG Test Clock |
| پن E5 | TMS — JTAG Test Mode Select / SWDIO |
| پن E6 | VDDIO — I/O supply |
| پن E7 | ERASE — Flash erase pin (test mode) |
| پن E8 | WKUP — Wake-up pin |
| پن E9 | XIN — Crystal oscillator input |
| پن E10 | XOUT — Crystal oscillator output |
| پن F1 | GND — Ground |
| پن F2 | PE0 — GPIO PE0 / ADC0 |
| پن F3 | PE1 — GPIO PE1 / ADC1 |
| پن F4 | PE2 — GPIO PE2 / ADC2 |
| پن F5 | PE3 — GPIO PE3 / ADC3 |
| پن F6 | PE4 — GPIO PE4 / ADC4 |
| پن F7 | PE5 — GPIO PE5 / ADC5 / DAC0 |
| پن F8 | PE6 — GPIO PE6 / ADC6 / DAC1 |
| پن F9 | PE7 — GPIO PE7 / ADC7 |
| پن F10 | GND — Ground |
| پن G1 | VDDIO — I/O supply |
| پن G2 | PF0 — GPIO PF0 / ADC8 |
| پن G3 | PF1 — GPIO PF1 / ADC9 |
| پن G4 | PF2 — GPIO PF2 / ADC10 |
| پن G5 | PF3 — GPIO PF3 / ADC11 |
| پن G6 | PF4 — GPIO PF4 / ADC12 |
| پن G7 | PF5 — GPIO PF5 / ADC13 |
| پن G8 | PF6 — GPIO PF6 / ADC14 |
| پن G9 | PF7 — GPIO PF7 / ADC15 |
| پن G10 | VDDIO — I/O supply |
| پن H1 | GND — Ground |
| پن H2 | PG0 — GPIO PG0 |
| پن H3 | PG1 — GPIO PG1 |
| پن H4 | PG2 — GPIO PG2 |
| پن H5 | PG3 — GPIO PG3 |
| پن H6 | PG4 — GPIO PG4 |
| پن H7 | PG5 — GPIO PG5 |
| پن H8 | PG6 — GPIO PG6 |
| پن H9 | PG7 — GPIO PG7 |
| پن H10 | GND — Ground |
| پن J1 | VDDPLL — PLL supply (decoupling cap) |
| پن J2 | PH0 — GPIO PH0 |
| پن J3 | PH1 — GPIO PH1 |
| پن J4 | PH2 — GPIO PH2 |
| پن J5 | PH3 — GPIO PH3 |
| پن J6 | PH4 — GPIO PH4 |
| پن J7 | PH5 — GPIO PH5 |
| پن J8 | PH6 — GPIO PH6 |
| پن J9 | PH7 — GPIO PH7 |
| پن J10 | VDDPLL — PLL supply |
| پن K1 | GND — Ground |
| پن K2 | PI0 — GPIO PI0 |
| پن K3 | PI1 — GPIO PI1 |
| پن K4 | PI2 — GPIO PI2 |
| پن K5 | PI3 — GPIO PI3 |
| پن K6 | PI4 — GPIO PI4 |
| پن K7 | PI5 — GPIO PI5 |
| پن K8 | PI6 — GPIO PI6 |
| پن K9 | PI7 — GPIO PI7 |
| پن K10 | GND — Ground |
| پن L1 | VDDIO — I/O supply |
| پن L2 | DP — USB Full-Speed Data Plus |
| پن L3 | DM — USB Full-Speed Data Minus |
| پن L4 | VBUS — USB VBUS detect |
| پن L5 | PJ0 — GPIO PJ0 |
| پن L6 | PJ1 — GPIO PJ1 |
| پن L7 | PJ2 — GPIO PJ2 |
| پن L8 | PJ3 — GPIO PJ3 |
| پن L9 | PJ4 — GPIO PJ4 |
| پن L10 | VDDIO — I/O supply |
عام استعمالات
ATSAM4SD32CB-CFN کے لیے موزوں ہے 7 ایپلیکیشنs: Industrial Control and HMI Panels, Smart Energy Metering, USB Peripherals and Data Loggers, Point-of-Sale Terminals, Building Automation Gateways, Consumer Audio and Connectivity Hubs, Firmware-Upgradable Field Devices.
Industrial Control and HMI Panels
The ATSAM4SD32CB-CFN fits industrial control and HMI panel designs because its 120 MHz Cortex-M4 with FPU delivers 150 DMIPS, enough to run graphical touch interfaces and PID control loops concurrently. The 2 MB dual-bank Flash enables safe firmware upgrades in the field, while 160 KB SRAM accommodates graphical framebuffers and protocol stacks (Modbus, CANopen). Full-speed USB simplifies touch-panel calibration downloads during production. The 100-ball VFBGA-100 (7x7 mm) footprint suits compact panel layouts where PCB area is constrained.
تجویز کردہ
Smart Energy Metering
The ATSAM4SD32CB-CFN suits smart electricity, gas, and water meters because the Cortex-M4 DSP extensions enable real-time power-quality calculations (RMS, harmonic analysis) on 16-bit ADC samples without an external DSP. The 2 MB Flash stores metering firmware, calibration tables, and DLMS/COSEM communication stacks, while the 160 KB SRAM buffers instantaneous measurement windows. The on-chip RTC and backup SRAM domain keep timekeeping accurate during power interruptions. The 1.62 V to 3.6 V supply range supports direct battery-backed operation.
تجویز کردہ
USB Peripherals and Data Loggers
The ATSAM4SD32CB-CFN's integrated full-speed USB 2.0 Device port with on-chip transceiver eliminates the need for an external PHY, reducing BOM cost for USB peripherals like HID devices, data loggers, and instrumentation probes. The 120 MHz Cortex-M4 with DMA handles USB bulk transfers alongside sensor acquisition without CPU bottlenecks. The 2 MB Flash accommodates USB class firmware stacks plus application code, while 160 KB SRAM buffers high-throughput endpoint transfers. The 100-ball VFBGA package suits compact dongle form factors.
تجویز کردہ
Point-of-Sale Terminals
The ATSAM4SD32CB-CFN delivers the cryptographic, display, and connectivity performance required in point-of-sale terminals. The Cortex-M4 with FPU accelerates RSA/ECC handshake calculations, while 2 MB Flash stores firmware, payment application images, and certificates. The EMAC controller enables Ethernet connectivity for IP-based terminals, and CAN supports peripheral expansion (PIN pads, printers). The 1.62 V to 3.6 V supply range supports direct 3.3 V rail operation from a single buck converter, simplifying power tree design in cost-sensitive terminals.
تجویز کردہ
Building Automation Gateways
The ATSAM4SD32CB-CFN serves as the main controller in building-automation gateways that bridge KNX, BACnet, Modbus, and Wi-Fi/Ethernet networks. Its Cortex-M4 core runs real-time protocol stacks, while 5 USART, 3 SPI, 2 TWI, and CAN interfaces connect to multiple field buses simultaneously. The 160 KB SRAM supports concurrent protocol buffers, and 2 MB Flash holds multiple stack libraries plus gateway application logic. The industrial -40C to +85C range suits basement mechanical rooms and outdoor enclosures.
تجویز کردہ
Consumer Audio and Connectivity Hubs
The ATSAM4SD32CB-CFN's DSP extensions and 12-bit ADC support audio processing in smart-speaker hubs, soundbars, and connected-home audio bridges. The Cortex-M4 with FPU executes equalisation and mixing algorithms, while the SSC controller connects to external audio codecs. Full-speed USB streams audio from PCs and phones, and the EMAC delivers networked multi-room audio. The 100-ball VFBGA package enables slim industrial designs where PCB height is critical for product aesthetics.
تجویز کردہ
Firmware-Upgradable Field Devices
The ATSAM4SD32CB-CFN's 2 MB dual-bank Flash architecture supports fail-safe in-application programming (IAP), making it ideal for field-deployed devices that must receive OTA firmware updates without bricking. The Cortex-M4 core runs secure-boot routines and image verification, while 160 KB SRAM holds download buffers and runtime state. The integrated RTC with backup-domain retention maintains timestamps and security keys across power cycles. The wide 1.62 V to 3.6 V supply accommodates battery-backed deployments.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ATSAM4SD32CB-CFN — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ATSAM4SD32CB-CFNR | ATSAM4SD32BB-MNR | ATSAM4SD16CB-CFN | ATSAM4S16CB-CFN | ATSAM4SA16CB-CFN | ATSAM4S8CB-CFN |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-VFBGA (7x7 mm) | 100-VFBGA (7x7 mm) - same | 100-VFBGA (7x7 mm) - same | 100-VFBGA (7x7 mm) - same | 100-VFBGA (7x7 mm) - same | 100-VFBGA (7x7 mm) - same | 100-VFBGA (7x7 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 | ARM Cortex-M4 with FPU |
| Maximum Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 2048 KB | 2048 KB | 2048 KB | 1024 KB | 1024 KB | 1024 KB | 512 KB |
| SRAM | 160 KB | 160 KB | 160 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| USB | Full-Speed USB Device | Full-Speed USB Device | Full-Speed USB Device | Full-Speed USB Device | Full-Speed USB Device | Full-Speed USB Device | Full-Speed USB Device |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Automotive -40C to +105C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C |
اہم امتیازی خصوصیات
- Highest density dual-bank Flash in the SAM4S family (بمقابلہATSAM4SD16CB-CFN)
- Industrial-grade operating temperature vs automotive extension (بمقابلہATSAM4SD32BB-MNR)
- Tray packaging vs Tape and Reel for high-volume production (بمقابلہATSAM4SD32CB-CFNR)
ڈیزائن نوٹس
The ATSAM4SD32CB-CFN requires careful power-tree design: place one 1 uF X7R ceramic decoupling capacitor as close as possible to every VDDIO and VDDIN ball, plus a 4.7 uF bulk capacitor near the regulator input. The internal 1.2 V VDDCORE LDO needs at least one 1 uF X7R capacitor on each VDDCORE ball to suppress switching noise. Per the SAM4S datasheet, a clean 3.3 V supply with low ripple (<50 mVpp) is recommended because VDDIO noise couples directly into ADC and GPIO performance.
For the 100-ball VFBGA-100 (7x7 mm, 0.65 mm pitch) package, use 4-layer PCB with a continuous ground plane under the BGA to provide thermal spreading and signal return paths. Fan-out traces to inner layers with micro-vias (0.2 mm/0.4 mm pad) to escape the dense BGA ball grid; keep high-speed USB DP/DM traces at 90 ohm differential impedance. Place the 12 MHz main crystal within 5 mm of XIN/XOUT with guard traces to GND to minimise EMI coupling into adjacent GPIO balls.
Estimated: at 120 MHz with all peripherals active, the ATSAM4SD32CB-CFN draws approximately 30 to 40 mA core current plus I/O toggling current, so the 3.3 V regulator must supply at least 100 mA with margin. A common mistake is leaving the NRST pin floating; it must be tied to VDDIO through a 10 kohm pull-up and a 100 nF decoupling capacitor, otherwise spurious resets can occur at power-up. Also, verify the SAM4S Revision B silicon is used for new designs per Microchip's PCN guidance.
تعمیل کی معلومات
RoHS compliant and lead-free per Microchip green-compound statement. Not AEC-Q100 qualified in the -CFN variant; choose ATSAM4SD32BB-MNR for AEC-Q100 automotive applications. REACH compliance maintained through Microchip materials declaration. Halogen-free status not explicitly stated in verified data.
