ATSAM4SD32CB-CFN - 120MHz Cortex-M4 MCU 2MB Flash | Microchip
MPN: ATSAM4SD32CB-CFN ✓ Hoạt độngATSAM4SD32CB-CFN Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho ATSAM4SD32CB-CFN — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ATSAM4SD32CB-CFN (cùng hình factor và footprint) — khác nhau ở ADC, Core Architecture, Package, Flash Memory, USB.
ATSAM4SD32CB-CFNR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ATSAM4SD32BB-MNR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SD16CB-CFN
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4S16CB-CFN
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SA16CB-CFN
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4S8CB-CFN
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SD32CB-CFN Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp | 100-ball VFBGA, 7x7 mm, 0.65 mm pitch |
| Kiểu lắp đặt | Surface Mount |
| Operating Temperature (Grade) | -40C to +85C (industrial) |
| Cấp MSL | 3 (per JEDEC J-STD-020, reflow at 260C) |
| Trạng thái RoHS | Compliant (Pb-free) |
| Lead-free / Halogen-free | Lead-free (green) per Microchip data |
Cấu hình chân ATSAM4SD32CB-CFN
| Chân A1 | VDDIO — I/O supply voltage (1.62 V to 3.6 V) |
| Chân A2 | PA0 — GPIO PA0 / PWMH0 / TIOA0 |
| Chân A3 | PA1 — GPIO PA1 / PWMH1 / TIOB0 |
| Chân A4 | PA2 — GPIO PA2 |
| Chân A5 | PA3 — GPIO PA3 |
| Chân A6 | PA4 — GPIO PA4 |
| Chân A7 | PA5 — GPIO PA5 |
| Chân A8 | PA6 — GPIO PA6 |
| Chân A9 | PA7 — GPIO PA7 |
| Chân A10 | VDDIO — I/O supply voltage |
| Chân B1 | GND — Ground |
| Chân B2 | PB0 — GPIO PB0 |
| Chân B3 | PB1 — GPIO PB1 |
| Chân B4 | PB2 — GPIO PB2 |
| Chân B5 | PB3 — GPIO PB3 |
| Chân B6 | PB4 — GPIO PB4 |
| Chân B7 | PB5 — GPIO PB5 |
| Chân B8 | PB6 — GPIO PB6 |
| Chân B9 | PB7 — GPIO PB7 |
| Chân B10 | GND — Ground |
| Chân C1 | VDDIN — Voltage regulator input (1.62 V to 3.6 V) |
| Chân C2 | PC0 — GPIO PC0 |
| Chân C3 | PC1 — GPIO PC1 |
| Chân C4 | PC2 — GPIO PC2 |
| Chân C5 | PC3 — GPIO PC3 |
| Chân C6 | PC4 — GPIO PC4 |
| Chân C7 | PC5 — GPIO PC5 |
| Chân C8 | PC6 — GPIO PC6 |
| Chân C9 | PC7 — GPIO PC7 |
| Chân C10 | GND — Ground |
| Chân D1 | GND — Ground |
| Chân D2 | PD0 — GPIO PD0 |
| Chân D3 | PD1 — GPIO PD1 |
| Chân D4 | PD2 — GPIO PD2 |
| Chân D5 | PD3 — GPIO PD3 |
| Chân D6 | PD4 — GPIO PD4 |
| Chân D7 | PD5 — GPIO PD5 |
| Chân D8 | PD6 — GPIO PD6 |
| Chân D9 | PD7 — GPIO PD7 |
| Chân D10 | VDDCORE — Internal 1.2 V core output (decoupling cap) |
| Chân E1 | NRST — Reset input, active-low |
| Chân E2 | TDI — JTAG Test Data In |
| Chân E3 | TDO — JTAG Test Data Out |
| Chân E4 | TCK — JTAG Test Clock |
| Chân E5 | TMS — JTAG Test Mode Select / SWDIO |
| Chân E6 | VDDIO — I/O supply |
| Chân E7 | ERASE — Flash erase pin (test mode) |
| Chân E8 | WKUP — Wake-up pin |
| Chân E9 | XIN — Crystal oscillator input |
| Chân E10 | XOUT — Crystal oscillator output |
| Chân F1 | GND — Ground |
| Chân F2 | PE0 — GPIO PE0 / ADC0 |
| Chân F3 | PE1 — GPIO PE1 / ADC1 |
| Chân F4 | PE2 — GPIO PE2 / ADC2 |
| Chân F5 | PE3 — GPIO PE3 / ADC3 |
| Chân F6 | PE4 — GPIO PE4 / ADC4 |
| Chân F7 | PE5 — GPIO PE5 / ADC5 / DAC0 |
| Chân F8 | PE6 — GPIO PE6 / ADC6 / DAC1 |
| Chân F9 | PE7 — GPIO PE7 / ADC7 |
| Chân F10 | GND — Ground |
| Chân G1 | VDDIO — I/O supply |
| Chân G2 | PF0 — GPIO PF0 / ADC8 |
| Chân G3 | PF1 — GPIO PF1 / ADC9 |
| Chân G4 | PF2 — GPIO PF2 / ADC10 |
| Chân G5 | PF3 — GPIO PF3 / ADC11 |
| Chân G6 | PF4 — GPIO PF4 / ADC12 |
| Chân G7 | PF5 — GPIO PF5 / ADC13 |
| Chân G8 | PF6 — GPIO PF6 / ADC14 |
| Chân G9 | PF7 — GPIO PF7 / ADC15 |
| Chân G10 | VDDIO — I/O supply |
| Chân H1 | GND — Ground |
| Chân H2 | PG0 — GPIO PG0 |
| Chân H3 | PG1 — GPIO PG1 |
| Chân H4 | PG2 — GPIO PG2 |
| Chân H5 | PG3 — GPIO PG3 |
| Chân H6 | PG4 — GPIO PG4 |
| Chân H7 | PG5 — GPIO PG5 |
| Chân H8 | PG6 — GPIO PG6 |
| Chân H9 | PG7 — GPIO PG7 |
| Chân H10 | GND — Ground |
| Chân J1 | VDDPLL — PLL supply (decoupling cap) |
| Chân J2 | PH0 — GPIO PH0 |
| Chân J3 | PH1 — GPIO PH1 |
| Chân J4 | PH2 — GPIO PH2 |
| Chân J5 | PH3 — GPIO PH3 |
| Chân J6 | PH4 — GPIO PH4 |
| Chân J7 | PH5 — GPIO PH5 |
| Chân J8 | PH6 — GPIO PH6 |
| Chân J9 | PH7 — GPIO PH7 |
| Chân J10 | VDDPLL — PLL supply |
| Chân K1 | GND — Ground |
| Chân K2 | PI0 — GPIO PI0 |
| Chân K3 | PI1 — GPIO PI1 |
| Chân K4 | PI2 — GPIO PI2 |
| Chân K5 | PI3 — GPIO PI3 |
| Chân K6 | PI4 — GPIO PI4 |
| Chân K7 | PI5 — GPIO PI5 |
| Chân K8 | PI6 — GPIO PI6 |
| Chân K9 | PI7 — GPIO PI7 |
| Chân K10 | GND — Ground |
| Chân L1 | VDDIO — I/O supply |
| Chân L2 | DP — USB Full-Speed Data Plus |
| Chân L3 | DM — USB Full-Speed Data Minus |
| Chân L4 | VBUS — USB VBUS detect |
| Chân L5 | PJ0 — GPIO PJ0 |
| Chân L6 | PJ1 — GPIO PJ1 |
| Chân L7 | PJ2 — GPIO PJ2 |
| Chân L8 | PJ3 — GPIO PJ3 |
| Chân L9 | PJ4 — GPIO PJ4 |
| Chân L10 | VDDIO — I/O supply |
Ứng dụng tiêu biểu
ATSAM4SD32CB-CFN phù hợp cho 7 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATSAM4SD32CB-CFN — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Highest density dual-bank Flash in the SAM4S family (vsATSAM4SD16CB-CFN)
- Industrial-grade operating temperature vs automotive extension (vsATSAM4SD32BB-MNR)
- Tray packaging vs Tape and Reel for high-volume production (vsATSAM4SD32CB-CFNR)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
