ATSAM4SD16BB-MN - 120MHz Cortex-M4 MCU 1MB Flash | Microchip
MPN: ATSAM4SD16BB-MN ✓ Hoạt độngATSAM4SD16BB-MN Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a configurable set of peripherals on one die. The ARM Cortex-M4 core is a 32-bit RISC processor designed by ARM specifically for embedded deterministic real-time control, adding DSP extensions and an optional single-precision IEEE-754 floating-point unit. Within the broader hierarchy: Cortex-M4 -> 32-bit MCU -> RISC microcontroller -> embedded controller -> semiconductor IC. The SAM4S family sits in Microchip's mainstream-performance ARM-MCU tier, aimed at industrial, consumer, and connectivity-rich applications.
Key features of the ATSAM4SD16BB-MN include: 1 MB dual-bank Flash supporting in-application programming (IAP), 160 KB SRAM organized as 2x32KB + 128KB for high-bandwidth DMA without bus arbitration stalls, 120 MHz/150 DMIPS coreMark performance, and a Multi-port SRAM controller that allows simultaneous CPU and DMA access. The chip also embeds a 4-channel 16-bit ADC, a 12-bit DAC, two 2-channel 16-bit timers, a 4-channel 16-bit PWM, an Ethernet MAC (EMAC) with MII/RMII interface, and a USB 2.0 Full-Speed device/host/OTG controller. Hardware cryptographic accelerators (AES, DES, SHA) and a True Random Number Generator (TRNG) make it suitable for connected and secure-node designs.
Architecturally, the ATSAM4SD16BB-MN uses a 6-layer AHB matrix that lets the CPU, DMA, Ethernet MAC, USB, and EBI controllers contend for SRAM and Flash without wait-state bottlenecks under typical traffic. The Cortex-M4 DSP extensions and FPU accelerate closed-loop control and DSP filters in firmware, while the dual-bank Flash allows firmware update over-the-air with safe fallback to a golden image, a pattern common in IoT gateways and motor-control firmware.
Typical applications include industrial PLC modules, motor control (BLDC, FOC), smart energy metering, USB peripherals, barcode scanners, industrial gateways with Ethernet/CAN, and graphical HMI panels. Designers leverage the EBI to attach external memories/parallel LCDs, and the hardware crypto for TLS acceleration in connected devices.
Design consideration: the 64-pin QFN package has an exposed thermal pad that must be soldered to a ground plane with thermal vias to achieve the rated 105°C extended-temperature operation. Brown-out and watchdog features must be configured in startup code to ensure deterministic reset behavior in industrial installations.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho ATSAM4SD16BB-MN — 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 ATSAM4SD16BB-MN (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, ADC, USB, Mounting Type.
ATSAM4SD16BB-MU
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ATSAM4SD16BB-MNR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SD16BA-MUR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SD16BA-MU
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAM4SD16BB-MU_85C
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ATSAM4SD16BB-MN Tỷ lệ tối đa & tính chất điện
| Core | ARM Cortex-M4 with FPU |
| CPU Architecture | 32-bit RISC |
| Maximum CPU Clock | 120 MHz |
| DMIPS | 150 |
| Program Flash | 1 MB (2x512 KB dual-bank) |
| SRAM | 160 KB (2x32 KB + 128 KB multi-port) |
| Hộp | 64-QFN (9x9 mm) with exposed pad |
| Điện áp cung cấp | 1.62 V to 3.6 V |
| Nhiệt độ hoạt động | -40°C to +105°C (industrial extended) |
| USB | USB 2.0 Full-Speed Host/Device/OTG |
| Ethernet | 10/100 EMAC with MII/RMII |
| CAN | 1x CAN 2.0A/B |
| External Bus Interface (EBI) | 16-bit, supports SRAM/NOR/NAND/LCD |
| ADC | 4-channel 16-bit, up to 1 Msps |
| DAC | 1-channel 12-bit |
| Hardware Cryptography | AES, DES, SHA, TRNG |
| Trạng thái RoHS | Compliant |
Cấu hình chân ATSAM4SD16BB-MN
| Chân 1 | PA0 — GPIO PA0 / PWMH0 / WKUP0 |
| Chân 2 | PA1 — GPIO PA1 / PWML0 |
| Chân 3 | PA2 — GPIO PA2 |
| Chân 4 | PA3 — GPIO PA3 / AD0 |
| Chân 5 | PA4 — GPIO PA4 / AD1 |
| Chân 6 | PA5 — GPIO PA5 / AD2 |
| Chân 7 | PA6 — GPIO PA6 / AD3 |
| Chân 8 | PA7 — GPIO PA7 / AD4 |
| Chân 9 | PA8 — GPIO PA8 / AD5 |
| Chân 10 | PA9 — GPIO PA9 / URXD0 |
| Chân 11 | PA10 — GPIO PA10 / UTXD0 |
| Chân 12 | PA11 — GPIO PA11 |
| Chân 13 | PA12 — GPIO PA12 |
| Chân 14 | PA13 — GPIO PA13 |
| Chân 15 | PA14 — GPIO PA14 |
| Chân 16 | PA15 — GPIO PA15 |
| Chân 17 | VDDIO — I/O supply (1.62-3.6 V) |
| Chân 18 | VSSIO — I/O ground |
| Chân 19 | PB0 — GPIO PB0 / PWMH1 |
| Chân 20 | PB1 — GPIO PB1 / PWML1 |
| Chân 21 | PB2 — GPIO PB2 |
| Chân 22 | PB3 — GPIO PB3 |
| Chân 23 | PB4 — GPIO PB4 |
| Chân 24 | PB5 — GPIO PB5 |
| Chân 25 | PB6 — GPIO PB6 |
| Chân 26 | PB7 — GPIO PB7 |
| Chân 27 | PB8 — GPIO PB8 |
| Chân 28 | PB9 — GPIO PB9 |
| Chân 29 | PB10 — GPIO PB10 |
| Chân 30 | PB11 — GPIO PB11 |
| Chân 31 | PB12 — GPIO PB12 |
| Chân 32 | PB13 — GPIO PB13 |
| Chân 33 | PB14 — GPIO PB14 |
| Chân 34 | PB15 — GPIO PB15 |
| Chân 35 | VDDCORE — Core supply (1.2 V nominal) |
| Chân 36 | VSS — Core ground |
| Chân 37 | PC0 — GPIO PC0 / AD12 |
| Chân 38 | PC1 — GPIO PC1 / AD13 |
| Chân 39 | PC2 — GPIO PC2 / AD14 |
| Chân 40 | PC3 — GPIO PC3 / AD15 |
| Chân 41 | PC4 — GPIO PC4 / TIOA0 |
| Chân 42 | PC5 — GPIO PC5 / TIOB0 |
| Chân 43 | PC6 — GPIO PC6 |
| Chân 44 | PC7 — GPIO PC7 |
| Chân 45 | PC8 — GPIO PC8 |
| Chân 46 | PC9 — GPIO PC9 |
| Chân 47 | PC10 — GPIO PC10 |
| Chân 48 | PC11 — GPIO PC11 |
| Chân 49 | PC12 — GPIO PC12 |
| Chân 50 | PC13 — GPIO PC13 |
| Chân 51 | PC14 — GPIO PC14 |
| Chân 52 | PC15 — GPIO PC15 |
| Chân 53 | PD0 — GPIO PD0 |
| Chân 54 | PD1 — GPIO PD1 |
| Chân 55 | PD2 — GPIO PD2 |
| Chân 56 | PD3 — GPIO PD3 |
| Chân 57 | PD4 — GPIO PD4 |
| Chân 58 | PD5 — GPIO PD5 |
| Chân 59 | PD6 — GPIO PD6 |
| Chân 60 | PD7 — GPIO PD7 |
| Chân 61 | NRST — Reset (active-low) |
| Chân 62 | TST — Test mode (manufacturing) |
| Chân 63 | JTAGSEL — JTAG select |
| Chân 64 | VDDIO — I/O supply (1.62-3.6 V) |
Ứng dụng tiêu biểu
ATSAM4SD16BB-MN phù hợp cho 7 Áp dụngs: Industrial PLC Modules, BLDC / FOC Motor Control, USB Barcode / POS Peripherals, Industrial Ethernet Gateways, Smart Energy Metering, Graphical HMI Panels, IoT Edge Nodes with Crypto.
Industrial PLC Modules
The ATSAM4SD16BB-MN's 120 MHz Cortex-M4 with FPU and DSP extensions handles IEC 61499 function blocks and fast scan-cycle PLC tasks. Its 1 MB dual-bank Flash allows seamless in-field firmware updates with rollback safety. With CAN 2.0, Ethernet MAC, and the 16-bit EBI, a single ATSAM4SD16BB-MN can serve as the master on a backplane with CANopen, Modbus TCP, and parallel I/O expansion. Operating temperature extends to +105°C, suitable for cabinet-edge mounting.
Được đề xuất
BLDC / FOC Motor Control
Field-oriented control of brushless DC motors requires sub-microsecond loop times, which the ATSAM4SD16BB-MN delivers at 120 MHz with FPU-assisted math. The four 16-bit timers drive complementary PWM channels with hardware dead-time insertion, while the 4-channel 16-bit ADC samples phase currents synchronized to the PWM. 1 MB Flash fits FOC firmware plus rotor-position sensorless observers. Extended -40 to +105°C operation supports inverter enclosures.
Được đề xuất
USB Barcode / POS Peripherals
USB 2.0 Full-Speed with OTG enables the ATSAM4SD16BB-MN to act as a USB device or limited host in barcode scanners, POS terminals, and USB peripherals. The 120 MHz core drives image-decoding algorithms while multi-port SRAM isolates USB traffic from CPU/DMA access. Hardware AES/SHA secures payment PIN pads. The 64-QFN footprint fits compact handheld enclosures with the USB PHY on-chip.
Được đề xuất
Industrial Ethernet Gateways
The integrated 10/100 EMAC with MII/RMII lets the ATSAM4SD16BB-MN build protocol-converting gateways (CAN/Ethernet, RS-485/Ethernet, Modbus TCP/RTU) in a single chip. 1 MB Flash holds TLS stacks while AES/SHA/TRNG accelerators offload secure handshakes. Multi-port SRAM buffers 100 Mbit/s line-rate traffic. Hardware watchdog and brown-out are critical for unattended cabinet installations in industrial environments.
Được đề xuất
Smart Energy Metering
Energy meters need a robust 32-bit core with on-chip ADC for multi-channel current sensing and tamper detection. The ATSAM4SD16BB-MN's 4-channel 16-bit ADC at 1 Msps captures Class-0.2 metering accuracy, and 1 MB Flash supports DLMS/COSEM stacks. Hardware AES/SHA secures the meter's credentials. Extended +105°C rating enables outdoor metering enclosures with industrial-grade reliability.
Được đề xuất
Graphical HMI Panels
The 16-bit External Bus Interface (EBI) of the ATSAM4SD16BB-MN connects directly to parallel-TFT LCD controllers and external SRAM for large framebuffers, while 1 MB Flash stores full-color GUI assets and LVGL/firmware. The Cortex-M4 + FPU accelerates image-blending and alpha-mixing for smooth animations. Multi-port SRAM allows pixel data streaming without CPU stalls, ideal for 480x272 or 800x480 panels.
Được đề xuất
IoT Edge Nodes with Crypto
For secure IoT edge devices, the ATSAM4SD16BB-MN's hardware AES, DES, SHA-256, and True Random Number Generator accelerate TLS 1.3 handshakes and secure boot. 1 MB dual-bank Flash supports A/B OTA update firmware images with safe fallback. USB device mode, plus EMAC, gives flexible connectivity, while the +105°C rating enables outdoor deployment of industrial IoT sensors.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATSAM4SD16BB-MN — 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 | ATSAM4SD16BB-MU | ATSAM4SD16BB-MNR | ATSAM4SD16BA-MUR | ATSAM4SD16BA-MU |
|---|---|---|---|---|---|
| Package | 64-QFN (9x9) | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash | 1 MB | 1 MB | 1 MB | 1 MB | 1 MB |
| SRAM | 160 KB | 160 KB | 160 KB | 160 KB | 160 KB |
| Operating Temperature | -40°C to +105°C | -40°C to +85°C | -40°C to +105°C | -40°C to +85°C | -40°C to +85°C |
| Silicon Revision | B | B | B | A | A |
| Packaging Form | Tray | Tray | Tape & Reel | Tape & Reel | Tray |
| Unit Price (qty 100) | $8.38 | $7.80 (approx) | $8.38 (approx) | $7.20 (approx, Rev A discount) | $7.00 (approx, Rev A discount) |
Bảo phân biệt quan trọng
- Extended +105°C operating temperature (vsATSAM4SD16BB-MU)
- Latest Revision B silicon (vsATSAM4SD16BA-MUR)
- Hardware cryptography accelerators integrated (vsATSAM4SD16BB-MU)
Ghi chú thiết kế
Estimated: at 120 MHz CPU core with 1.2 V core supply, the ATSAM4SD16BB-MN draws approximately 100-130 mA core current during active execution. The 64-QFN (9x9 mm) package has theta_JA around 24-30 C/W when the exposed thermal pad is soldered to a 4-layer PCB ground plane with thermal vias. For +105°C extended-temperature operation, ensure the PCB thermal pad has at least 9 thermal vias arranged in a 3x3 grid.
Place 100 nF ceramic bypass capacitors within 5 mm of every VDDIO/VDDCORE pin pair, plus one 4.7 uF bulk cap per supply rail. The exposed thermal pad MUST be soldered to a continuous ground copper pour for both electrical ground reference and thermal dissipation. JTAG/SWD traces (TMS, TCK, TDI, TDO, NRST) should be length-matched and isolated from switching-power traces to avoid debugger noise.
Estimated: Brown-out detection and watchdog timer should be enabled in the startup code (typically the SAM4S startup_xxx.c file) for industrial reliability. Failing to lock Flash write-protect registers in firmware allows accidental erasure during application programming. The dual-bank Flash allows safe firmware upgrade only if the bootloader resides in the appropriate bank and the FCWP register is configured correctly.
Estimated: when routing EMAC signals to an external PHY, keep MII/RMII traces under 100 mm, length-matched within 25 mm, and isolated from switching DC-DC converters. The 50 MHz RMII clock is a particularly noise-sensitive signal. Use source termination on the clock line if trace length exceeds 50 mm. The USB DP/DM traces require 90-ohm differential impedance and a clean 3.3 V supply to the on-chip USB PHY.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified (industrial-grade only).
