ATSAM4SD32CB-CN - SAM4S ARM Cortex-M4 MCU 120MHz 2MB Flash | Microchip
Référence : ATSAM4SD32CB-CN ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $23.77 | $23,77 |
| 10 | $21.5 | $215,00 |
| 100 | $18.95 | $1 895,00 |
| 500 | $16.4 | $8 200,00 |
| 1 000 | $14.75 | $14 750,00 |
ATSAM4SD32CB-CN Présentation
A 32-bit MCU (microcontroller) is a single-chip computer that integrates a processor core, program memory (Flash), data memory (SRAM), and a rich set of peripherals on one die. Microcontrollers sit within the broader taxonomy of microprocessors -> embedded processors -> microcontrollers -> ARM Cortex-M microcontrollers. The Cortex-M4 core additionally provides a single-precision FPU and DSP extensions, making the SAM4S suitable for signal-processing tasks in addition to conventional control.
Key features of the ATSAM4SD32CB-CN include a full-speed USB Device port with embedded transceiver, up to two HS USB hosts/device/OTG capable ports in the family, a 16-bit static memory controller for external NAND Flash / NOR / SDRAM, dual 16-bit ADC and a 12-bit DAC, multiple UART/USART, TWI (I2C), SPI, SSC, and an on-chip temperature sensor. The dual-bank Flash with cache memory accelerates code execution from on-chip storage, while the integrated voltage regulator supports single-supply operation from a 1.62V to 3.6V source (with separate I/O and core domains).
Architecturally the SAM4S combines an M-class core with a Multi-layer Bus Matrix and dedicated peripheral DMA channels that enable parallel data movement between peripherals, SRAM, and Flash without CPU intervention. Revision B (the -CB- suffix) fixes silicon errata and is Microchip's recommended variant for new designs over revision A.
Typical applications include industrial control and HMI panels, USB-connected peripherals such as data loggers and POS terminals, smart energy metering, building automation gateways, and motor-control front-ends. The dual ADC channels and DSP extensions make it well suited to closed-loop feedback control where firmware implements PID or field-oriented motor control algorithms.
When designing with this device, pay close attention to the decoupling network: place a 100 nF X7R 0402 next to every VDD/VDDIO ball pair, add a bulk 4.7 uF tantalum or ceramic at the regulator output, and keep the 32.768 kHz crystal traces short with a guarded ground plane to avoid RTC drift.
Alternatives de remplacement direct pour ATSAM4SD32CB-CN — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec ATSAM4SD32CB-CN (même facteur de forme et même empreinte) — différant par ADC, Core Architecture, Mounting Type, Package, RoHS Status.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ATSAM4SD32CB-CFN
✅ Remplacement direct✓ En stock
$6.05 / unité
Voir la fiche technique →ATSAM4SD32CA-AUR
✅ Remplacement direct✓ En stock
$8.45 / unité
Voir la fiche technique →ATSAM4S8CB-CFN
✅ Remplacement direct✓ En stock
$4.74 / unité
Voir la fiche technique →ATSAM4SD32CB-CN Valeurs maximales et caractéristiques électriques
| Core Architecture | ARM Cortex-M4 (32-bit) |
| Core Revision | Revision B (silicon errata fixed) |
| Maximum Core Clock | 120 MHz |
| Flash Memory | 2 MB (2048 KB), dual-bank with cache |
| SRAM | 160 KB |
| Boîtier | 100-TFBGA, 9 mm x 9 mm |
| Supply Voltage (VDDIO) | 1.62 V to 3.6 V |
| Température de fonctionnement | -40C to +85C (industrial) |
| USB | Full-speed USB Device with embedded transceiver |
| ADC | Dual 12-bit, up to 16 channels (family feature) |
| DAC | 12-bit, 1 channel |
| External Memory Bus | 16-bit static memory controller (NAND/NOR/SDRAM) |
| FPU | Single-precision IEEE 754 |
| DSP Extensions | Yes (MAC, SIMD) |
| DMA | Peripheral DMA controller |
| Type de montage | Surface Mount (BGA) |
| Statut RoHS | Compliant (Pb-free TFBGA) |
Configuration des broches de ATSAM4SD32CB-CN
| Broche A1 | VDDIO — I/O supply voltage (1.62V-3.6V) |
| Broche A2 | PA0 — GPIO / peripheral function |
| Broche A3 | PA1 — GPIO / peripheral function |
| Broche A4 | PA2 — GPIO / peripheral function |
| Broche A5 | PA3 — GPIO / peripheral function |
| Broche A6 | PA4 — GPIO / peripheral function |
| Broche A7 | PA5 — GPIO / peripheral function |
| Broche A8 | PA6 — GPIO / peripheral function |
| Broche A9 | PA7 — GPIO / peripheral function |
| Broche A10 | VDDIO — I/O supply voltage |
| Broche B1 | VSS — Ground |
| Broche B2 | PB0 — GPIO / peripheral function |
| Broche B3 | PB1 — GPIO / peripheral function |
| Broche B4 | PB2 — GPIO / peripheral function |
| Broche B5 | PB3 — GPIO / peripheral function |
| Broche B6 | PB4 — GPIO / peripheral function |
| Broche B7 | PB5 — GPIO / peripheral function |
| Broche B8 | PB6 — GPIO / peripheral function |
| Broche B9 | PB7 — GPIO / peripheral function |
| Broche B10 | VSS — Ground |
| Broche C1 | VDDCORE — Core supply output (internal regulator) |
| Broche C2 | PC0 — GPIO / peripheral function |
| Broche C3 | PC1 — GPIO / peripheral function |
| Broche C4 | PC2 — GPIO / peripheral function |
| Broche C5 | PC3 — GPIO / peripheral function |
| Broche C6 | PC4 — GPIO / peripheral function |
| Broche C7 | PC5 — GPIO / peripheral function |
| Broche C8 | PC6 — GPIO / peripheral function |
| Broche C9 | PC7 — GPIO / peripheral function |
| Broche C10 | VDDCORE — Core supply output |
| Broche D1 | VSS — Ground |
| Broche D2 | PD0 — GPIO / peripheral function |
| Broche D3 | PD1 — GPIO / peripheral function |
| Broche D4 | PD2 — GPIO / peripheral function |
| Broche D5 | PD3 — GPIO / peripheral function |
| Broche D6 | PD4 — GPIO / peripheral function |
| Broche D7 | PD5 — GPIO / peripheral function |
| Broche D8 | PD6 — GPIO / peripheral function |
| Broche D9 | PD7 — GPIO / peripheral function |
| Broche D10 | VSS — Ground |
| Broche E1 | VDDIO — I/O supply voltage |
| Broche E2 | PE0 — GPIO / peripheral function |
| Broche E3 | PE1 — GPIO / peripheral function |
| Broche E4 | PE2 — GPIO / peripheral function |
| Broche E5 | PE3 — GPIO / peripheral function |
| Broche E6 | PE4 — GPIO / peripheral function |
| Broche E7 | PE5 — GPIO / peripheral function |
| Broche E8 | PE6 — GPIO / peripheral function |
| Broche E9 | PE7 — GPIO / peripheral function |
| Broche E10 | VDDIO — I/O supply voltage |
| Broche F1 | VSS — Ground |
| Broche F2 | PF0 — GPIO / peripheral function |
| Broche F3 | PF1 — GPIO / peripheral function |
| Broche F4 | PF2 — GPIO / peripheral function |
| Broche F5 | PF3 — GPIO / peripheral function |
| Broche F6 | PF4 — GPIO / peripheral function |
| Broche F7 | PF5 — GPIO / peripheral function |
| Broche F8 | PF6 — GPIO / peripheral function |
| Broche F9 | PF7 — GPIO / peripheral function |
| Broche F10 | VSS — Ground |
| Broche G1 | VDDIO — I/O supply voltage |
| Broche G2 | PG0 — GPIO / peripheral function |
| Broche G3 | PG1 — GPIO / peripheral function |
| Broche G4 | PG2 — GPIO / peripheral function |
| Broche G5 | PG3 — GPIO / peripheral function |
| Broche G6 | PG4 — GPIO / peripheral function |
| Broche G7 | PG5 — GPIO / peripheral function |
| Broche G8 | PG6 — GPIO / peripheral function |
| Broche G9 | PG7 — GPIO / peripheral function |
| Broche G10 | VDDIO — I/O supply voltage |
| Broche H1 | VSS — Ground |
| Broche H2 | PH0 — GPIO / peripheral function |
| Broche H3 | PH1 — GPIO / peripheral function |
| Broche H4 | PH2 — GPIO / peripheral function |
| Broche H5 | PH3 — GPIO / peripheral function |
| Broche H6 | PH4 — GPIO / peripheral function |
| Broche H7 | PH5 — GPIO / peripheral function |
| Broche H8 | PH6 — GPIO / peripheral function |
| Broche H9 | PH7 — GPIO / peripheral function |
| Broche H10 | VSS — Ground |
| Broche J1 | VDDIO — I/O supply voltage |
| Broche J2 | PJ0 — GPIO / peripheral function |
| Broche J3 | PJ1 — GPIO / peripheral function |
| Broche J4 | PJ2 — GPIO / peripheral function |
| Broche J5 | PJ3 — GPIO / peripheral function |
| Broche J6 | PJ4 — GPIO / peripheral function |
| Broche J7 | PJ5 — GPIO / peripheral function |
| Broche J8 | PJ6 — GPIO / peripheral function |
| Broche J9 | PJ7 — GPIO / peripheral function |
| Broche J10 | VDDIO — I/O supply voltage |
| Broche K1 | VSS — Ground |
| Broche K2 | PK0 — GPIO / peripheral function |
| Broche K3 | PK1 — GPIO / peripheral function |
| Broche K4 | PK2 — GPIO / peripheral function |
| Broche K5 | PK3 — GPIO / peripheral function |
| Broche K6 | PK4 — GPIO / peripheral function |
| Broche K7 | PK5 — GPIO / peripheral function |
| Broche K8 | PK6 — GPIO / peripheral function |
| Broche K9 | PK7 — GPIO / peripheral function |
| Broche K10 | VSS — Ground |
| Broche L1 | VDDIO — I/O supply voltage |
| Broche L2 | XIN — Main oscillator input |
| Broche L3 | XOUT — Main oscillator output |
| Broche L4 | NRST — Reset (active-low) |
| Broche L5 | TST — Test mode (factory use) |
| Broche L6 | JTAGSEL — JTAG selection |
| Broche L7 | ERASE — Flash erase (factory use) |
| Broche L8 | PLLRC — PLL filter capacitor |
| Broche L9 | VDDPLL — PLL supply |
| Broche L10 | VDDIO — I/O supply voltage |
| Broche M1 | VSS — Ground |
| Broche M2 | DM — USB D- data line |
| Broche M3 | DP — USB D+ data line |
| Broche M4 | VDDUTMI — USB transceiver supply |
| Broche M5 | RTCK — JTAG RTCK return clock |
| Broche M6 | TCK — JTAG TCK |
| Broche M7 | TMS — JTAG TMS |
| Broche M8 | TDI — JTAG TDI |
| Broche M9 | TDO — JTAG TDO |
| Broche M10 | VSS — Ground |
Applications typiques
ATSAM4SD32CB-CN convient pour 6 applications: Industrial Control and HMI, USB Data Loggers and POS Terminals, Smart Energy Meters, Building Automation Gateways, Motor Control Front-End, Medical Monitoring Devices.
Industrial Control and HMI
The ATSAM4SD32CB-CN fits industrial control and HMI panels because its 120 MHz Cortex-M4 core executes touch-coordinate processing and PLC scan loops with headroom, while 2 MB Flash stores multi-language UI assets and 160 KB SRAM holds display framebuffers. The 12-bit ADC and PWM timers enable direct interface to 4-20 mA analog inputs and three-phase motor drive stages. According to the SAM4S datasheet, the dual-bank Flash supports firmware over-the-air updates without halting the application, critical for factory-floor uptime. The wide -40C to +85C operating range and 1.62V-3.6V supply span industrial 3.3V rails without additional level shifters.
Recommandé
USB Data Loggers and POS Terminals
Full-speed USB Device with embedded transceiver makes ATSAM4SD32CB-CN ideal for USB-tethered data loggers and POS terminals that draw power from VBUS. The Cortex-M4 DSP extensions accelerate CRC and compression routines used to sign or compress transaction logs in real time, while 2 MB Flash retains configuration and audit history. The peripheral DMA controller streams ADC samples to SRAM without CPU intervention, freeing the core to maintain the USB endpoint state machine. The 1.62V to 3.6V supply tolerance matches raw VBUS regulation after a single LDO, simplifying power-tree design.
Recommandé
Smart Energy Meters
The dual 12-bit ADC and DSP extensions on the ATSAM4SD32CB-CN are tuned for smart-meter class applications where simultaneous voltage and current sampling feeds into power-calculation DSP routines. Class-1 meter accuracy is achievable when the firmware uses the on-chip temperature sensor to compensate ADC gain drift. The 160 KB SRAM buffers waveform samples before processing, while 2 MB Flash stores tariff tables and rolling 90-day logs. The external memory bus can address serial NOR or NAND for non-volatile event storage beyond the on-chip Flash quota.
Recommandé
Building Automation Gateways
Building automation gateways require multiple serial buses, and the ATSAM4SD32CB-CN provides up to five UART/USART plus TWI (I2C) and SPI to bridge RS-485 Modbus, KNX, and wireless modules. The 120 MHz core runs protocol stacks like BACnet or LonWorks with margin, and 2 MB Flash stores OTA updates. The integrated voltage regulator simplifies single-rail 3.3V designs, while the -40C to +85C industrial range covers rooftop and basement installations. The peripheral DMA controller offloads packet parsing so the CPU can run the gateway web server concurrently.
Recommandé
Motor Control Front-End
The Cortex-M4 DSP engine and PWM timers on the ATSAM4SD32CB-CN support field-oriented control of three-phase BLDC and PMSM motors up to several kW. The 12-bit ADC samples phase currents with sub-microsecond conversion, while DMA streams samples to the CPU without interrupt overhead. The 160 KB SRAM holds Clark/Park transform tables and PI-controller state variables. The 100-TFBGA package provides a thermal path that supports continuous switching losses when paired with a 4-layer PCB and ground pour under the BGA.
Recommandé
Medical Monitoring Devices
Low-power modes plus DSP signal-processing capability make ATSAM4SD32CB-CN appropriate for portable patient monitors that perform on-board ECG/EMG filtering. The single-precision FPU accelerates FFT-based heart-rate-variability analysis, while the 12-bit ADC captures electrode signals at adequate resolution for screening-grade monitors. The 2 MB Flash stores firmware plus a device-history log required by IEC 62304, and the industrial temperature range supports disinfection workflows. Note: For FDA-class-III designs additional qualification is required beyond this component-level evaluation.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATSAM4SD32CB-CN — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATSAM4SD32CB-CFN | ATSAM4SD32CB-AN | ATSAM4SD32CA-AUR | ATSAM4S8CB-CFN |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-TFBGA (9x9) | 100-TFBGA (9x9) - same | 100-LQFP (14x14) - differs | 100-TFBGA - same | 100-TFBGA - same |
| Silicon Revision | B (recommended for new designs) | B | B | A (legacy errata) | B |
| Flash Memory | 2 MB | 2 MB | 2 MB | 2 MB | 1 MB |
| SRAM | 160 KB | 160 KB | 160 KB | 160 KB | 128 KB |
| Maximum Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| USB | Full-speed USB Device with embedded transceiver | Same | Same | Same | Same |
Principaux différenciateurs
- Highest memory configuration in the SAM4S family (vs ATSAM4S8CB-CFN)
- Revision B silicon fixes known errata (vs ATSAM4SD32CA-AUR)
- Compact 100-TFBGA footprint for space-constrained designs (vs ATSAM4SD32CB-AN)
Notes de conception
Place a 100 nF X7R 0402 ceramic decoupling capacitor within 2 mm of every VDDIO/VDDCORE ball pair. Add a bulk 4.7 uF X5R ceramic on the VDDCORE rail to stabilize the internal 1.2V regulator output. The on-chip voltage regulator requires an external 1 uF + 100 nF capacitor network on its VDDPLL supply ball (per SAM4S datasheet) for clean PLL operation.
Estimated: At 120 MHz core clock with all peripherals active and 3.3V I/O toggling, the 100-TFBGA package dissipates approximately 0.5-0.8 W in continuous operation. The TFBGA-100 theta_JA is approximately 30 C/W on a 4-layer JEDEC test board; ensure the PCB ground pour covers the BGA land array with thermal vias to the inner ground plane for sustained 120 MHz operation in enclosed enclosures.
Route the 32.768 kHz crystal traces (XIN32/XOUT32) within 5 mm of the MCU with a guarded ground plane to minimize RTC drift. Keep the 12 MHz main-oscillator traces short and symmetrical, and avoid routing high-speed signals (USB DP/DM, PWM outputs) under the BGA. Use 0.1 mm escape routing and micro-via-in-pad if board density requires - non-solder-mask-defined (NSMD) pads improve BGA joint reliability.
Do not omit the NRST pull-up resistor (10 kOhm to VDDIO); without it the device may intermittently reset on power-up. Do not enable both the main oscillator and the internal RC oscillator simultaneously - configure the CKGR_MOR register to select one source before switching clocks. Always perform Flash erase operations from RAM-resident code, never from Flash-resident code, or the operation will stall the bus matrix.
For USB Full-Speed operation, the DP/DM traces must be 90 ohm differential impedance matched, with no splits in the ground plane beneath them. Add a common-mode choke and ESD protection array (such as USBLC6-2SC6) close to the USB connector to meet IEC 61000-4-2 air-discharge ratings. The internal USB transceiver requires a 1 uF + 100 nF decoupling network on VDDUTMI for clean signal eye compliance.
Informations de conformité
Pb-free TFBGA package per Microchip product page. Not AEC-Q100 qualified; for automotive applications consider SAM V71/SAM E70 family. RoHS and REACH compliance stated on Microchip product page.
