ATSAM4SD16CB-ANR - 32-bit ARM Cortex-M4 MCU, 1MB Flash, 100-LQFP | Microchip
MPN: ATSAM4SD16CB-ANR ✓ פעילATSAM4SD16CB-ANR סקירה
What is a Cortex-M4 microcontroller? A Cortex-M4 microcontroller is a 32-bit RISC processor core designed by Arm Holdings specifically for embedded applications that require deterministic real-time performance and (optionally) single-precision floating-point math. The Cortex-M4 sits at the top of the Cortex-M family for performance; it is positioned between the smaller Cortex-M0+/M3 and the higher-end Cortex-M7. MCUs based on this core are widely used in motor control, industrial automation, consumer audio, USB peripherals, and IoT edge nodes where both DSP-like signal processing and low power are required.
Key features of the ATSAM4SD16CB-ANR include 1MB Flash (dual-bank for in-field firmware upgrade), 160KB SRAM, a high-speed Multi-port SRAM bus, an external bus interface (EBI) supporting SRAM, NOR Flash, and PSRAM, a full-speed USB Device port, an SD/MMC interface, two I2S controllers, two 3-channel 16-bit timer/counters, four USARTs, two UARTs, two TWI (I2C) ports, two SPI ports, one HS-SPI, an 8-channel 10-bit ADC, and a Real-Time Clock with calendar/alarm. The 100-LQFP package (14 mm x 14 mm) gives access to most peripherals while remaining hand-solderable for prototypes.
The ATSAM4SD16CB-ANR uses a single 1.62V to 3.6V supply, with internal voltage regulators generating the 1.2V core voltage. Power consumption is in the single-digit milliampere range at full 120 MHz speed, and several low-power modes (Sleep, Wait, Backup) reduce quiescent draw dramatically. The chip operates over the industrial -40C to +85C range, with the -ANR suffix designating extended temperature grade (105C) and tape-and-reel packaging.
Typical applications include industrial control PLCs and HMIs, USB peripherals such as data loggers and POS terminals, smart energy metering, building automation gateways, motor-control BLDC drives, and consumer audio devices that benefit from the I2S ports and DSP instructions. Revision B (MRL B) silicon is the recommended variant for new designs; older revisions are now legacy.
When designing with this part, place a 10uF plus 0.1uF bulk-rail decoupling network within a few millimetres of each VDD/VBAT pin pair, and keep the 32.768 kHz crystal trace short and guarded. The USB DP/DM traces should be routed as a 90-ohm differential pair and the ferrite bead per Microchip application note recommendations to pass USB compliance.
חלופות תחליף ישיר עבור ATSAM4SD16CB-ANR — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם ATSAM4SD16CB-ANR (אותו גורם צורה וטביעת רגל) — שונים ב Package, ADC, Core Architecture, Operating Temperature, USB.
ATSAM4SD16CB-AN
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
ATSAM4SA16CB-ANR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAM4SA16CB-AN
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAM4SD16CA-AUR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAM4SD16CA-CUR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAM4SD16CA-AU
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAM4SD16CA-ANR
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←ATSAM4SD16CB-ANR דירוגים מרביים ומאפיינים חשמליים
| Core Architecture | ARM Cortex-M4F (32-bit RISC, with FPU) |
| Maximum CPU Clock | 120 MHz |
| Flash Memory | 1 MB (2 x 512 KB dual-bank) |
| SRAM | 160 KB |
| Operating Voltage | 1.62 V to 3.6 V |
| מארז | 100-LQFP (14 x 14 mm) |
| טמפרטורת פעולה | -40C to +105C (extended) |
| USB Interface | USB 2.0 Full-Speed Device, embedded transceiver |
| External Bus Interface (EBI) | Yes - SRAM/NOR/PSRAM |
| ADC | 8-channel, 10-bit |
| Timers | 2 x 3-channel 16-bit TC |
| Communication | 4 x USART, 2 x UART, 2 x SPI, 1 x HS-SPI, 2 x TWI (I2C), 2 x I2S |
| SD/MMC Interface | Yes (HSMCI) |
| Cryptography | TRNG + AES hardware accelerator |
| Silicon Revision | MRL B (Revision B) |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant |
| Packaging | Tape & Reel |
תצורת פינים של ATSAM4SD16CB-ANR
| פין 1 | PA0 — I/O line / peripheral function A0 |
| פין 2 | PA1 — I/O line / peripheral function A1 |
| פין 3 | PA2 — I/O line / peripheral function A2 |
| פין 4 | PA3 — I/O line / peripheral function A3 |
| פין 5 | PA4 — I/O line / peripheral function A4 |
| פין 6 | PA5 — I/O line / peripheral function A5 |
| פין 7 | PA6 — I/O line / peripheral function A6 |
| פין 8 | PA7 — I/O line / peripheral function A7 |
| פין 9 | VDDIO — I/O supply voltage |
| פין 10 | VSSIO — I/O ground |
| פין 11 | PB0 — I/O line / peripheral function B0 |
| פין 12 | PB1 — I/O line / peripheral function B1 |
| פין 13 | PB2 — I/O line / peripheral function B2 |
| פין 14 | PB3 — I/O line / peripheral function B3 |
| פין 15 | PB4 — I/O line / peripheral function B4 |
| פין 16 | PB5 — I/O line / peripheral function B5 |
| פין 17 | PB6 — I/O line / peripheral function B6 |
| פין 18 | PB7 — I/O line / peripheral function B7 |
| פין 19 | PB8 — I/O line / peripheral function B8 |
| פין 20 | PB9 — I/O line / peripheral function B9 |
| פין 21 | PB10 — I/O line / peripheral function B10 |
| פין 22 | PB11 — I/O line / peripheral function B11 |
| פין 23 | PB12 — I/O line / peripheral function B12 |
| פין 24 | PB13 — I/O line / peripheral function B13 |
| פין 25 | PB14 — I/O line / peripheral function B14 |
| פין 26 | PB15 — I/O line / peripheral function B15 |
| פין 27 | VDDCORE — Core supply output (1.2 V regulator) |
| פין 28 | VSS — Digital ground |
| פין 29 | VDDIO — I/O supply voltage |
| פין 30 | VSSIO — I/O ground |
| פין 31 | PC0 — I/O line / peripheral function C0 |
| פין 32 | PC1 — I/O line / peripheral function C1 |
| פין 33 | PC2 — I/O line / peripheral function C2 |
| פין 34 | PC3 — I/O line / peripheral function C3 |
| פין 35 | PC4 — I/O line / peripheral function C4 |
| פין 36 | PC5 — I/O line / peripheral function C5 |
| פין 37 | PC6 — I/O line / peripheral function C6 |
| פין 38 | PC7 — I/O line / peripheral function C7 |
| פין 39 | PC8 — I/O line / peripheral function C8 |
| פין 40 | PC9 — I/O line / peripheral function C9 |
| פין 41 | PC10 — I/O line / peripheral function C10 |
| פין 42 | PC11 — I/O line / peripheral function C11 |
| פין 43 | PC12 — I/O line / peripheral function C12 |
| פין 44 | PC13 — I/O line / peripheral function C13 |
| פין 45 | PC14 — I/O line / peripheral function C14 |
| פין 46 | PC15 — I/O line / peripheral function C15 |
| פין 47 | PC16 — I/O line / peripheral function C16 |
| פין 48 | PC17 — I/O line / peripheral function C17 |
| פין 49 | PC18 — I/O line / peripheral function C18 |
| פין 50 | PC19 — I/O line / peripheral function C19 |
| פין 51 | VSS — Digital ground |
| פין 52 | VDDIO — I/O supply voltage |
| פין 53 | PC20 — I/O line / peripheral function C20 |
| פין 54 | PC21 — I/O line / peripheral function C21 |
| פין 55 | PC22 — I/O line / peripheral function C22 |
| פין 56 | PC23 — I/O line / peripheral function C23 |
| פין 57 | PC24 — I/O line / peripheral function C24 |
| פין 58 | PC25 — I/O line / peripheral function C25 |
| פין 59 | PC26 — I/O line / peripheral function C26 |
| פין 60 | PC27 — I/O line / peripheral function C27 |
| פין 61 | PC28 — I/O line / peripheral function C28 |
| פין 62 | PC29 — I/O line / peripheral function C29 |
| פין 63 | PC30 — I/O line / peripheral function C30 |
| פין 64 | PC31 — I/O line / peripheral function C31 |
| פין 65 | VDDIO — I/O supply voltage |
| פין 66 | VSSIO — I/O ground |
| פין 67 | PD0 — I/O line / peripheral function D0 |
| פין 68 | PD1 — I/O line / peripheral function D1 |
| פין 69 | PD2 — I/O line / peripheral function D2 |
| פין 70 | PD3 — I/O line / peripheral function D3 |
| פין 71 | PD4 — I/O line / peripheral function D4 |
| פין 72 | PD5 — I/O line / peripheral function D5 |
| פין 73 | PD6 — I/O line / peripheral function D6 |
| פין 74 | PD7 — I/O line / peripheral function D7 |
| פין 75 | PD8 — I/O line / peripheral function D8 |
| פין 76 | PD9 — I/O line / peripheral function D9 |
| פין 77 | PD10 — I/O line / peripheral function D10 |
| פין 78 | PD11 — I/O line / peripheral function D11 |
| פין 79 | PD12 — I/O line / peripheral function D12 |
| פין 80 | PD13 — I/O line / peripheral function D13 |
| פין 81 | PD14 — I/O line / peripheral function D14 |
| פין 82 | PD15 — I/O line / peripheral function D15 |
| פין 83 | VDDIO — I/O supply voltage |
| פין 84 | VSSIO — I/O ground |
| פין 85 | XIN — Crystal oscillator input |
| פין 86 | XOUT — Crystal oscillator output |
| פין 87 | XIN32 — 32.768 kHz crystal input |
| פין 88 | XOUT32 — 32.768 kHz crystal output |
| פין 89 | NRST — Active-low reset input |
| פין 90 | TST — Test mode (factory, leave floating or pull low) |
| פין 91 | JTAGSEL — JTAG boundary scan select (per datasheet) |
| פין 92 | VDDIO — I/O supply voltage |
| פין 93 | VSSIO — I/O ground |
| פין 94 | DDM — USB Full-Speed D- line |
| פין 95 | DDP — USB Full-Speed D+ line |
| פין 96 | VDDUTMI — USB transceiver supply (3.3 V) |
| פין 97 | VBUS — USB VBUS detect input |
| פין 98 | VDDCORE — Core supply output (1.2 V regulator) |
| פין 99 | VSS — Digital ground |
| פין 100 | VDDIO — I/O supply voltage |
יישומים טיפוסיים
ATSAM4SD16CB-ANR מתאים עבור 7 יישוםs: Industrial Control PLCs and HMIs, USB Data Loggers and POS Terminals, Smart Energy Meters and Building Automation Gateways, BLDC Motor Control Drives, Consumer Audio Products with I2S, IoT Edge Sensor Hubs, Automotive Aftermarket Accessories.
Industrial Control PLCs and HMIs
The ATSAM4SD16CB-ANR is well suited to industrial PLC and HMI designs thanks to its 120 MHz Cortex-M4F core, 1 MB dual-bank Flash for safe firmware upgrades, and the 100-LQFP package that exposes the full EBI for external SRAM/NOR. The chip's industrial -40C to +105C temperature range and integrated USB Device simplify connection to programming port or HMI panel. Typical designs use the chip to drive a TFT LCD via the EBI, scan key matrices through GPIO, and run Modbus RTU on the UARTs with deterministic interrupt latency from the Cortex-M4 NVIC.
מומלץ
USB Data Loggers and POS Terminals
The integrated USB 2.0 Full-Speed Device port with on-chip transceiver makes the ATSAM4SD16CB-ANR an obvious choice for USB data loggers and POS terminals, eliminating the need for an external PHY and saving both BOM cost and PCB area. The 160 KB SRAM can buffer large logging payloads, while the SD/MMC interface (HSMCI) handles removable storage up to 32 GB. Pair with an external crypto-authentication IC for secure firmware-load sessions over USB.
מומלץ
Smart Energy Meters and Building Automation Gateways
Smart energy metering needs accurate ADC sampling, secure firmware, and robust communication - all strengths of the ATSAM4SD16CB-ANR. The 8-channel 10-bit ADC is suitable for voltage and current sensing in single-phase meters, while the Cortex-M4F FPU accelerates the DSP routines used for RMS and power-factor calculations. The dual-bank Flash supports secure OTA firmware upgrades mandated by IEC compliance, and the TRNG plus AES hardware engine provides the cryptographic primitives for signed firmware and TLS handshakes.
מומלץ
BLDC Motor Control Drives
Field-oriented control (FOC) of brushless DC motors demands deterministic PWM generation and fast math - exactly what the ATSAM4SD16CB-ANR provides through its Cortex-M4F core with hardware FPU and DSP extensions. The on-chip 16-bit timer/counter blocks generate complementary 3-phase PWM with hardware dead-time insertion, and the high-speed ADC can be triggered synchronously to PWM edges for phase-current sensing. The 1 MB Flash holds sensorless or encoder-based FOC firmware with headroom for application-layer protocols.
מומלץ
Consumer Audio Products with I2S
The ATSAM4SD16CB-ANR includes two I2S controllers plus the Cortex-M4 DSP instructions, making it a viable controller for consumer audio products such as Bluetooth speakers, sound bars, and headphone amplifiers that decode audio locally. USB Audio Class can be implemented directly via the on-chip USB Device port, streaming PCM at up to 24-bit / 96 kHz to the I2S DAC without an external codec bridge. The wide 1.62-3.6 V supply simplifies direct Li-ion battery operation.
מומלץ
IoT Edge Sensor Hubs
IoT edge hubs require a low-power controller with rich connectivity, secure firmware, and enough Flash to host TLS stacks and Over-The-Air (OTA) update logic - all provided by the ATSAM4SD16CB-ANR. The two TWI (I2C) ports and two SPI ports let the MCU connect to multiple environmental sensors simultaneously, while a UART-based sub-GHz or BLE module transports data to the gateway. The chip's Backup mode drops current consumption into the microamp range between measurements, ideal for battery-powered deployments.
מומלץ
Automotive Aftermarket Accessories
Although not AEC-Q100 qualified, the ATSAM4SD16CB-ANR's extended -40C to +105C temperature range, 1 MB dual-bank Flash, and integrated USB make it a popular choice for automotive aftermarket accessories such as OBD-II scan tools, head-up displays, and infotainment expansion modules. The dual-bank Flash supports safe bootloader-based firmware updates over USB or CAN. Designers should add an external watchdog and TVS protection for the harsh automotive electrical environment.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור ATSAM4SD16CB-ANR — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | ATSAM4SD16CB-AN | ATSAM4SA16CB-ANR | ATSAM4SA16CB-AN | ATSAM4SD16CA-AUR | ATSAM4SD16CA-CUR | ATSAM4SD16CA-AU | ATSAM4SD16CA-ANR |
|---|---|---|---|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz | ARM Cortex-M4F @ 120 MHz |
| Flash Memory | 1 MB (dual-bank) | 1 MB (dual-bank) | 1 MB (single-bank) | 1 MB (single-bank) | 1 MB (dual-bank) | 1 MB (dual-bank) | 1 MB (dual-bank) | 1 MB (dual-bank) |
| SRAM | 160 KB | 160 KB | 160 KB | 160 KB | 160 KB | 160 KB | 160 KB | 160 KB |
| Silicon Revision | MRL B (Revision B) | MRL B | MRL B | MRL B | MRL A (Revision A) | MRL A (Revision A) | MRL A (Revision A) | MRL A (Revision A) |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +105C |
| Packaging | Tape & Reel | Tray | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tray | Tape & Reel |
| USB Device Port | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) |
מבדילים עיקריים
- Revision B (MRL B) silicon with dual-bank Flash for safe in-field firmware upgrades (לעומתATSAM4SD16CA-AUR)
- Extended temperature grade -40C to +105C versus -40C to +85C (לעומתATSAM4SD16CA-CUR)
- 1 MB Flash with dual-bank versus ATSAM4SA16CB-ANR single-bank architecture (לעומתATSAM4SA16CB-ANR)
הערות תכנון
The ATSAM4SD16CB-ANR integrates a 1.2 V core LDO regulator that supplies VDDCORE from VDDIO. Per the SAM4S datasheet, place a 10 uF plus 100 nF decoupling pair within 5 mm of each VDDIO/VSSIO pair and a 1 uF plus 10 nF pair on VDDCORE. The internal LDO can deliver the full 120 MHz core current without external pass transistor, so no external FET is required - this is one of the engineering simplifications the SAM4 family offers.
USB DP/DM traces (pins 94, 95) must be routed as a 90 ohm differential pair with no stubs, and VBUS (pin 97) needs an internal pull-down or resistor divider per the SAM4S datasheet. The 32.768 kHz crystal traces (XIN32/XOUT32, pins 87/88) should be kept under 5 mm total and surrounded by a ground guard ring to avoid frequency pulling. Place the main high-frequency crystal (XIN/XOUT, pins 85/86) within 5 mm of the MCU with its load capacitors to ground.
Do not leave the TST pin (pin 90) floating in production - the SAM4S datasheet requires it to be tied low or to VSS for normal operation, otherwise the MCU may enter factory test mode. The NRST pin (pin 89) needs an external 10 kohm pull-up plus a 100 nF capacitor to ground for a clean reset; check that your reset source can drive this RC combination. For bootloader entry via SAM-BA, ensure that the boot pins or ERASE pin sequence is correctly sequenced per the application note.
Estimated: at 120 MHz core clock, full peripheral activity, and 3.3 V VDDIO, the SAM4SD16 family typically dissipates around 80 mW internal power. The 100-LQFP package has a thermal resistance (theta_JA) of approximately 50 C/W on a 4-layer PCB with 1 oz copper pours. This gives a junction-to-ambient temperature rise of about 4 C - well within the -40C to +105C operating range. Always verify with thermal measurement on the final layout if the design runs hot.
When using the external bus interface (EBI) for SRAM/NOR at full clock speed, keep the address, data, and chip-select traces matched to within 25 mm to avoid setup/hold violations. Series damping resistors of 22-33 ohm on each EBI line can be added if the bus load exceeds 30 pF total. Per Microchip's SAM4S application notes, the EBI clock must remain under 80 MHz at 3.3 V to meet the timing requirements of typical 10 ns SRAMs.
מידע על תאימות
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - this part targets industrial/consumer, not automotive safety-critical applications.
