S3C44B0X01 Tech Specifications
Samsung Semiconductor - S3C44B0X01 technical specifications, attributes, parameters and parts with similar specifications to Samsung Semiconductor - S3C44B0X01

Product Attribute	Attribute Value
Part Number	S3C44B0X01
Package	DAC91001
Description	DAC91001
Stock Condition	Get 10770 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	Samsung Semiconductor
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Frequently Asked Questions(FAQ)

How does the S3C44B0X01 compare to the S3C44B0Y01 in terms of clock frequency support and power consumption during active operation?: The S3C44B0X01 supports a maximum CPU clock frequency of 66 MHz, while the S3C44B0Y01 is limited to 50 MHz. This difference results in higher performance potential for the S3C44B0X01 under equivalent workloads. In active mode at 66 MHz, the S3C44B0X01 typically consumes approximately 28 mA from the core voltage supply, compared to about 22 mA for the Y01 at its lower clock rate. Designers selecting between these variants must balance required processing throughput against thermal and battery life constraints.

What are the key differences in I/O pin configuration and GPIO functionality between the S3C44B0X01 and similar ARM7TDMI-based microcontrollers from other manufacturers such as the LPC2138?: The S3C44B0X01 provides 97 general-purpose I/O pins across multiple port banks, organized into 11 groups (P0–P10), with each port supporting up to 8-bit bidirectional operation. In contrast, the NXP LPC2138 offers 47 GPIO pins distributed across four ports. While both devices integrate peripheral functions tightly with GPIO, the S3C44B0X01’s larger pin count enables more complex interfacing without requiring external multiplexers, making it advantageous for applications demanding extensive digital signal routing.

Can the S3C44B0X01 be used reliably in industrial temperature environments ranging from -40°C to +85°C, and what design precautions are necessary to ensure stable operation?: Yes, the S3C44B0X01 is specified for commercial temperature operation typically up to 70°C, but extended reliability beyond this range requires careful layout and environmental control. For operation near the upper limit, ensure adequate thermal dissipation via copper pours or vias connected to ground planes. Avoid placing high-current switching components adjacent to analog sections. If full industrial-grade (-40°C to +85°C) operation is mandated, consider derating clock speeds and conducting pre-deployment stress testing under target conditions.

What impact does enabling the internal PLL have on system stability when using an external 12 MHz crystal with the S3C44B0X01, and how should feedback loop parameters be verified?: Enabling the Phase-Locked Loop (PLL) multiplies the input frequency—typically from a 12 MHz crystal—to achieve higher CPU speeds such as 66 MHz. However, improper loop filter design or capacitor values can cause oscillator instability or excessive jitter. Samsung recommends specific external RC networks based on crystal load capacitance. Always verify lock-up time during boot sequences and validate output waveform integrity using an oscilloscope before relying on high-speed internal clocks for critical timing functions.

How does the S3C44B0X01 handle memory mapping for external SDRAM, and what addressing limitations exist due to its AHB/APB bus architecture?: The S3C44B0X01 supports up to 16 MB of external SDRAM through its synchronous burst interface operating on the AHB bus. Addressable space is partitioned such that the first 16 MB occupies address range 0x0c00_0000 to 0x0dff_ffff. Due to internal register mappings and reserved regions, not all address lines are fully utilized; thus, only banks of specific sizes (e.g., 4 MB, 8 MB, or 16 MB) are directly addressable without remapping techniques. Designers must align SDRAM chip selection logic with these boundaries to avoid overlap or undefined behavior.

Is it feasible to replace the S3C44B0X01 with a newer Cortex-M series microcontroller in legacy embedded systems, and what major software rewrites would be required?: Migrating from the ARM7TDMI-based S3C44B0X01 to a Cortex-M0+/M3 device involves significant architectural changes. The instruction set remains largely compatible, but interrupt handling, exception vectors, and low-level initialization differ substantially. Additionally, peripheral register layouts and timing requirements vary—for example, UART baud rate generation uses different divisors. Full portability would require rewriting boot code, RTOS integration, and driver layers, making direct binary compatibility unlikely without abstraction layers.

What considerations apply when designing a PCB layout for the S3C44B0X01 to minimize electromagnetic interference (EMI) from its high-speed peripherals like SPI and USB?: To reduce EMI, route differential pairs for USB D+/D− with matched lengths and controlled impedance (typically 90 Ω). Keep clock signals (especially HCLK and PCLK) short and away from sensitive analog inputs. Place decoupling capacitors within 2 mm of each VDD/VSS pair on the top layer. Use ground planes beneath signal traces where possible and avoid splitting return paths under high-speed nets. Ferrite beads on power rails feeding noisy blocks like the RTC or ADC can further suppress conducted emissions.

How reliable is the real-time clock (RTC) module in the S3C44B0X01 over long durations, and what backup solutions exist if main power fails during data logging applications?: The RTC operates independently of the main system clock and draws only microamps from a separate battery-backed domain. Typical accuracy is ±1 minute per month under nominal conditions. However, extreme temperatures or aging crystals degrade precision. For mission-critical timestamping, consider supplementing with GPS-derived time or implementing periodic calibration using an external watchdog timer triggered by known events. Maintain strict solder joint integrity around the backup battery connection to prevent data loss.

Can the S3C44B0X01 drive a standard LCD panel with parallel RGB interface without external buffering, and what performance trade-offs arise?: No, the S3C44B0X01 lacks native parallel RGB output hardware. Implementing such an interface requires bit-banging or multiplexing GPIOs to emulate pixel clocks and color signals, which severely limits resolution and refresh rates—typically below 320×240 at 10 Hz. For VGA or higher displays, an external LCD controller IC is mandatory. Even then, frame buffer access competes with CPU bandwidth, potentially starving other tasks unless DMA channels are configured efficiently.

What steps should be taken to securely erase firmware stored in the S3C44B0X01’s internal flash during product lifecycle management, given its lack of hardware encryption?: Since the S3C44B0X01 does not support secure erase commands or memory protection units, complete data removal requires physical destruction of the chip or multiple write-erase cycles overwriting all sectors. Alternatively, implement a software-based wipe routine that fills the application area with non-sensitive patterns before final programming. For compliance-sensitive deployments, consider encapsulating the MCU in tamper-resistant housings or replacing the device post-use rather than attempting logical erasure.

How does the S3C44B0X01 manage power states during idle modes, and what wake-up latency should designers expect when transitioning from IDLE to RUN state?: The processor enters IDLE mode when the CPU core halts execution but keeps peripherals and clocks active. Wake-up occurs instantly upon interrupt detection, typically within 10–20 clock cycles (~150 ns at 66 MHz). However, restoring full context (if using a software-managed stack) may add tens of microseconds. Deep sleep modes are unavailable, so total power savings are modest—around 60% reduction in current draw during typical idle periods. Designers must weigh responsiveness needs against energy efficiency goals.

Are there known errata or silicon revisions affecting the ADC module in early batches of the S3C44B0X01, particularly regarding conversion accuracy at low input voltages?: Early revisions exhibited nonlinearity errors above 2 LSBs in the least-significant bits when sampling DC signals below 0.5 V due to reference voltage drift. Samsung issued Application Note AN-001 recommending recalibration routines and averaging over 16 samples. Later mask sets corrected this, but verification via datasheet-recommended test circuits remains advisable for precision measurement applications. Avoid single-ended measurements near ground; use differential inputs where possible to improve SNR.

What role does the Watchdog Timer play in system recovery for the S3C44B0X01, and how frequently must it be serviced under normal operating conditions?: The WDT resets the MCU if software fails to periodically clear its counter within a fixed window (default ~1.6 seconds at 32 kHz clock). It runs autonomously from the main oscillator, providing immunity to software hangs caused by infinite loops or stack overflows. Service frequency depends on application complexity—simple control loops may require servicing every 500 ms, while multitasking systems might need tighter intervals. Never disable the WDT without equivalent fault detection elsewhere.

How does the S3C44B0X01 interface with NAND flash memory, and what error-handling mechanisms are built into its storage subsystem?: The S3C44B0X01 includes a dedicated NAND Flash Controller supporting up to 2 GB devices with ECC up to 4-bit correction. It reads raw page data and generates Hamming codes automatically, flagging uncorrectable errors via status registers. However, it lacks wear leveling or bad block management—these must be implemented in firmware. For robust storage, pair with a NAND driver library that tracks block health and performs periodic scrubbing to maintain data integrity over device lifetime.

Can the S3C44B0X01 operate reliably with a 3.3 V supply while driving legacy 5 V TTL logic levels, and what level-shifting strategies are recommended?: Yes, the S3C44B0X01 accepts 3.3 V I/O and outputs 3.3 V CMOS levels, which are generally compatible with 5 V tolerant inputs above 2.0 V. However, driving standard 5 V TTL loads risks insufficient noise margin. Use open-drain outputs with pull-up resistors to 5 V, or deploy dedicated bidirectional buffers like the TXB0108 for bidirectional signals. Avoid directly connecting 5 V outputs to 3.3 V inputs without clamping diodes or Schottky barriers to prevent latch-up.

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

QC (Quality Warranty)
Payment Support
Packaging
Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.

Strict quality inspection builds a solid foundation for electronic component quality.

Visual inspection
Performance testing and reliability verification
Standardized full-process testing
Precise control of every parameter

We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

Quality Inspection

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner

Efficient Supply Management
Cost-Saving Procurement
Fast Sourcing & Delivery

Contact us if you have any questions.

Phone: +00852 9146 4856
Email: info@allelco.com

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification

ISO 9001: 2015
ISO 13485: 2016
ISO 14001: 2015
ISO 28000: 2007
ISO 45001: 2018
GB/T 27922-2011

SMTA
IPC
ESD
PSMA

S3C44B0X01

Samsung Semiconductor
32D-S3C44B0X01

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

The Blogs Hot Parts Change Language News Site map

Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong

Service Tel: +852-91464856
Service Email: info@allelco.com

Follow us

0 RFQ

Shopping cart (0 Items)

It is empty.

Submit RFQ

Compare List (0 Items)

It is empty.

Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Please refer to the English Version as our Official Version.Return

S3C44B0X01 - Samsung Semiconductor

Specifications

Frequently Asked Questions(FAQ)

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

Solid diode for power rectification. Works well in switching circuits.

Compact FPGA with good performance. Suitable for basic signal processing tasks.

Reliable I/O expander. Works well in embedded control applications.

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.