MC9S08SH4CFK - 40MHz 8-Bit 4KB MCU | NXP | 24-QFN
MPN: MC9S08SH4CFK ✗ Tapus ng BuhayMC9S08SH4CFK Ulas
What is an 8-bit microcontroller? An 8-bit microcontroller is a semiconductor that integrates a CPU, program memory, data memory, peripherals, and I/O into one device. Its MCU status places it in the embedded-control hierarchy: microcontroller → embedded controller → semiconductor. The S08 architecture provides a compact platform for sequential control, sensor reading, communication, and actuator logic where higher processing capacity is unnecessary.
Key verified features include 4 KB of Flash program storage, a 40 MHz HCS08 processor, 8-bit bus width, support for as many as 32 interrupt or reset sources, integrated timers, and a 12-channel ADC with 10-bit resolution. One distributor source states a 2.7 V to 5.5 V supply range, while another describes the family as intended for 5 V applications. Supply limits must therefore be checked against the official datasheet before design release.
The 24-QFN-EP package, identified as HVQCCN and measuring 4 mm by 4 mm in verified distributor records, supports compact PCB layouts but requires careful thermal-pad assembly and solder inspection. The exposed pad is electrically and thermally significant and cannot be treated as an unused lead. Programming, reset, clocking, analog grounding, and decoupling require layout review against the manufacturer documentation.
Typical applications include low-cost industrial controllers, compact sensor nodes, timer-based modules, simple communications equipment, appliance controls, and automotive or 5 V embedded subsystems when the exact device qualification and electrical limits are confirmed. The 10-bit ADC supports basic analog measurement, while timers support periodic events and time-based control.
The primary design tradeoff is limited 4 KB Flash capacity. Firmware should be compact, interrupt handlers efficient, and memory use reviewed before adding protocols or features. Confirm current lifecycle and sourcing status with NXP because the official product page is marked End of Life. This page combines verified lifecycle, package, memory, and distributor information with selection guidance and explicit data gaps.
Mga alternatibo na pwedeng ilagay na MC9S08SH4CFK — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok MC9S08SH4CFK (parehas na form factor at footprint) — pagkakaiba sa Package, ADC, Product Type, Mounting Type, Supply Voltage Range.
MC9S08SH8MTG
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →MC9S08SH16CTG
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →MC9S08SH4CFK Mga Pinakamataas na Rating at Electrical Characteristics
| Product Type | 8-bit S08SH microcontroller |
| Processor Core | HCS08 CPU |
| Maksimum na Taktiko ng Oras | 40 MHz |
| Flash Memory | 4 KB (4K x 8) |
| Width ng Data Bus | 8 bit |
| RAM Memory | 256 B |
| Supply Voltage Range | 2.7 V to 5.5 V |
| ADC Resolution | 10 bit |
| ADC Channel Count | 12 channels |
| Interrupt and Reset Sources | Up to 32 sources |
| Integrated Peripherals | Timers and ADC |
| Operating Application Range | Low-end 5 V embedded applications |
| Packhaging | 24-QFN-EP, 4 mm x 4 mm |
| Package Code | HVQCCN |
| Terminal Count | 24 terminals |
| Uri ng Pagpapasok | No-lead surface mount |
| Temperature Grade | Industrial |
| Process Technology | 0.25 µm |
| Power Consumption | Low-power operation |
| Katayuan ng Lifecycle | End of Life |
Gabay sa Pin Configuration ng MC9S08SH4CFK hvqccn
Pin configuration para sa MC9S08SH4CFK (hvqccn package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa MC9S08SH4CFK.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
MC9S08SH4CFK ay nararapat para sa 6 aplikasyons: Cost-Sensitive Industrial Control, Compact Sensor Interface Node, Timer-Based Appliance Controller, Automotive Auxiliary Control Module, Simple Communications Interface, Measurement and Threshold Module.
Cost-Sensitive Industrial Control
The MC9S08SH4CFK fits compact low-cost controllers because it combines a 40 MHz HCS08 core, timers, and a 10-bit ADC in a 4 mm by 4 mm package. It can execute sequencing, debounce, timeout, and analog-threshold tasks in applications where 4 KB of Flash and 256 B of RAM are sufficient. The industrial grade reported by a distributor is relevant to industrial control planning, although the exact operating-temperature limits should be confirmed in the manufacturer datasheet. Because the device is End of Life, firmware should avoid unnecessary feature growth and production teams should secure traceable inventory.
Inirekomenda
Compact Sensor Interface Node
The 12-channel, 10-bit ADC makes the MC9S08SH4CFK relevant for small sensor-conditioning and monitoring nodes. Each analog channel can feed control logic when the required accuracy, sampling rate, and input range fit the verified ADC specifications. The 256 B of RAM and 4 KB Flash encourage a compact acquisition architecture with limited buffering and straightforward averaging or threshold decisions. Analog layout remains critical: separate noisy and quiet returns, minimize trace length, and confirm the package's exposed-pad connection before finalizing grounding and shielding.
Inirekomenda
Timer-Based Appliance Controller
For appliance and household equipment, the MC9S08SH4CFK can use its integrated timers for motor sequencing, delayed activation, debounce handling, and periodic maintenance routines. Its 40 MHz maximum clock supports responsive state-machine control without requiring a larger processor, while the 5 V-oriented family positioning matches many legacy control boards. Firmware size must remain controlled because only 4 KB of Flash is verified. Validate inductive-load suppression, relay-driver isolation, and supply transients at the board level rather than relying on MCU specifications alone.
Inirekomenda
Automotive Auxiliary Control Module
The MC9S08SH4CFK may fit legacy auxiliary automotive modules when the exact orderable variant has confirmed industrial or automotive qualification, the required temperature range is met, and traceable supply is available. Its timers and ADC support switches, sensors, and simple actuator supervision, while 4 KB of Flash limits protocol and diagnostic complexity. The verified sources do not establish AEC-Q100 qualification for this MPN, so automotive deployment must not rely on family-level assumptions. Production use also requires lifecycle review because NXP marks the device End of Life.
Inirekomenda
Simple Communications Interface
The MC9S08SH4CFK can serve a low-bandwidth communications endpoint when the selected protocol fits 4 KB of Flash and 256 B of RAM. Timers support baud-rate generation and receive timing, while GPIO can carry serial signals or a simple bus interface. The trade-off is strict firmware budgeting: buffering, framing, diagnostics, and security features can consume the available memory quickly. Choose a larger microcontroller if protocol growth or received-data buffering is expected. Also verify whether the target S08 family variant exposes the required serial peripheral on the same package pins.
Inirekomenda
Measurement and Threshold Module
The MC9S08SH4CFK's 12-channel 10-bit ADC is suitable for compact threshold, averaging, and alarm modules that monitor several analog inputs. A periodic timer can trigger measurements, while firmware can compare results against calibrated limits and update outputs or indicators. The 40 MHz class processor provides enough timing margin for simple digital filtering, but conversion timing and analog-reference requirements must be verified from the official datasheet. Keep sensitive analog routing away from switching nodes and ensure the exposed thermal pad is handled according to the manufacturer's package guidance.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for MC9S08SH4CFK — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | MC9S08SH8MTG | MC9S08SH16CTG |
|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 4 KB | 8 KB indicated by MPN, not independently verified | 16 KB indicated by MPN, not independently verified |
Pangunahing mga Pagkakaiba
- Memory footprint favors compact control firmware (kumpara saMC9S08SH8MTG)
- Higher-memory same-brand family option (kumpara saMC9S08SH16CTG)
- Verified package and sourcing documentation (kumpara saMC9S08JS16CFK)
Talaan ng Disenyo
Treat the exposed pad as a mandatory package feature, not spare copper. Confirm its electrical connection, thermal role, paste pattern, and stencil requirements from the manufacturer package drawing. Place the MCU close to its supporting crystals, reset circuitry, and decoupling. The verified 4 mm by 4 mm footprint leaves little routing margin, so perform pad, courtyard, and exposed-pad checks against the exact HVQCCN land pattern before fabrication.
Validate the 2.7 V to 5.5 V distributor-reported range against official absolute-maximum and operating-condition tables. Place the manufacturer's recommended bypass capacitors at the supply pins with short, low-inductance traces, and keep analog return current separate from switching-node return paths. Because the MCU is End of Life, also verify component markings, lot traceability, and solderability before building remaining inventory.
Do not assume a 40 MHz CPU rate, 4 KB Flash, or 2.7 V minimum supply from the family name alone; these limits can vary by revision and package. Likewise, do not substitute a same-family part based only on apparent similarity. Build a register, pin, memory, and peripheral map, then compare every used signal and timing constraint with the candidate's official datasheet. This is especially important when maintaining an End-of-Life design.
Impormasyon ng Pagsunod sa Kautusan
The verified product information reports industrial grade but does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status for this exact MPN. Exact automotive qualification must not be inferred from family membership.
