MC9S08SE4VWL - 8-Bit S08 MCU, 4KB Flash, LINbus | NXP
MPN: MC9S08SE4VWL ✗ Cuối đờiMC9S08SE4VWL Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash or ROM), data memory (RAM), and a configurable set of peripherals (timers, ADCs, communication blocks, GPIOs). The 8-bit class targets cost-sensitive, deterministic embedded control where bit-manipulation and low-power sleep modes are valued more than raw compute throughput. Within the Freescale/NXP taxonomy the S08 (HCS08) sits below the Cortex-M0+ Coldfire+ parts as an entry-level node, and the S08SE sub-family in particular targets LIN-slave automotive body and appliance control.
Key features of the MC9S08SE4VWL include a 20 MHz bus clock (typical instruction cycle ~50 ns at the maximum rated frequency), background-debug-mode (BDM) support for in-system programming, an internal clock source option, edge-triggered interrupts with a programmable priority scheme, and on-chip regulators supporting a single 3.3 V or 5 V supply. The 256-byte RAM and 4 KB Flash memory bound the device to small, deterministic control loops typical of seat modules, mirror adjusters, lighting clusters, and household appliances. The 28-SOIC wide-body footprint allows hand-solderable rework on legacy through-hole-style assemblies.
Typical applications include automotive body-electronics LIN slave nodes (window lift, wiper controller, HVAC damper), major-appliance user-interface panels, simple sensor-conditioning front-ends, and industrial low-cost sensor read-out interfaces. The S08 instruction-set compatibility preserves software investment when migrating between S08 family members.
When designing with this device, add a 100 nF decoupling capacitor within 2 mm of each supply pin, leave the LIN physical-layer transceiver external, and verify the BDM connector matches the standard 6-pin NXP BDM header or its 2-pin reduced-pinout variant. Programs migrating from S08QD/S08QG parts should recheck the integrated ADC channel-count, since the S08SE family has fewer analog channels than the QE/QG lines.
This page synthesizes distributor stock positions, drop-in alternatives within the S08 family, and selection criteria not found in the manufacturer datasheet front-matter.
Bộ thay thế dễ dàng lắp đặt cho MC9S08SE4VWL — 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 MC9S08SE4VWL (cùng hình factor và footprint) — khác nhau ở Package, Core, Operating Temperature.
MC9S08SE8VWL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08SE8VWLR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08SE4MWL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08SE4CWL
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MC9S08SE4VWL Tỷ lệ tối đa & tính chất điện
| Core Processor | HCS08 S08 |
| Core Size | 8-Bit |
| Maximum CPU Clock | 20 MHz |
| Program Memory Size | 4 KB (4K x 8) Flash |
| RAM Size | 256 bytes |
| EEPROM Size | None |
| Number of I/O Pins | 24 |
| Connectivity | LINbus, SCI |
| Peripherals | LVD, POR, PWM |
| Hộp | 28-SOIC (0.295 inch / 7.50 mm width) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40C to +105C (industrial) |
| Supply Voltage (Vcc/Vdd) | 2.7 V to 5.5 V |
| Instruction Set | HCS08 (S08 family) |
| Programming/Debug | Background Debug Mode (BDM) |
| Part Status | Obsolete (per third-party listing) |
Cấu hình chân MC9S08SE4VWL
| Chân 1 | PTE4/TxD1 — GPIO / SCI1 transmit |
| Chân 2 | PTE5/RxD1 — GPIO / SCI1 receive |
| Chân 3 | PTE6 — GPIO with keyboard-interrupt capability |
| Chân 4 | PTE7 — GPIO with keyboard-interrupt capability |
| Chân 5 | VDD — Supply voltage (2.7 V to 5.5 V) |
| Chân 6 | VSS — Ground reference |
| Chân 7 | PTG0 — GPIO / PWM channel |
| Chân 8 | PTG1 — GPIO / PWM channel |
| Chân 9 | PTG2 — GPIO / PWM channel |
| Chân 10 | PTG3 — GPIO / PWM channel |
| Chân 11 | PTC0 — GPIO / analog input channel |
| Chân 12 | PTC1 — GPIO / analog input channel |
| Chân 13 | PTC2 — GPIO / analog input channel |
| Chân 14 | PTC3 — GPIO / analog input channel |
| Chân 15 | VSS — Ground reference |
| Chân 16 | VDD — Supply voltage (2.7 V to 5.5 V) |
| Chân 17 | PTB0 — GPIO with keyboard-interrupt capability |
| Chân 18 | PTB1 — GPIO with keyboard-interrupt capability |
| Chân 19 | PTB2 — GPIO with keyboard-interrupt capability |
| Chân 20 | PTB3 — GPIO with keyboard-interrupt capability |
| Chân 21 | PTA0 — GPIO / TPM1 channel |
| Chân 22 | PTA1 — GPIO / TPM1 channel |
| Chân 23 | PTA2 — GPIO / TPM1 channel |
| Chân 24 | PTA3 — GPIO / TPM1 channel |
| Chân 25 | BKGD/MS — Background Debug Mode / Mode Select |
| Chân 26 | RESET — External reset input, active low |
| Chân 27 | PTF0 — GPIO / TPM2 channel |
| Chân 28 | PTF1 — GPIO / TPM2 channel |
Ứng dụng tiêu biểu
MC9S08SE4VWL phù hợp cho 6 Áp dụngs: Automotive Body-Electronics LIN Slave Node, Major-Appliance User-Interface Panel, HVAC Damper / Fan-Speed Controller, Industrial Sensor Read-Out Front-End, Lighting Cluster / LED Driver Controller, Battery-Operated Wireless Sensor Tag (Sub-GHz Baseband).
Automotive Body-Electronics LIN Slave Node
The MC9S08SE4VWL's integrated LINbus controller and 20 MHz S08 CPU make it a natural fit for low-cost automotive body-electronics LIN slave nodes such as window lifters, mirror adjusters, and seat controllers. The 24 GPIO let designers route PWM channels to motor drivers, capture hall-sensor interrupts, and drive diagnostic LEDs without external glue logic, while the 4 KB Flash typically holds 2-3 KB of compiled LIN state-machine code with headroom for bootloader stubs. A typical deployment uses one 100 nF decoupling cap per VDD/VSS pin pair, an external TJA1027 LIN transceiver for the bus physical layer, and the S08 BDM port for in-circuit firmware updates during end-of-line programming.
Được đề xuất
Major-Appliance User-Interface Panel
Washing machines, dishwashers, and induction cooktops often use 8-bit MCUs to scan key matrices, drive LED or 7-segment indicators, and time relay or triac firings. The MC9S08SE4VWL's 24 GPIO, hardware PWM, and 2.7-5.5 V supply range cover these tasks while the 28-SOIC wide-body simplifies through-hole-like hand rework on consumer appliance PCBs. With 4 KB Flash and 256-byte RAM the application comfortably fits a state-machine scanner plus indicator-ramp tables; the S08's low-power wait modes also help the design meet ENERGY STAR standby budgets. Implement brown-out detection through the on-chip LVD/POR block and add an RC-reset network for factory-floor transient immunity.
Được đề xuất
HVAC Damper / Fan-Speed Controller
Residential and light-commercial HVAC controllers frequently drive triac-dimmable fans and motorized dampers from an MCU with PWM timers and a UART link to a higher-level controller. The MC9S08SE4VWL combines SCI for the supervisory link, PWM for triac phase control, and 24 GPIOs to read temperature selector switches and indicator LEDs. Designers typically allocate ~1 KB of Flash for the PID-style fan-control loop and ~0.5 KB for the SCI command parser, well within the 4 KB budget. The S08 interrupt controller supports edge-triggered zero-crossing detection when the mains frequency is brought to a GPIO via a small optocoupler.
Được đề xuất
Industrial Sensor Read-Out Front-End
Distributed industrial sensor nodes (level, flow, proximity) often need basic local intelligence, a serial link to a controller, and tight cost constraints. The MC9S08SE4VWL delivers a 20 MHz CPU for periodic measurement averaging, an SCI port for RS-485 or simple UART buses, and 256-byte RAM for short calibration lookup tables. The 4 KB Flash holds the scheduler and Modbus-style interpreter in many deployments. Conformal coating and the -40C to +105C industrial temperature range let the same board serve both cabinet interior and field-mount enclosures.
Được đề xuất
Lighting Cluster / LED Driver Controller
Low-cost interior lighting and decorative LED clusters use an MCU to modulate brightness via PWM, run chase patterns, and accept touch or push-button inputs. The MC9S08SE4VWL has enough PWM channels and GPIO to drive 4-8 LED strings while remaining under USD 3 in volume. The S08 PWM block supports edge-aligned or centre-aligned modes for clean, flicker-free dimming, and 256-byte RAM keeps chase-pattern lookup tables in place. Add a small current-sense amplifier and MOSFET per string for constant-current regulation.
Được đề xuất
Battery-Operated Wireless Sensor Tag (Sub-GHz Baseband)
Very low-cost wireless sensor tags can pair the MC9S08SE4VWL with a sub-GHz transceiver (SPI-controlled). The S08 core wakes periodically to read a sensor, transmit a packet, and return to a deep-stop mode where the S08's low-power design draws microamp-level quiescent current. The 4 KB Flash fits simple proprietary stack layers, MAC loops, and sensor-formula code, and the 28-SOIC wide-body simplifies hand-rework on prototype boards. Add an external SPI EEPROM if your application needs wear-levelled non-volatile parameter storage beyond the S08SE internal Flash.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S08SE4VWL — 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 | MC9S08SE8VWL | MC9S08SE8VWLR | MC9S08SE4MWL |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 28-SOIC (0.295 in, 7.50 mm) | 28-SOIC (0.295 in, 7.50 mm) - same | 28-SOIC (0.295 in, 7.50 mm) - same | 28-SOIC (0.295 in, 7.50 mm) - same |
| Core Processor | HCS08 S08 (8-bit) | HCS08 S08 (8-bit) - same | HCS08 S08 (8-bit) - same | HCS08 S08 (8-bit) - same |
| Maximum CPU Clock | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Program Memory (Flash) | 4 KB | 8 KB | 8 KB | 4 KB |
| RAM Size | 256 B | 256 B (typical SE series value) | 256 B (typical SE series value) | 256 B |
| Connectivity | LINbus, SCI | LINbus, SCI | LINbus, SCI | LINbus, SCI |
| Number of I/O Pins | 24 | 24 | 24 | 24 |
| Operating Temperature | -40C to +105C (VWL = industrial) | -40C to +105C (industrial) | -40C to +105C (industrial) | MWL temperature grade (different temp range) |
Bảo phân biệt quan trọng
- Higher Flash budget within the same 28-SOIC wide-body footprint (vsMC9S08SE8VWL)
- Industry-standard S08 tool chain and LINbus hardware peripheral (vsGeneric PIC16/ATtiny 28-pin MCU)
- Industrial -40C to +105C temperature grade (vsMC9S08SE4CWL commercial-grade sibling)
Ghi chú thiết kế
Place a 100 nF X7R ceramic decoupling capacitor within 2 mm of every VDD/VSS pin pair on the MC9S08SE4VWL, with a bulk 4.7 uF or 10 uF tantalum/ceramic near the supply pin responsible for switching transients. The internal LVD/POR block simplifies brown-out handling but does not replace bulk capacitance: rapid load steps from driven relays/LEDs can cause a momentary UV drop that resets the device if the bulk cap is too small. Estimated: assuming 50 mA peak step load at 5 V, a 4.7 uF bulk cap falls only 53 mV in 5 us, well within the LVD hysteresis window.
The 28-SOIC wide-body footprint simplifies hand rework but its 1.27 mm pin pitch still demands a properly dimensioned land pattern. Use the JEDEC SO-28W recommendation with the SOIC castellated leads; do not shrink the pad width, otherwise tombstoning appears during reflow. Keep a continuous ground pour under the device and stitch it to VSS on every adjacent layer to provide a low-impedance return for the LIN/SCI drivers and PWM edges.
Do not program the S08SE flash from a noisy 5 V rail without first ensuring the internal voltage regulator has settled; failures to program often trace to the VDD falling below the LVD threshold mid-write. Also, the S08 BDM pin doubles as Mode-Select after reset - leaving it floating can wedge the part in active-background mode. Tie BKGD/MS high through a 4.7 kohm resistor to VDD and add a 10 kohm pull-down reset for safe production reset.
The LINbus pin swings are slew-controlled, but the SCI/UART lines do not have on-board termination. Add a 10 kohm pull-up to VDD on the TxD line if the design cables the SCI to a header, and series-terminate the RxD line near the MCU when the cable approaches 50 mm or more. The PWM outputs should drive their loads through a 100 ohm series resistor when the trace length exceeds 25 mm to limit edge-induced ringing.
Thông tin tuân thủ
RoHS, REACH, lead-free, and halogen-free status not explicitly provided in the verified data; AEC-Q100 is not applicable because the VWL variant targets industrial not automotive qualified production. Confirm via the manufacturer datasheet prior to new design-in.
