MC9S08SH32MWL - 8-Bit 40MHz S08 MCU 32KB Flash | NXP
Teilenummer: MC9S08SH32MWL ✗ Abgekündigt| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $7.5 | $7,50 |
| 10 | $6.75 | $67,50 |
| 100 | $5.9 | $590,00 |
| 500 | $5.2 | $2.600,00 |
| 1.000 | $4.65 | $4.650,00 |
MC9S08SH32MWL Übersicht
An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data path, integrating a CPU, program memory, data memory, and peripherals into one package. MCUs belong to the broader category of microcontrollers -> embedded processors -> integrated circuits -> semiconductors, and sit below more complex 32-bit microprocessors in cost and power. The S08SH family is positioned as a new low-end option for 5V applications, bridging NXP's older HC08 legacy with the more capable S08 family.
Key features include 32KB of Flash program memory, 1KB of RAM, up to 27 general-purpose I/O lines, and a peripheral set comprising an SCI (Serial Communication Interface), SPI, and I2C for wired connectivity. The device integrates a 16-channel, 10-bit ADC, supports up to 32 interrupt/reset sources, and includes a single-wire background debug interface (BDM) plus an on-chip in-circuit emulation (ICE) module for development.
The S08 core employs the HC08 instruction set with an added BGND instruction, providing backward compatibility with legacy Freescale/NXP HC08 code while enabling modern HCS08 features such as the on-chip debug module with two comparators and nine trigger modes. An eight-deep FIFO stores change-of-flow addresses and event-only data during debugging, enabling trace without external hardware.
Typical applications include industrial control nodes, low-end point-of-sale terminals, simple motor control, sensor interfaces, white goods, and battery-powered consumer devices where 5V tolerance and HC08 code reuse are valued. The 5V-wide operating range and integrated analog simplify designs in noisy industrial environments.
Designers should note that the MC9S08SH32MWL has been declared End-of-Life per the NXP product page; long-term designs should evaluate the recommended replacement family. The 28-pin SOIC package is footprint-compatible across the S08SH series, allowing easy migration between the 8KB, 16KB, and 32KB Flash density variants.
Drop-in-Alternativen für MC9S08SH32MWL – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit MC9S08SH32MWL (gleiche Bauform und Footprint) – abweichend in ADC, Communication Interfaces, Core, Debug Interface, Interrupt Sources.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
MC9S08SH16CWL
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MC9S08SH32CWL
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
MC9S08SH32MWL
✅ Drop-In✓ Auf Lager
$4.65 / Stück
Datenblatt ansehen →MC9RS08KB8CWJ574
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$0.74 / Stück
Datenblatt ansehen →MC9S08SH4CTJ
✅ Drop-In✓ Auf Lager
$1.85 / Stück
Datenblatt ansehen →MC9S08SH32MWL Grenzwerte & elektrische Eigenschaften
| Core | HCS08 (S08) |
| Datenbusbreite | 8 bit |
| Processor Series | S08SH |
| Maximale Taktfrequenz | 40 MHz |
| Program Memory Size | 32 KB (32K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 1 KB |
| Betriebsversorgungsspannung | 2.7 V to 5.5 V (5 V typical) |
| Number of I/O Pins | 27 (max) |
| ADC | 16-channel, 10-bit resolution |
| Communication Interfaces | SCI (UART), SPI, I2C |
| Interrupt Sources | Up to 32 interrupt/reset sources |
| Debug Interface | Single-wire BDM + on-chip ICE |
| Gehäuse | 28-pin SOIC |
| Montageart | Surface Mount |
| RoHS-Status | Compliant |
| Betriebstemperatur | -40C to +125C |
MC9S08SH32MWL Pin-Konfiguration
| Pin 1 | PTA0/TCLK1 — Port A bit 0 / Timer channel 1 clock input |
| Pin 2 | PTA1/TCLK2 — Port A bit 1 / Timer channel 2 clock input |
| Pin 3 | PTA2 — Port A bit 2 (general I/O) |
| Pin 4 | PTA3 — Port A bit 3 (general I/O) |
| Pin 5 | PTA4 — Port A bit 4 (general I/O) |
| Pin 6 | PTA5 — Port A bit 5 (general I/O / IRQ) |
| Pin 7 | VDD — Positive supply voltage (2.7 V to 5.5 V) |
| Pin 8 | VSS — Ground reference |
| Pin 9 | PTB0 — Port B bit 0 (general I/O / ADC input) |
| Pin 10 | PTB1/ADC — Port B bit 1 / ADC input |
| Pin 11 | PTB2/ADC — Port B bit 2 / ADC input |
| Pin 12 | PTB3/ADC — Port B bit 3 / ADC input |
| Pin 13 | PTB4/ADC — Port B bit 4 / ADC input |
| Pin 14 | PTB5/ADC — Port B bit 5 / ADC input |
| Pin 15 | PTB6/ADC — Port B bit 6 / ADC input |
| Pin 16 | PTB7/ADC — Port B bit 7 / ADC input |
| Pin 17 | PTC0/SDA — Port C bit 0 / I2C SDA |
| Pin 18 | PTC1/SCL — Port C bit 1 / I2C SCL |
| Pin 19 | PTC2/MOSI — Port C bit 2 / SPI MOSI |
| Pin 20 | PTC3/MISO — Port C bit 3 / SPI MISO |
| Pin 21 | PTC4/SPSCK — Port C bit 4 / SPI clock |
| Pin 22 | PTC5/TxD — Port C bit 5 / SCI TxD |
| Pin 23 | PTC6/RxD — Port C bit 6 / SCI RxD |
| Pin 24 | PTC7 — Port C bit 7 (general I/O) |
| Pin 25 | BKGD/MS — Background Debug Mode / Mode Select |
| Pin 26 | RESET — Active-low external reset input |
| Pin 27 | PTA6 — Port A bit 6 (general I/O) |
| Pin 28 | PTA7 — Port A bit 7 (general I/O) |
Typische Anwendungen
MC9S08SH32MWL ist geeignet für 6 Anwendungs: Industrial Control Nodes, White Goods and Home Appliances, Battery-Powered Sensor Modules, Automotive Body Electronics, Point-of-Sale Terminal Accessories, Low-End Motor Control.
Industrial Control Nodes
Industrial control nodes leverage the MC9S08SH32MWL's 5V-wide supply tolerance, 32 KB Flash, and integrated 10-bit ADC for sensor acquisition and actuator driving on factory floors. The HCS08 core's 40 MHz bus and SCI/SPI/I2C peripherals handle Modbus-like serial protocols and inter-MCU networking. Single-wire BDM enables low-cost field firmware updates. The 28-SOIC footprint simplifies through-hole-to-SMD migration of legacy HC08 hardware with minimal PCB rework.
Empfohlen
White Goods and Home Appliances
White goods (washing machines, dishwashers, ovens, refrigerators) use the MC9S08SH32MWL for control-panel logic, motor driver interfacing, and user-input handling. The 16-channel ADC reads temperature, humidity, and current-sensor inputs while the 27 GPIOs drive LED/LCD indicators and keypads. The 5V-tolerant I/Os connect directly to legacy triac-based driver stages, and the 1 KB RAM is sufficient for state-machine control loops.
Empfohlen
Battery-Powered Sensor Modules
Battery-powered sensor modules capitalize on the MC9S08SH32MWL's HCS08 efficiency and 5V-tolerant analog front-end for low-power IoT endpoints. The 40 MHz core executes sensor-fusion or filtering algorithms within the 1 KB RAM while the 16-channel ADC samples environmental data. I2C/SPI simplifies digital-sensor expansion, and the ICE debug module supports firmware iteration under tight energy budgets.
Empfohlen
Automotive Body Electronics
While not AEC-Q100-qualified, the MC9S08SH32MWL has historically served in non-safety automotive body applications such as lighting controllers, HVAC blend-door actuators, and accessory modules. The 40 MHz core handles LIN-style serial communication and PWM-driven motor control. The 28-SOIC thermal envelope supports -40C to +125C operation per the NXP datasheet. For new designs, NXP recommends migrating to AEC-Q100-qualified S08 successors.
Empfohlen
Point-of-Sale Terminal Accessories
Point-of-sale accessories (barcode scanners, mag-stripe readers, customer displays) rely on the MC9S08SH32MWL for protocol bridging between serial peripherals and host systems. The integrated SCI handles RS-232-style communication, SPI drives displays, and I2C manages keypad scanners. The 32 KB Flash accommodates protocol stacks plus firmware customization without external memory, and the 5V tolerance connects directly to commercial POS interfaces.
Empfohlen
Low-End Motor Control
Low-end motor control designs (small DC, stepper, brushless drivers below 100W) use the MC9S08SH32MWL for commutation, current sensing, and fault detection. The 16-channel ADC samples phase currents and back-EMF, while dedicated timers generate PWM waveforms. The 5V I/Os connect to optocoupler-isolated gate drivers and the SCI enables external tuning. The 28-SOIC dissipates adequately for enclosed motor housings with modest copper area.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MC9S08SH32MWL – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | MC9S08SH16CWL | MC9S08SH32CWL | MC9S08SH4CTJ |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 20-SOIC - smaller |
| Core | HCS08 (S08) | HCS08 (S08) | HCS08 (S08) | HCS08 (S08) |
| Clock Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Flash Memory | 32 KB | 16 KB | 32 KB | 4 KB |
| RAM | 1 KB | 1 KB | 1 KB | 0.5 KB |
| ADC | 16-channel, 10-bit | 16-channel, 10-bit | 16-channel, 10-bit | 12-channel, 10-bit |
| Operating Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
Wichtigste Unterscheidungsmerkmale
- 32 KB Flash in a 28-SOIC package (vs. MC9S08SH16CWL)
- Full 5V supply tolerance across the operating range (vs. MC9S08SH4CTJ)
- Backwards-compatible HC08 instruction set (vs. S9S08AW32E5MPUE)
Designhinweise
The MC9S08SH32MWL operates from a 2.7 V to 5.5 V supply; bypass VDD (pin 7) with a 100 nF decoupling capacitor placed within 5 mm of the pin, plus a bulk 1-10 uF capacitor on the PCB supply rail. The 5 V tolerance allows direct interface with legacy 5V logic but check absolute-maximum ratings in the datasheet for I/O pin voltages above VDD + 0.3 V to avoid latch-up.
Route the BKGD/MS pin (pin 25) away from high-speed switching traces to avoid noise-induced debug-mode entry. Place a 4.7 kOhm pull-up on RESET (pin 26) per NXP application guidance. Keep the ADC inputs (PTB0-PTB7, pins 9-16) away from digital switching lines and consider a ground guard ring if noise immunity is required.
Because the MC9S08SH32MWL is End-of-Life, verify the latest NXP product page for the recommended replacement family before committing to new designs. Migrating to a pin-compatible SH32CWL sibling is the lowest-risk path within the existing 28-SOIC footprint. Note that the MPN suffix 'MWL' denotes 28-SOIC with specific lead-finish options; verify reel/tube packaging codes when sourcing from distributors.
Compliance-Informationen
RoHS-compliant per NXP product page. Not AEC-Q100 qualified; the S08SH family targets industrial/commercial use. Lead-free terminations confirmed via the MWL package suffix. Halogen-free status not explicitly stated in provided data.
