MC9S08JM32CQH - 48MHz 32KB Flash USB MCU | NXP | 64-QFP
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MC9S08JM32CQH Übersicht
An 8-bit microcontroller is a programmable integrated circuit that executes firmware from embedded nonvolatile memory and reads sensors or operates actuators through digital and analog peripherals. MC9S08JM32CQH belongs to the S08 family of HCS08-based microcontrollers. USB enables connection to a host computer or other USB controller, while CAN supports robust communication between embedded nodes. Together, these interfaces can standardize data exchange in industrial, consumer, and automotive-oriented control systems without requiring a separate protocol transceiver on the digital side of the design.
The verified data identifies an S08 core, 48 MHz CPU frequency, 32 KB Flash organized as 32K x 8, and a 64-QFP package measuring 14 x 14 mm. It also identifies on-chip USB 2.0 full-speed device support and CAN connectivity. Other details such as SRAM capacity, analog peripherals, operating voltage, temperature limits, timers, and electrical timing were not supplied in the verified extract and therefore must be confirmed in the NXP datasheet before design release.
At 48 MHz, the CPU provides substantially more instruction throughput than many basic 8-bit controllers while retaining the relatively simple programming and peripheral model associated with the S08 architecture. USB and CAN integration can reduce external component count in a connected embedded product. The trade-off is that firmware must account for USB enumeration, CAN timing, and protocol state while remaining within the device's documented memory and peripheral limits.
Typical uses include USB-connected industrial controls, automotive accessory controllers, CAN-connected nodes, USB-to-CAN interface equipment, human-interface panels, and compact embedded data-acquisition modules. The device is most appropriate when an existing S08-based design needs both USB device connectivity and CAN support rather than a high-end processor or a separate communications bridge.
Before schematic capture, verify the 64-pin assignment, power rails, decoupling requirements, oscillator options, reset configuration, USB transceiver support, CAN physical-layer requirements, programming interface, and package tolerances directly against the NXP datasheet. PCB layout should reserve USB differential routing and controlled impedance support, while CAN requires an external physical-layer transceiver unless the selected board architecture provides one elsewhere.
This product synthesis separates verified identity and headline specifications from unverified electrical details. It combines distributor availability references, lifecycle information, interface suitability, and practical design cautions so procurement and engineering teams can evaluate the MC9S08JM32CQH without treating missing datasheet parameters as established facts.
Drop-in-Alternativen für MC9S08JM32CQH – 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 MC9S08JM32CQH (gleiche Bauform und Footprint) – abweichend in Mounting Type, Lifecycle Status, Package, Pin Count.
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Alternativen anfordernMC9S08JM32CQH Grenzwerte & elektrische Eigenschaften
| CPU Type | 8-bit S08 core |
| CPU Architecture | HCS08 |
| Maximum CPU Frequency | 48 MHz |
| Flash Memory | 32 KB (32K x 8) |
| USB Version | USB 2.0 full-speed device |
| CAN Connectivity | Supported |
| Package Type | 64-QFP |
| Package Dimensions | 14 mm x 14 mm |
| Pin-Anzahl | 64 pins |
| Montageart | Surface mount |
| Product Category | 8-bit microcontroller |
| Architecture Positioning | Entry-level USB and CAN controller |
| RoHS-Status | Compliant |
| Lebenszyklusstatus | Active according to verified product listing |
MC9S08JM32CQH 14 mm x 14 mm Pinbelegungsleitfaden
Pinbelegung für MC9S08JM32CQH (14 mm x 14 mm-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für MC9S08JM32CQH.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
MC9S08JM32CQH ist geeignet für 6 Anwendungs: USB-Connected Industrial Control Module, CAN-Connected Embedded Controller, USB-to-CAN Communications Bridge, Automotive Accessory Controller, Human-Interface Panel and Configuration Tool, Compact Embedded Data-Acquisition Module.
USB-Connected Industrial Control Module
The MC9S08JM32CQH fits a compact USB-connected controller because it combines a 48 MHz 8-bit S08 core with 32 KB of Flash and USB 2.0 full-speed device support. Firmware can manage digital I/O, local status indicators, configuration parameters, and operator commands while the MCU appears as a USB device to a host. The verified 64-QFP 14 x 14 mm package leaves board area for connectors and support circuitry. Before layout, verify USB pin assignments, impedance requirements, power rails, clocking, and the exact transceiver arrangement in the NXP datasheet.
Empfohlen
CAN-Connected Embedded Controller
The MC9S08JM32CQH is suitable for a CAN-connected embedded node when the design needs both a communications interface and an 8-bit control processor. Its verified 48 MHz S08 CPU provides the stated operating speed, while 32 KB Flash stores application firmware and CAN communication logic. The MCU can poll inputs, execute control state machines, and report status over the bus. Confirm CAN timing, pin multiplexing, transceiver requirements, termination strategy, bus protection, and operating-grade limits from the complete manufacturer documentation before releasing the PCB.
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USB-to-CAN Communications Bridge
MC9S08JM32CQH can serve as the controller core in a communications bridge between a USB host and a CAN network because both interfaces are identified in the verified product information. Its 48 MHz 8-bit S08 CPU and 32 KB Flash allow the device to handle USB data, CAN frames, buffering, status reporting, and configuration logic in one package. The tradeoff is firmware and real-time scheduling responsibility: USB enumeration, CAN timing, error recovery, and bus arbitration must all be coordinated. Use the NXP reference design and electrical guidelines for transceiver and signal-integrity implementation.
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Automotive Accessory Controller
The MC9S08JM32CQH is positioned by NXP for automotive applications and provides CAN connectivity plus USB device support, allowing it to manage an accessory or service interface. A 48 MHz S08 core can execute deterministic input filtering, actuator commands, diagnostics, and communication tasks, while 32 KB Flash provides the stated firmware capacity. This use requires exact verification of the CQH temperature grade, automotive qualification status, supply voltage, transceiver requirements, and EMC design guidance because those details were not included in the supplied extract.
Empfohlen
Human-Interface Panel and Configuration Tool
The MC9S08JM32CQH can implement a USB-connected human-interface or configuration tool because its 8-bit S08 processor handles firmware-driven key scanning, display updates, indicator control, and host communication. The verified 48 MHz speed and 32 KB Flash provide a defined baseline for protocol and user-interface logic, while CAN connectivity is useful when the panel also configures an embedded network node. The 64-QFP footprint provides 64 physical pins for power, communications, control, and expansion. Confirm display timing, expansion I/O, USB implementation, and package pin assignments from the manufacturer datasheet.
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Compact Embedded Data-Acquisition Module
MC9S08JM32CQH fits a compact acquisition module that samples local sensors, performs control calculations, timestamps events, and forwards results through USB or CAN. Its 48 MHz S08 core offers more processing headroom than slow basic 8-bit controllers, and the verified 32 KB Flash stores acquisition and communication firmware. The communications options make the module useful for bench instrumentation or industrial nodes. However, the supplied data does not identify ADC resolution, sampling rate, SRAM, timer channels, or analog pin assignments, so those capabilities must be confirmed before claiming suitability for a specific acquisition channel.
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Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für MC9S08JM32CQH – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Wichtigste Unterscheidungsmerkmale
- Combines three verified headline capabilities in one microcontroller (vs. MC9S08JM60CQH)
- Uses the verified 64-QFP 14 x 14 mm package (vs. MC9S08AC32CFUE)
- Targets connected embedded control rather than general-purpose processing (vs. MC9S12H256VFVE)
Designhinweise
Treat USB routing as a controlled-impedance interface rather than a general-purpose digital bus. Use the exact USB pins, voltage levels, trace geometry, reference plane, and length guidance in the NXP datasheet or reference design; keep switching nodes and high-current paths away from the differential pair. The supplied data confirms USB 2.0 full-speed device support but does not expose the pin map or PCB stack-up requirements.
Confirm the CQH device's complete operating-voltage range, I/O thresholds, USB transceiver requirements, and CAN I/O levels before selecting regulators, level shifters, and protection components. USB and CAN paths may require different interface conditioning even when both are controlled by one MCU. Do not derive power values from the 48 MHz clock figure; use the manufacturer limits and calculate worst-case supply demand for the selected peripherals.
Do not treat a same-family MPN as a drop-in replacement without comparing the complete 64-pin assignment, memory map, peripheral multiplexing, clock limits, and firmware startup code. MC9S08JM60CQH appears in comparison results but has a different memory designation, and no supplied source proves pin compatibility. Validate any substitute through schematic review, timing tests, USB enumeration, CAN traffic, reset behavior, and production firmware regression testing.
Compliance-Informationen
RoHS compliance is reported by the supplied MC9S08JM32CQH specification extract. Other environmental, automotive-qualification, halogen-free, and conflict-minerals statuses were not supplied and are not assumed.
