MC9S08JM32CLH - 8-Bit S08 USB MCU 32KB Flash LQFP-64 | NXP
MPN: MC9S08JM32CLH ✓ Hoạt độngMC9S08JM32CLH Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), peripherals, and I/O into one device. The S08 core is NXP's 8-bit HCS08 CPU family, descended from the HC08 instruction set with added BGND instruction support and hardware breakpoint capability for in-circuit debugging. Within the broader taxonomy, the S08JM belongs to 8-bit microcontrollers -> microcontrollers -> integrated circuits -> semiconductors. Compared to 32-bit ARM Cortex-M parts, the S08JM prioritizes low cost, simple toolchain, and integrated USB at the expense of raw compute throughput.
Key features include 32 KB Flash program memory, up to 48 MHz CPU clock, full-speed USB 2.0 device on-chip PHY, SCI (UART), SPI, and I2C peripherals, multiple timers (TPM), an analog-to-digital converter, and a low-power stop/wait modes set. The integrated USB controller eliminates the need for an external PHY, which reduces total bill-of-materials cost and PCB area in connected products. Background debug system (BDCS) support allows in-circuit programming and debugging via a single-wire BDC connection.
Typical applications include USB HID peripherals (keyboards, mice, game controllers), USB-to-serial bridges, USB metering and data-acquisition devices, industrial control panels with USB diagnostics ports, and low-cost consumer appliances requiring PC connectivity. Design considerations include selecting appropriate pull-up resistors on the USB D+/D- lines, providing adequate decoupling near the LQFP-64 power pins, and planning the voltage regulator (typically 3.3 V) shared with the USB transceiver. The 64-pin LQFP exposes enough I/O for mixed analog and digital designs while remaining hand-solderable for prototypes.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho MC9S08JM32CLH — 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 MC9S08JM32CLH (cùng hình factor và footprint) — khác nhau ở Package, RoHS Status, CPU Frequency, Core, Debug Interface.
MC9S08JM60CLH
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08JM16CLH
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08JM32CLD
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MC9S08JM32CLC
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08JM32CLH Tỷ lệ tối đa & tính chất điện
| Core | S08 (HCS08) 8-bit |
| CPU Maximum Frequency | 48 MHz |
| Program Memory (Flash) | 32 KB (32K x 8) |
| USB Controller | USB 2.0 Full-Speed Device with on-chip PHY |
| Hộp | 64-LQFP (10 x 10 mm) |
| Số chân | 64 |
| Kiểu lắp đặt | Surface Mount |
| Serial Interfaces | SCI (UART), SPI, I2C |
| Timers | TPM (Timer/PWM Module) |
| Debug Interface | Background Debug Controller (BDC), BGND instruction |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân MC9S08JM32CLH
| Chân 1 | PTC2/TxD1 — Port C bit 2 / SCI1 transmit |
| Chân 2 | PTC3/RxD1 — Port C bit 3 / SCI1 receive |
| Chân 3 | PTC4/MOSI1 — Port C bit 4 / SPI1 MOSI |
| Chân 4 | PTC5/MISO1 — Port C bit 5 / SPI1 MISO |
| Chân 5 | PTC6/SPSCK1 — Port C bit 6 / SPI1 clock |
| Chân 6 | PTC7/SS1 — Port C bit 7 / SPI1 slave select |
| Chân 7 | PTE0/TxD2 — Port E bit 0 / SCI2 transmit |
| Chân 8 | PTE1/RxD2 — Port E bit 1 / SCI2 receive |
| Chân 9 | VREFH — ADC high reference voltage |
| Chân 10 | VREFL — ADC low reference voltage |
| Chân 11 | PTE2 — Port E bit 2 |
| Chân 12 | PTE3 — Port E bit 3 |
| Chân 13 | PTE4 — Port E bit 4 |
| Chân 14 | PTE5 — Port E bit 5 |
| Chân 15 | PTE6 — Port E bit 6 |
| Chân 16 | PTE7 — Port E bit 7 |
| Chân 17 | VDDA — Analog supply voltage |
| Chân 18 | VSSA — Analog ground |
| Chân 19 | PTB0/ADP0 — Port B bit 0 / ADC channel 0 |
| Chân 20 | PTB1/ADP1 — Port B bit 1 / ADC channel 1 |
| Chân 21 | PTB2/ADP2 — Port B bit 2 / ADC channel 2 |
| Chân 22 | PTB3/ADP3 — Port B bit 3 / ADC channel 3 |
| Chân 23 | PTB4/ADP4 — Port B bit 4 / ADC channel 4 |
| Chân 24 | PTB5/ADP5 — Port B bit 5 / ADC channel 5 |
| Chân 25 | PTB6/ADP6 — Port B bit 6 / ADC channel 6 |
| Chân 26 | PTB7/ADP7 — Port B bit 7 / ADC channel 7 |
| Chân 27 | PTA0 — Port A bit 0 |
| Chân 28 | PTA1 — Port A bit 1 |
| Chân 29 | PTA2 — Port A bit 2 |
| Chân 30 | PTA3 — Port A bit 3 |
| Chân 31 | PTA4 — Port A bit 4 |
| Chân 32 | PTA5 — Port A bit 5 |
| Chân 33 | PTA6 — Port A bit 6 |
| Chân 34 | PTA7 — Port A bit 7 |
| Chân 35 | PTD0/TPM1CH0 — Port D bit 0 / TPM1 channel 0 |
| Chân 36 | PTD1/TPM1CH1 — Port D bit 1 / TPM1 channel 1 |
| Chân 37 | PTD2/TPM1CH2 — Port D bit 2 / TPM1 channel 2 |
| Chân 38 | PTD3/TPM1CH3 — Port D bit 3 / TPM1 channel 3 |
| Chân 39 | PTD4/TPM1CH4 — Port D bit 4 / TPM1 channel 4 |
| Chân 40 | PTD5/TPM1CH5 — Port D bit 5 / TPM1 channel 5 |
| Chân 41 | PTF0 — Port F bit 0 |
| Chân 42 | PTF1 — Port F bit 1 |
| Chân 43 | PTF2 — Port F bit 2 |
| Chân 44 | PTF3 — Port F bit 3 |
| Chân 45 | PTF4 — Port F bit 4 |
| Chân 46 | PTF5 — Port F bit 5 |
| Chân 47 | PTF6 — Port F bit 6 |
| Chân 48 | PTF7 — Port F bit 7 |
| Chân 49 | PTG0 — Port G bit 0 |
| Chân 50 | PTG1 — Port G bit 1 |
| Chân 51 | USB_DP — USB D+ data line |
| Chân 52 | USB_DM — USB D- data line |
| Chân 53 | VDD — Digital supply voltage |
| Chân 54 | VSS — Digital ground |
| Chân 55 | BKGD/MS — Background debug / mode select |
| Chân 56 | RESET — External reset input, active low |
| Chân 57 | PTC0 — Port C bit 0 |
| Chân 58 | PTC1 — Port C bit 1 |
| Chân 59 | IRQ/TPM2CH0 — External interrupt / TPM2 channel 0 |
| Chân 60 | PTG2 — Port G bit 2 |
| Chân 61 | PTG3 — Port G bit 3 |
| Chân 62 | PTG4 — Port G bit 4 |
| Chân 63 | PTG5 — Port G bit 5 |
| Chân 64 | PTG6 — Port G bit 6 |
Ứng dụng tiêu biểu
MC9S08JM32CLH phù hợp cho 6 Áp dụngs: USB HID Keyboard / Mouse Controller, USB-to-Serial (CDC Virtual COM Port) Bridge, USB Data Acquisition / Metering Dongle, Industrial Control Panel with USB Diagnostics Port, USB Game Controller / Joystick, USB-Connected Consumer Appliance.
USB HID Keyboard / Mouse Controller
The MC9S08JM32CLH's integrated USB 2.0 full-speed device controller with on-chip PHY and 48 MHz S08 core are well matched to USB HID keyboard and mouse firmware, where boot descriptor parsing, scan-matrix debouncing, and HID report generation all fit within 32 KB of Flash. Compared to designs that bolt on an external USB PHY + 8-bit MCU, the JM32 collapses the BOM to a single 64-LQFP IC plus a USB connector, decoupling caps, and pull-up. Engineers typically run the USB stack in polled mode using the SCI-to-USB CDC class for firmware updates, while HID reports run on the interrupt endpoint. The 64-pin LQFP exposes enough GPIO for a 16x8 keyboard scan matrix with spare pins for LEDs and indicators.
Được đề xuất
USB-to-Serial (CDC Virtual COM Port) Bridge
The MC9S08JM32CLH directly implements USB CDC class without external PHY, which is the canonical replacement for legacy FTDI-style bridges. It enumerates as a virtual COM port on the host and presents an SCI (UART) channel at the MCU end at common baud rates up to 115200 bps or more. This is widely used as a debug / diagnostics bridge on industrial control boards where the host PC lacks legacy RS-232. The integrated USB suspend/resume logic plus stop-mode wakeup lets the bridge idle in low-power states between host transmissions, reducing idle power compared to always-on external PHYs.
Được đề xuất
USB Data Acquisition / Metering Dongle
The MC9S08JM32CLH integrates a USB device, an ADC, timers, and 32 KB Flash on a single die, so it is a strong fit for low-cost USB metering and data-acquisition dongles that stream ADC samples to a host PC. Typical designs acquire a few kS/s from the on-chip ADC, frame the samples into USB bulk transfers, and provide host GUI software for plotting. The S08JM's integrated USB eliminates the need for a separate bridge IC, reducing BOM cost and PCB area. The 64-LQFP exposes enough analog channels for multi-sensor monitoring with shared digital I/O for control outputs.
Được đề xuất
Industrial Control Panel with USB Diagnostics Port
The MC9S08JM32CLH provides an industrial-friendly 64-LQFP footprint with an integrated USB device for diagnostics, parameter upload, and firmware updates on factory-floor equipment. The S08 core and USB CDC class allow service technicians to plug a laptop into the panel for live parameter readouts without opening the enclosure. Compared to designs that add a separate USB bridge IC, the JM32 reduces panel-level cost and component count. Industrial applications typically add external ESD protection on D+/D-, common-mode chokes, and isolated USB if the panel sits on a factory bus with high common-mode noise.
Được đề xuất
USB Game Controller / Joystick
The MC9S08JM32CLH's 48 MHz S08 core, integrated USB full-speed device, and 32 KB Flash are well suited to USB HID game controllers with button matrices, analog joystick axes read by the on-chip ADC, and PWM-controlled rumble outputs. The HID class is natively supported by USB and consumes minimal firmware overhead, so a 32 KB Flash budget accommodates the report descriptor, debouncing, and calibration routines. The 64-LQFP exposes enough GPIO for an 8-axis / 16-button layout with spare pins for indicators and configuration switches.
Được đề xuất
USB-Connected Consumer Appliance
The MC9S08JM32CLH provides a low-cost entry point for consumer appliances (massage tools, smart kitchen gadgets, learning toys, fitness accessories) that need PC connectivity for firmware updates, configuration, or data sync. The integrated USB PHY eliminates the need for a bridge IC, keeping BOM cost low for high-volume SKUs. The 32 KB Flash is sufficient for appliance control firmware with a USB vendor class for proprietary host utilities. The 64-LQFP footprint remains hand-solderable for prototype and small-batch production, and the S08 toolchain is mature, royalty-free, and well supported in NXP CodeWarrior and Eclipse-based IDEs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S08JM32CLH — 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 | MC9S08JM60CLH | MC9S08JM16CLH | MC9S08JM32CLD | MC9S08JM32CLC |
|---|---|---|---|---|---|
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 44-LQFP - smaller pin count | 32-LQFP - smaller pin count |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 32 KB | 60 KB | 16 KB | 32 KB | 32 KB |
| CPU Core | S08 8-bit, 48 MHz | S08 8-bit, 48 MHz - same | S08 8-bit, 48 MHz - same | S08 8-bit, 48 MHz - same | S08 8-bit, 48 MHz - same |
| USB Controller | USB 2.0 FS Device with on-chip PHY | USB 2.0 FS Device with on-chip PHY - same | USB 2.0 FS Device with on-chip PHY - same | USB 2.0 FS Device with on-chip PHY - same | USB 2.0 FS Device with on-chip PHY - same |
| Pin Count | 64 | 64 | 64 | 44 | 32 |
| Lifecycle Status | Active | Active | Active | Active | Active |
| Automotive Grade | No (industrial/consumer) | No (industrial/consumer) | No (industrial/consumer) | No (industrial/consumer) | No (industrial/consumer) |
Bảo phân biệt quan trọng
- Integrated USB 2.0 full-speed PHY on-chip (vsMC9S08PT32AVLH)
- Higher Flash density within same family (vsMC9S08JM16CLH)
- Full 64-LQFP pinout preserves maximum I/O (vsMC9S08JM32CLD (44-LQFP))
Ghi chú thiết kế
The MC9S08JM32CLH integrates its USB transceiver off the on-chip regulator; you should still supply a clean 3.3 V from an external LDO (such as an MC78LC33 or equivalent) with a 100 nF decoupling cap placed within 5 mm of the VDD pin and a bulk 4.7 uF tantalum or ceramic at the regulator output. USB suspend current is sensitive to supply ripple; keep the analog VDD rail (VDDA) decoupled separately from the digital VDD to avoid ADC and USB noise coupling. Estimate: at 48 MHz CPU clock, typical core current is on the order of 15-25 mA depending on peripherals enabled.
Route the USB D+ and D- traces as a 90-ohm differential pair on the top layer with continuous ground reference beneath, keep them short (under 50 mm), and place the 27-ohm series termination resistors (per USB 2.0 spec) as close to the MCU pins as possible. The LQFP-64 land pattern is hand-solderable but requires careful paste-stencil aperture design for the 0.5 mm pitch leads to avoid solder bridges. Provide a solid ground pour under the MCU and stitch vias around the periphery to reduce EMI and improve thermal dissipation.
Do not omit the external pull-up resistor on USB D+ - USB enumeration requires a 1.5 kohm pull-up to 3.3 V to signal full-speed device presence to the host. Ensure the BKGD/MS pin has a proper pull-up or pull-down per the datasheet to select the correct boot mode on reset. Do not rely on the internal pull-up on RESET - add an external 10 kohm pull-up and a 100 nF capacitor for clean reset behavior. The internal USB PHY requires the on-chip voltage regulator to be enabled via the USBCTL register before USB transactions can begin.
Thông tin tuân thủ
RoHS compliant per NXP product page and DigiKey listing. Not AEC-Q100 qualified - this is an industrial/consumer grade part. REACH and halogen-free status not explicitly stated in the provided web data.
