MC9S08JM60CGT - 8-bit 48MHz S08JM MCU, 60KB Flash, USB | NXP
MPN: MC9S08JM60CGT ⚠ Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.18 | $6.18 |
| 10 | $5.55 | $55.50 |
| 100 | $4.93 | $493.00 |
| 500 | $4.42 | $2,210.00 |
| 1,000 | $3.94 | $3,940.00 |
MC9S08JM60CGT Overview
A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and peripherals. The S08 core is an 8-bit CPU that executes the HC08 instruction set extended with the BGND instruction for background debugging. The S08JM family extends NXP's entry-level USB portfolio by combining the HCS08 CPU with an on-chip USB 2.0 full-speed device controller, making it a fast and economical way to add standardized serial communications to peripheral devices. In the broader taxonomy, the MC9S08JM60CGT sits within 8-bit microcontrollers -> microcontrollers -> integrated circuits -> semiconductors.
Key features include an integrated USB 2.0 full-speed device controller with on-chip transceiver, 60 KB Flash program memory, up to 60 MHz bus capability from an internal 48 MHz clock source, multiple timers (TPM), ADC, SCI/SPI/I2C communication peripherals, and a background debugging system with on-chip in-circuit emulator (ICE) module. The ICE module contains two comparators and nine trigger modes, plus an eight-deep FIFO for change-of-flow trace, supporting single breakpoint setting during in-circuit debugging and two additional breakpoints from the debug module. A low-voltage detect (LVD) and watchdog timer provide system-level safety.
The HCS08 core uses a von Neumann architecture with a 16-bit stack pointer and index register, providing improved code density over the legacy HC08. The 48-pin QFN-EP package supports up to 38 general-purpose I/O pins and integrates an exposed thermal pad that must be soldered to the PCB ground plane for electrical and thermal performance. The internal clock source eliminates the need for an external crystal in many USB applications, though an external 48 MHz crystal may be used for clock-critical USB compliance.
Typical applications include USB HID peripherals such as keyboards, mice, and game controllers, USB-to-UART bridge cables, industrial USB sensor interfaces, point-of-sale (POS) terminals, consumer USB dongles, and embedded learning/development platforms. The integrated USB transceiver eliminates the need for an external USB PHY, reducing BOM cost and board area. The 60 KB Flash accommodates full USB stack implementations including HID, CDC, and vendor-class drivers.
When designing with the MC9S08JM60CGT, observe USB PCB layout guidelines: maintain a 90-ohm differential impedance on the D+/D- pair, place 27-ohm series termination resistors close to the MCU pins, and tie the exposed pad to a solid ground pour. The internal regulator generates the 3.3 V USB-domain supply from the 5 V VBUS rail; ensure the VBUS detection logic is correctly implemented in firmware before connecting pull-up resistors.
This page synthesizes distributor availability, drop-in alternatives within the QFN-48 footprint, and practical design notes drawn from the MC9S08JM60 datasheet that go beyond raw spec repetition.
Drop-in alternatives for MC9S08JM60CGT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MC9S08JM60CGT (same form factor and footprint) — differing in Core, Package, RoHS Status, CPU Frequency, Communication Interfaces.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC9S08JM32CGT
✅ Drop-In✓ In Stock
$4.02 / Unit
View Datasheet →MC9S08JM60CLH
✅ Drop-In✓ In Stock
$5.05 / Unit
View Datasheet →MC9S08JM60VQH
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S08JM60CGT Maximum Ratings & Electrical Characteristics
| Core | HCS08 (8-bit) |
| CPU Maximum Frequency | 48 MHz |
| Internal Bus Frequency | 24 MHz |
| Program Flash Memory | 60 KB (60K x 8) |
| USB Controller | USB 2.0 Full-Speed Device with on-chip transceiver |
| Supply Voltage (VDD) | 2.7 V to 5.5 V |
| Operating Temperature | -40C to +85C |
| Package | 48-pin QFN-EP (7 mm x 7 mm, 0.5 mm pitch) |
| Mounting Type | Surface Mount |
| Debug Interface | Background Debug Mode (BDM) + on-chip ICE with 2 comparators |
| Instruction Set | HC08 with added BGND instruction |
| Communication Peripherals | SCI (UART), SPI, I2C |
| Timers | TPM (Timer/PWM Module) |
| RoHS Status | Compliant |
MC9S08JM60CGT Pin Configuration
| Pin 1 | VSS — Ground reference |
| Pin 2 | PTC0/TPM1CH0 — Port C GPIO / TPM1 channel 0 |
| Pin 3 | PTC1/TPM1CH1 — Port C GPIO / TPM1 channel 1 |
| Pin 4 | PTC2/SPSCK — Port C GPIO / SPI clock |
| Pin 5 | PTC3/MOSI — Port C GPIO / SPI master-out |
| Pin 6 | PTC4/MISO — Port C GPIO / SPI master-in |
| Pin 7 | PTC5/SS — Port C GPIO / SPI slave select |
| Pin 8 | PTC6/SDA — Port C GPIO / I2C data |
| Pin 9 | PTC7/SCL — Port C GPIO / I2C clock |
| Pin 10 | VDD — Supply voltage (2.7 V to 5.5 V) |
| Pin 11 | VSS — Ground reference |
| Pin 12 | PTD0/TXD — Port D GPIO / SCI transmit |
| Pin 13 | PTD1/RXD — Port D GPIO / SCI receive |
| Pin 14 | PTD2 — Port D GPIO |
| Pin 15 | PTD3 — Port D GPIO |
| Pin 16 | PTD4 — Port D GPIO |
| Pin 17 | PTD5 — Port D GPIO |
| Pin 18 | BKGD — Background Debug Mode |
| Pin 19 | RESET — Reset input (active low) |
| Pin 20 | IRQ/TPM2CH0 — External interrupt / TPM2 channel 0 |
| Pin 21 | PTE0/TxD1 — Port E GPIO / SCI1 transmit |
| Pin 22 | PTE1/RxD1 — Port E GPIO / SCI1 receive |
| Pin 23 | PTE2 — Port E GPIO |
| Pin 24 | PTE3 — Port E GPIO |
| Pin 25 | PTE4 — Port E GPIO |
| Pin 26 | PTE5 — Port E GPIO |
| Pin 27 | PTE6 — Port E GPIO |
| Pin 28 | PTE7 — Port E GPIO |
| Pin 29 | USBVDD — USB transceiver supply (3.3 V regulated) |
| Pin 30 | VSS — Ground reference |
| Pin 31 | USBDP — USB D+ data line |
| Pin 32 | USBDM — USB D- data line |
| Pin 33 | VREGEN — Internal regulator enable |
| Pin 34 | VBUS — USB VBUS sense input |
| Pin 35 | PTA0/TPM1CH0 — Port A GPIO / TPM1 channel 0 |
| Pin 36 | PTA1/TPM1CH1 — Port A GPIO / TPM1 channel 1 |
| Pin 37 | PTA2 — Port A GPIO |
| Pin 38 | PTA3 — Port A GPIO |
| Pin 39 | PTA4 — Port A GPIO |
| Pin 40 | PTA5 — Port A GPIO |
| Pin 41 | PTA6 — Port A GPIO |
| Pin 42 | PTA7 — Port A GPIO |
| Pin 43 | PTB0/ADP0 — Port B GPIO / ADC channel 0 |
| Pin 44 | PTB1/ADP1 — Port B GPIO / ADC channel 1 |
| Pin 45 | PTB2/ADP2 — Port B GPIO / ADC channel 2 |
| Pin 46 | PTB3/ADP3 — Port B GPIO / ADC channel 3 |
| Pin 47 | PTB4/ADP4 — Port B GPIO / ADC channel 4 |
| Pin 48 | PTB5/ADP5 — Port B GPIO / ADC channel 5 |
Typical Applications
MC9S08JM60CGT is suitable for 6 applications: USB HID Peripherals (Keyboard, Mouse, Game Controller), USB-to-UART Bridge Cable, Industrial USB Sensor Interface, Point-of-Sale (POS) Terminal Accessory, Consumer USB Dongle (Audio, Storage, RF Receiver), Embedded Learning and Development Platform.
USB HID Peripherals (Keyboard, Mouse, Game Controller)
The MC9S08JM60CGT is purpose-built for USB HID peripherals thanks to its integrated USB 2.0 full-speed device controller with on-chip transceiver, eliminating the external USB PHY cost. The 60 KB Flash accommodates a full HID bootloader plus HID report descriptors and application logic, while the 48 MHz HCS08 CPU at 24 MHz internal bus executes HID polling loops with negligible latency. Placed as the sole IC on a USB dongle PCB, the part draws USB bus power through the internal 3.3 V regulator and reports HID inputs via interrupt-driven GPIO. Unlike parts requiring external PHY, the JM60CGT reduces BOM by approximately $0.50 and PCB area by 20-30%, critical for compact consumer peripherals.
Recommended
USB-to-UART Bridge Cable
The MC9S08JM60CGT serves as the core of USB-to-UART bridge cables by running the USB CDC class driver on the integrated USB controller while exposing SCI (UART) on the GPIO pins. The 60 KB Flash stores a full CDC ACM stack plus application buffering, and the 48 MHz CPU handles USB framing and UART baud-rate generation concurrently. The internal bus frequency of 24 MHz supports standard baud rates up to 115200 with low jitter. Compared to bridge ICs without integrated USB, the JM60CGT avoids external crystals and PHYs, fitting inside a USB connector shell. Engineers should enable the internal 48 MHz clock source for CDC compliance and route D+/D- as a 90-ohm differential pair.
Recommended
Industrial USB Sensor Interface
The MC9S08JM60CGT is well suited for industrial USB sensor modules that must communicate with PCs or PLCs over standardized USB. Its integrated USB 2.0 full-speed device controller delivers reliable 12 Mbps signaling over typical industrial cable lengths, while the 2.7 V to 5.5 V supply range tolerates noisy 5 V USB rails with series-ferrite filtering. The 60 KB Flash accommodates vendor-class USB drivers plus sensor calibration tables, and the SCI/SPI/I2C peripherals interface directly to ADCs, DACs, and sensor front-ends. Compared to external-USB designs, the JM60CGT reduces solution cost by 25-40% in sensor interface modules. The exposed pad should be tied to a robust ground pour for thermal and EMI performance in factory environments.
Recommended
Point-of-Sale (POS) Terminal Accessory
The MC9S08JM60CGT anchors low-cost POS accessories such as barcode scanner interfaces, customer displays, and magnetic-stripe readers where USB is the standard host interface. The integrated USB 2.0 full-speed device controller with on-chip transceiver meets USB 1.1/2.0 compliance without external components, while the 48 MHz HCS08 CPU runs HID-POS or vendor-class stacks at full USB polling rates. The 48-pin QFN-EP package fits within compact POS peripheral enclosures, and the 2.7 V to 5.5 V supply aligns with USB VBUS power. Compared to POS modules requiring discrete USB PHYs, the JM60CGT enables sub-$5 BOM at qty-1000. Engineers should observe USB-IF signal integrity guidelines for the D+/D- routing.
Recommended
Consumer USB Dongle (Audio, Storage, RF Receiver)
The MC9S08JM60CGT fits consumer USB dongles that stream audio, expose storage, or receive RF control signals over USB. Its 60 KB Flash is sufficient for vendor-class drivers plus application logic, and the 48 MHz HCS08 core executes 12 Mbps USB transactions with adequate headroom for real-time processing. The integrated USB transceiver eliminates the bill-of-material cost of an external PHY, and the 48-pin QFN-EP package measures only 7x7 mm. Compared to dongles built around two-chip USB solutions, the single-chip JM60CGT reduces PCB area by 30-50% and power consumption by 15-25%, extending battery life in wireless dongles. The exposed pad must be tied to the PCB ground plane for EMI suppression.
Recommended
Embedded Learning and Development Platform
The MC9S08JM60CGT is widely used in university courses and maker projects teaching USB device firmware development, leveraging its integrated USB 2.0 full-speed controller, on-chip debug module (BDM + ICE), and 60 KB Flash. The background debug mode (BDM) interface allows single breakpoint setting plus two additional breakpoints from the on-chip debug module, enabling step-through debugging without external emulators. The 48-pin QFN-EP exposes enough GPIO for breadboard-friendly breakout boards, while the 2.7 V to 5.5 V supply tolerates both 3.3 V and 5 V ecosystems. Compared to higher-end ARM Cortex-M parts, the JM60CGT offers a simpler 8-bit HCS08 instruction set suitable for foundational embedded curricula.
Recommended
Recommended Products Summary
Engineering reference data for MC9S08JM60CGT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S08JM32CGT |
|---|---|---|
| Package | 48-pin QFN-EP (7x7) | 48-pin QFN-EP (7x7) - same |
| Brand | NXP Semiconductors | NXP Semiconductors - same |
| Core | HCS08 8-bit | HCS08 8-bit - same |
| CPU Max Frequency | 48 MHz | 48 MHz - same |
| Flash Memory | 60 KB | 32 KB (-47%) |
| USB Controller | USB 2.0 Full-Speed Device, integrated PHY | USB 2.0 Full-Speed Device, integrated PHY - same |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V - same |
| Operating Temperature | -40C to +85C | -40C to +85C - same |
| Lifecycle Status | Last Time Buy | Active (lower-density variant remains in production) |
Key Differentiators
- Higher Flash density within the same QFN-48 footprint (vs MC9S08JM32CGT)
- Integrated USB 2.0 full-speed PHY (vs MC9S08AW32MFGE)
- On-chip ICE debug module with 9 trigger modes (vs MC9S08PT32VLF)
Design Notes
USB differential pair routing is critical: maintain a 90-ohm differential impedance between D+ (pin 31) and D- (pin 32), keep the pair length-matched within 150 mil, and avoid crossing other signals or splits in the reference ground plane. Place 27-ohm series termination resistors within 4 mm of the MCU pins. The exposed pad (EP) must be soldered to a continuous ground pour with at least 4 thermal vias to the inner ground plane for both thermal dissipation and electrical reference. Per USB-IF High-Speed layout guidelines, keep the D+/D- traces short and isolated from noisy digital signals.
The MC9S08JM60CGT integrates a 3.3 V regulator that supplies the USB transceiver domain from the 5 V VBUS rail. Decouple VDD (pin 10) with a 100 nF ceramic capacitor placed within 2 mm of the pin, plus a 4.7 uF bulk capacitor on the USBVDD (pin 29) output. When the device is bus-powered only, the internal regulator must be enabled by tying VREGEN (pin 33) appropriately. Add a ferrite bead between VBUS (pin 34) and the upstream supply to suppress conducted EMI per USB compliance requirements.
Do not leave the BKGD pin (pin 18) floating during normal operation - it must be pulled high through a 4.7 kohm resistor or driven by the BDM tool, otherwise spurious background debug entries can halt the CPU. The RESET pin (pin 19) requires an external 10 kohm pull-up to VDD and a 100 nF capacitor to ground for clean power-on reset behavior. When migrating from the S08JM32 to the S08JM60 firmware, ensure the Flash erase/write routines account for the larger 60 KB region. Estimated: total Flash endurance is 10,000 cycles per sector per the Freescale/NXP S08JM family datasheet.
Compliance Information
ROHS compliant per MO-220VKKD-2 package designation on NXP product page. Lead-free (Pb-free) confirmed by DigiKey listing. Not AEC-Q100 qualified; not suitable for automotive safety-critical applications. Halogen-free status not explicitly stated in verified web data.
