MC9S08SE8MTG - 8KB Flash 8-bit 5V MCU | NXP | 16-TSSOP
MPN: MC9S08SE8MTG ✓ فعالMC9S08SE8MTG نمای کلی
An 8-bit microcontroller (MCU) is a small computer-on-a-chip that contains a CPU, memory (Flash for program storage and RAM for data), and peripherals on a single silicon die. The HCS08 family is NXP's (formerly Freescale) low-power 8-bit core architecture; within the broader taxonomy, it sits below 32-bit ARM Cortex-M microcontrollers in compute capability but above 4-bit legacy controllers in software ecosystem. The MC9S08SE8MTG is part of the SE family, which targets ultra-low-cost applications where simple digital control replaces discrete logic or electromechanical timing circuits.
Key features of the MC9S08SE8MTG include an integrated 10-bit ADC with multiple channels, hardware timers supporting PWM generation, an SCI (UART) serial interface for communication with host systems, and a low-power Wait/Stop mode. The 5V-tolerant I/O and wide supply range make it suitable for direct interfacing with legacy 5V logic. Internal clock generation with an FLL (Frequency Locked Loop) reduces external component count, allowing the device to operate from a single supply without an external crystal.
The MC9S08SE8MTG's 20 MHz bus frequency, 8KB in-system programmable Flash, and TSSOP-16 footprint position it for applications that need reliable 8-bit control in a small board area. The CISC HCS08 instruction set is backward-compatible with the HC08 family, easing migration for existing designs. On-chip debug and BDM (Background Debug Mode) interface simplify firmware development.
Typical applications include low-cost appliance controllers, automotive body electronics, sensor signal conditioning, simple user-interface boards, LED lighting controllers, and battery-powered consumer devices. The wide operating voltage also makes it suitable for USB-powered peripherals and industrial sensor nodes.
Designers should note the 16-pin TSSOP package imposes I/O pin count limits; high-pin-count peripherals may require a larger package variant. For applications requiring more memory or peripherals, consider other members of the S08 family before finalizing the design.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the MC9S08SE8MTG not found in the manufacturer datasheet alone.
جایگزین‌های drop-in برای MC9S08SE8MTG — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای MC9S08SE8MTG (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Mounting Type, Core Processor, RAM Size, Debug Interface.
MC9S08SH4MTGR
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
MC9S08SE8MTG حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core | S08 (HCS08 CISC) |
| عرض گذرگاه داده | 8 bit |
| Program Memory Size | 8 KB (8K x 8) Flash |
| RAM Size | 512 B |
| حداکثر فرکانس کلاک | 20 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V |
| محدوده دمای کاری | -40 C to +125 C |
| ADC | 10-bit on-chip |
| Number of I/O Pins | 14 |
| بسته‌بندی | 16-pin TSSOP |
| نوع نصب | Surface Mount |
| سبک نصب | SMD/SMT |
| Series | MC9S08SE |
| Communication Interfaces | SCI (UART), SPI, I2C |
| Timers | Multiple 16-bit |
| Watchdog Timer | Yes (COP) |
| Debug Interface | BDM (Background Debug Mode) |
| وضعیت RoHS | Compliant |
پیکربندی پین MC9S08SE8MTG
| پین 1 | VDD — Power supply input |
| پین 2 | PTA0/TCLK — GPIO / Timer clock input |
| پین 3 | PTA1/TCLK2 — GPIO / Timer clock input |
| پین 4 | PTA2 — General-purpose I/O |
| پین 5 | PTA3 — General-purpose I/O |
| پین 6 | PTA4 — General-purpose I/O |
| پین 7 | PTA5 — General-purpose I/O |
| پین 8 | VSS — Ground reference |
| پین 9 | PTB0/SDA — GPIO / I2C data |
| پین 10 | PTB1/SCL — GPIO / I2C clock |
| پین 11 | PTB2/MISO — GPIO / SPI MISO |
| پین 12 | PTB3/MOSI — GPIO / SPI MOSI |
| پین 13 | PTB4/SPSCK — GPIO / SPI clock |
| پین 14 | BKGD/MS — Background Debug Mode / Mode Select |
| پین 15 | RESET — Reset input (active low) |
| پین 16 | EXTAL/XOSC — External clock / crystal oscillator |
کاربردهای معمول
MC9S08SE8MTG مناسب است برای 6 کاربردs: Low-Cost Appliance Controllers, Automotive Body Electronics, Sensor Signal Conditioning, LED Lighting Controllers, USB-Powered Consumer Peripherals, Battery-Powered Remote Controls.
Low-Cost Appliance Controllers
The MC9S08SE8MTG fits low-cost appliance controllers where 8KB Flash holds simple state-machine firmware, 14 GPIO drives relays/LEDs/buttons, and the 2.7-5.5V supply runs directly from rectified mains or 5V rails. The 20 MHz HCS08 core executes control loops for washers, microwave user interfaces, and HVAC fan controllers without DSP overhead. The -40C to +125C rating covers the appliance environment including oven and refrigerator compartments.
پیشنهادی
Automotive Body Electronics
The MC9S08SE8MTG suits automotive body modules such as seat controllers, mirror adjusters, and interior lighting nodes. Its 5V-tolerant I/O interfaces directly to legacy body-electronics harnesses without level shifters; the 8KB Flash accommodates CAN-friendly or LIN-node firmware with diagnostic handlers. Wide temperature range (-40C to +125C) meets AEC-Q100-style automotive ambient requirements, while the small TSSOP-16 footprint eases placement behind trim panels.
پیشنهادی
Sensor Signal Conditioning
The MC9S08SE8MTG's 10-bit ADC with multiple channels makes it a fit for sensor signal-conditioning boards reading thermistors, photodiodes, or simple analog transducers. The 512-byte RAM buffers periodic samples; the SCI/UART peripheral streams conditioned data to a host controller or PLC. The 5V supply lets the MCU share a rail with analog front-end op-amps, simplifying board design for industrial sensor nodes.
پیشنهادی
LED Lighting Controllers
The MC9S08SE8MTG drives LED lighting strips via PWM from its 16-bit timers, supporting dimming curves and color-mixing logic in 8KB of Flash. Its 14 GPIO accommodate multi-channel RGB or warm-white strips; the 2.7-5.5V supply accepts 3.3V or 5V power rails typical in architectural-lighting designs. Low-power Wait/Stop modes save quiescent current when lighting is idle, beneficial for battery-powered fixtures.
پیشنهادی
USB-Powered Consumer Peripherals
The MC9S08SE8MTG operates from the 5V USB rail directly, eliminating the need for an additional voltage regulator on small consumer peripherals. Its SCI/UART and optional SPI/I2C peripherals interface to USB-to-serial bridges, RFID readers, or simple HID devices. 8KB Flash supports HID report handlers, and 512-byte RAM is sufficient for buffering short USB packets in polled firmware designs.
پیشنهادی
Battery-Powered Remote Controls
The MC9S08SE8MTG's low-power Wait/Stop modes and 2.7V minimum supply extend battery life in remote-control handsets, key fobs, and wireless sensor transmitters. The HCS08 core wakes on interrupt to process button events or transmit via a companion radio, then returns to sleep at microamp-level current. 14 GPIO is sufficient for keypads, IR LEDs, and status indicators on remote-control PCBs.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای MC9S08SE8MTG — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | MC9S08SH4MTGR | MC9S08QD4CSC |
|---|---|---|---|
| Package | 16-TSSOP | 16-TSSOP | SOIC-8 |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Program Memory (Flash) | 8 KB | 4 KB | 4 KB |
| RAM Size | 512 B | 256 B | 256 B |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 1.8 V to 3.6 V |
| I/O Pin Count | 14 | 14 | 4 |
| Operating Temperature Range | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C |
| ADC Resolution | 10-bit | 10-bit | 10-bit |
تفاوت‌های کلیدی
- 8KB Flash versus 4KB in SH4/QD4 siblings (در مقابلMC9S08SH4MTGR)
- 5V supply tolerance versus 3.6V in QD4 (در مقابلMC9S08QD4CSC)
- Higher I/O count than SOIC-8 siblings (در مقابلMC9S08QD4CSC)
یادداشت‌های طراحی
Place a 100 nF decoupling capacitor as close as possible to the VDD pin, with a 10 uF bulk capacitor on the same rail within 1 cm. The wide 2.7V-5.5V supply tolerates rectified mains-derived rails but add a TVS diode if the input is hot-pluggable. Internal FLL reduces but does not eliminate ripple sensitivity; keep analog and digital grounds joined at a single star point near the MCU VSS pin.
Do not assume any TSSOP-16 pinout is interchangeable with other S08-family packages. The MC9S08SE8MTG assigns specific peripheral functions to specific pins; consult the NXP MC9S08SE8 datasheet before laying out the PCB. Always check the RESET pin's external pull-up resistor (typically 10 kOhm) and the BKGD/MS pin's mode-select behavior at power-up.
Keep the EXTAL/XOSC trace short and surrounded by ground pour to minimize EMI pickup. If using an external crystal, add the recommended load capacitors per NXP's reference design. For BDM debugging, expose the BKGD/MS pin to a test pad or header - omitting it complicates field firmware updates and factory programming.
اطلاعات انطباق
RoHS compliance per JLCPCB listing and NXP product page. AEC-Q100 status not explicitly stated in verified web data - confirm with NXP factory for automotive qualifications.