MC9S08SE4MTG - 8-bit 20MHz 4KB Flash MCU | NXP | 16-TSSOP
MPN: MC9S08SE4MTG ✓ Hoạt độngMC9S08SE4MTG Tóm tắt
What is an 8-bit microcontroller? An 8-bit MCU is a small computer-on-a-chip built around an 8-bit data path, integrating a CPU, RAM, non-volatile program memory (Flash/ROM), timers, communication peripherals (UART, SPI, I2C), analog-to-digital converters, and general-purpose I/O. MCUs occupy the bottom of the embedded computing hierarchy (microcontroller -> embedded processor -> computing platform), making them the dominant choice for appliance control, sensor readout, automotive body electronics, and consumer device firmware where cost and deterministic real-time response matter more than raw computational throughput.
Key features of the MC9S08SE4MTG include a 20 MHz HCS08 central processing unit, 4 KB Flash program memory, multiple low-power modes, an on-chip oscillator, and background debug mode support. The 5V supply range allows direct interfacing with legacy 5V peripherals, automotive 12V battery-derived rails, and industrial 24V systems after regulation, eliminating level shifters in many designs.
From an architectural standpoint, the HCS08 core is a modernized, fully-static CMOS upgrade of the classic HC08 instruction set, featuring a BDC (Background Debug Controller) for in-circuit programming and a multiplexed address/data bus for peripheral access. Compared to the older HC08, the HCS08 adds a wider instruction set with improved indexing modes, lower power consumption, and integrated voltage regulation for the core logic.
Typical applications include automotive body controllers (lighting, seat, mirror modules), white-goods and appliance control boards, industrial sensor interfacing, low-cost consumer devices, and remote controls that benefit from 5V tolerance and small TSSOP packaging.
When designing with this MCU, ensure proper decoupling on VDD/VSS and follow the recommended PCB layout for the TSSOP-16 thermal and EMI behavior. Note that part production status should be checked before committing to a long-lifecycle design.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho MC9S08SE4MTG — 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 MC9S08SE4MTG (cùng hình factor và footprint) — khác nhau ở Package, Data Bus Width, Mounting Type, Connectivity, Core Processor.
MC9S08SE4MWG
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08SE4CTG
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08SE8MTG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08SE4VTG
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08PA4VTGR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08QG8CDTER
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08SE4MTG Tỷ lệ tối đa & tính chất điện
| Product Type | 8-bit Microcontroller (MCU) |
| Core Architecture | HCS08 |
| CPU Speed | 20 MHz |
| Internal Bus Frequency | 10 MHz |
| Program Memory | 4 KB Flash |
| Supply Voltage Range | 5 V (typical) |
| Hộp | 16-TSSOP |
| Số lượng chân | 16 |
| Kiểu lắp đặt | Surface Mount (TSSOP, gull-wing) |
| Bề rộng đường dữ liệu | 8-bit |
| On-chip Oscillator | Yes |
| Debug Interface | Background Debug Mode (BDC) |
| Series | MC9S08SE |
| Temperature Grade | Automotive (per Partstack entry) |
Cấu hình chân MC9S08SE4MTG
| Chân 1 | PTB5/SS — GPIO/HSI; or SPI Slave Select |
| Chân 2 | PTA5 — General-purpose I/O |
| Chân 3 | PTA4 — General-purpose I/O |
| Chân 4 | PTA3 — General-purpose I/O |
| Chân 5 | VSS — Ground |
| Chân 6 | VDD — Power supply (5V typical) |
| Chân 7 | PTB4/TCLK — GPIO or timer clock input |
| Chân 8 | PTB3/TXD — GPIO or SCI/UART TX |
| Chân 9 | PTB2/RXD — GPIO or SCI/UART RX |
| Chân 10 | PTA0/TPMCH0 — GPIO or TPM Channel 0 PWM |
| Chân 11 | PTA1/TPMCH1 — GPIO or TPM Channel 1 PWM |
| Chân 12 | PTA2/TPMCH2 — GPIO or TPM Channel 2 PWM |
| Chân 13 | PTA6/ADP — GPIO or ADC positive input |
| Chân 14 | PTB0/SDA — GPIO or I2C SDA |
| Chân 15 | PTB1/SCL — GPIO or I2C SCL |
| Chân 16 | BKGD/MS — Background Debug / Mode Select |
Ứng dụng tiêu biểu
MC9S08SE4MTG phù hợp cho 7 Áp dụngs: Automotive Body Controllers, White Goods Appliance Control, Industrial Sensor Conditioning, Remote Controls and Human-Machine Interface, Lighting Ballast and LED Drivers, Battery Management and Monitoring, Industrial Motor Control (BLDC/PMSM Driver Board).
Automotive Body Controllers
The MC9S08SE4MTG fits automotive body-control modules including lighting, seat, mirror, and HVAC sub-systems where 5V tolerance and a proven HCS08 core reduce BOM and qualification risk. Its 20 MHz CPU and 4 KB Flash handle typical body-class firmware: CAN/LIN transceivers via SCI for in-vehicle network bridging, ADC for rotary position sensing, and PWM (TPM) for motor drive. The 5V supply rail rides cleanly on 12V battery-fed rails after an LDO, eliminating cost and quiescent-current penalties of level shifters. Compared to 3.3V MCUs, no shifters are needed on legacy 5V sensors, and the part's -40C to +125C temperature grade covers under-hood operating extremes.
Được đề xuất
White Goods Appliance Control
Washing machines, dryers, and dishwashers benefit from the MC9S08SE4MTG's 5V I/O tolerance for directly driving triac/relay interfaces used in motor and heater control. The HCS08 core and 20 MHz speed are sufficient for state-machine and PID-style firmware without a real-time OS, while 4 KB Flash easily fits in a typical appliance UI plus fault-logic. The 16-TSSOP package handles moderate vibration thanks to surface-mount gull-wing leads, and the wide supply voltage headroom tolerates rectified 24V-input rails in industrial white goods. Common companion parts are zero-cross SSRs and current-sense amplifiers that share the 5V rail.
Được đề xuất
Industrial Sensor Conditioning
For 4-20 mA loop-powered transmitters and small PLC analog/digital I/O blocks, the MC9S08SE4MTG provides HCS08 performance with 5V tolerance for legacy 24V-derived rails. Its built-in ADC handles thermocouple, RTD, and strain-gauge bridge signals after front-end amplifier conditioning, while the TPM module generates PWM excitations for sensor excitation or valve drivers. The 16-TSSOP compact footprint is ideal for DIN-rail mount cards where PCB real-estate is limited. Industrial designers value the part's automotive-grade temperature rating for outdoor cabinets.
Được đề xuất
Remote Controls and Human-Machine Interface
Consumer remote controls, ceiling-fan controllers, and small HMI panels benefit from the MC9S08SE4MTG's low BOM cost, modest Flash, and the HCS08 core's deterministic interrupt response for button-matrix decoding. The part's I/O count is well-matched to keypad matrix scanning, IR LED PWM drive, and UART-attached Bluetooth/Sub-GHz modules. The 5V supply matches typical 2-AA cell-powered booster designs. The 16-TSSOP is hand-solder-friendly for prototyping rework, lowering engineering development cost.
Được đề xuất
Lighting Ballast and LED Drivers
The 16-TSSOP MC9S08SE4MTG can serve as the supervisory MCU in commercial lighting ballasts and addressable LED systems. Its 5V tolerance allows direct interfacing with analog lighting control signals (0-10V dimming), while the timers deliver accurate PWM for constant-current LED drivers. The -40C to +125C automotive grade covers outdoor luminaire operating conditions. 4 KB Flash supports DALI or DMX protocol stacks when paired with a UART-to-DALI bridge IC, or run a full DALI-2 application controller for moderate installations.
Được đề xuất
Battery Management and Monitoring
Backup battery monitors, e-bike controllers, and small UPS modules can use the MC9S08SE4MTG to perform cell-voltage scanning, current integration, and SOC/SOH calculations thanks to its ADC and timers. The 5V supply is well-suited for 12V lead-acid stacks with a small LDO; the HCS08 core executes coulomb-counting math quickly and reliably. The 16-TSSOP package is small enough for inside-battery-pack controllers. Modest 4 KB Flash supports most SOC algorithms without external memory.
Được đề xuất
Industrial Motor Control (BLDC/PMSM Driver Board)
Small BLDC and PMSM motor controllers in pumps, fans, and small appliances can use the MC9S08SE4MTG as the supervisor for 6-step or sine commutation, providing commutation logic while a dedicated gate driver handles FET switching. The timers drive PWM channels synchronized with back-EMF ADC sampling, and 5V tolerance interfaces directly with 3.3V sensors through simple resistor dividers. The part's automotive-grade temperature rating is a strong fit for under-hood motor control, and 16-TSSOP is small enough for in-motor PCBs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S08SE4MTG — 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 | MC9S08SE4MWG | MC9S08SE4CTG | MC9S08SE8MTG | MC9S08PA4VTGR |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 16-TSSOP | 16-TSSOP | 16-TSSOP | 16-TSSOP | 16-TSSOP |
| Core | HCS08 (8-bit) | HCS08 (8-bit) | HCS08 (8-bit) | HCS08 (8-bit) | HCS08 (8-bit) PA family |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Flash Memory | 4 KB | 4 KB | 4 KB | 8 KB | 4 KB |
| Supply Voltage | 5 V (typical) | 5 V (typical) | 5 V (typical) | 5 V (typical) | 2.7 V to 5.5 V |
| Temperature Grade | Automotive (-40C to +125C) | Industrial (-40C to +105C) | Automotive (-40C to +125C) | Automotive (-40C to +125C) | Automotive (-40C to +125C) |
| Debug Interface | BDC (single wire) | BDC (single wire) | BDC (single wire) | BDC (single wire) | BDC (single wire) |
| Pin Count | 16 | 16 | 16 | 16 | 16 |
Bảo phân biệt quan trọng
- 5V supply tolerance and automotive temperature grade (vsMC9S08PA4VTGR)
- Pin-compatible Flash upgrade path (vsMC9S08SE8MTG)
- Lower-cost second source variant (vsMC9S08SE4CTG)
Ghi chú thiết kế
Decouple VDD/VSS on the MC9S08SE4MTG with a 100 nF X7R ceramic placed within 2 mm of pin 6 and pin 5, plus a bulk 1-10 uF tantalum/ceramic near the supply node. For 5V rails derived from 12V automotive battery, add a series ferrite bead and TVS to suppress load-dump transients; NXP recommends VDD hold-up for S08 families of at least 1 ms after VDD drops below 3.6V.
On the 16-TSSOP, the 0.65 mm pitch means standard 4-mil trace/space is required for land pattern. Use a land pattern compliant with IPC-7351 (TSSOP-16) with no exposed pad. Keep the BDC pin (BKGD/MS) accessible - either route to a 2-pin header on the board edge for in-system programming, or commit to a non-isolated solder test point.
Do not assume the 16-TSSOP pinout of MC9S08SE4MTG matches other S08 parts such as the QG family - GPIOs and peripheral functions move pin-by-pin between sub-families. Always recheck the 'Signal Description' table in the family datasheet when migrating SE4 to PA4 or QG8 firmware. Also, leave the RESET pin configurable: the HCS08 default is internal pull-up enabled, so adding an external pull-up is fine but optional.
Estimated: at typical 5 V, 20 MHz, IO 50% toggle, the MC9S08SE4MTG in 16-TSSOP dissipates roughly 50-80 mW; with TSSOP theta_JA around 80-120 C/W the junction rises only a few degrees above ambient in well-ventilated enclosures. No heatsink is required even in sealed appliance designs below 85C ambient.
Thông tin tuân thủ
NXP MC9S08SE family parts released after 2010 are RoHS-compliant. Partstack listing tags the device as Automotive temperature grade; AEC-Q100 qualification is the expected baseline for this NXP family. Exact qualifications should be verified against the latest NXP datasheet revision.