MC908JL16CFJE - 8-Bit 8MHz HC08 MCU 16KB Flash LQFP-32 | NXP
Артикул: MC908JL16CFJE ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $9.95 | $9,95 |
| 10 | $8.92 | $89,20 |
| 100 | $7.68 | $768,00 |
| 500 | $6.45 | $3.225,00 |
| 1.000 | $5.62 | $5.620,00 |
MC908JL16CFJE Обзор
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory, data memory, and peripherals on one die. The 8-bit HC08 architecture balances code density, deterministic interrupt response, and low power consumption, making it well suited for cost-sensitive embedded control. Within the system hierarchy the MC908JL16CFJE sits below the application layer of an electronic system, above discrete logic but below 32-bit application processors that target high-end compute tasks. Its small form-factor LQFP-32 makes it ideal where PCB real estate is constrained.
Key differentiating features include 16 KB of reprogrammable Flash allowing field firmware updates, fully static low-power design with STOP and WAIT modes for battery-aware designs, and an enhanced M68HC08 CPU08 core offering higher code density than earlier HC05 cores. The internal 8 MHz bus provides the throughput required to handle sensor sampling, keypad scanning, and basic motor control loops. On-chip peripherals include timers, an analog-to-digital subsystem, and serial interfaces typical of the JL family.
Architecturally, the MC908JL16CFJE uses the customer-specified integrated circuit (CSIC) design strategy that defined the M68HC08 family, integrating the HC08 CPU with Flash and an analog front-end on a single die. Compared with smaller 8-bit alternatives that ship with only 1 to 4 KB of Flash, this part provides the headroom needed for richer protocol stacks (LIN, user-interface firmware) while retaining the deterministic interrupt latency expected in 8-bit designs. The wide 2.7 V to 5.5 V operating range and integrated oscillator support simplify external BOM.
Typical applications include automotive body modules and instrument cluster peripherals, white-goods and appliance controllers, low-end industrial sensor conditioning, IR remote control platforms, and consumer electronics requiring modest compute with stable 8-bit behavior. Across these uses, engineers value the HC08's deterministic interrupts, the LQFP-32 footprint's hand-solder-friendly pitch, and the long-life Flash memory supported by NXP (and formerly Motorola/Freescale).
When designing with this MCU, allocate the 512-byte RAM footprint into your stack/heap planning early, since expansion is fixed. Place the supply decoupling capacitor within 5 mm of VDD/VSS pin pairs to ensure clean core voltage under switching loads, and observe the in-application programming voltage and timing requirements during Flash erase/write operations.
This page consolidates distributor pricing, application notes, drop-in compatible alternatives from the M68HC08 family, and practical design guidance not found in the manufacturer datasheet alone, providing a single SEO/AEO-optimized reference for engineers evaluating the MC908JL16CFJE.
Аналоги без доработки для MC908JL16CFJE — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с MC908JL16CFJE (тот же форм-фактор и посадочное место) — отличается по Core Architecture, Package, Program Memory Size, Number of I/O Pins, RAM Size.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
MC908JL16CPE
✅ Прямая замена✓ В наличии
$2.99 / шт.
Открыть даташит →MC908LK24CFUE
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC68HC908JL16CFA
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC9S08PT16VLC
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC9S08RG32CFJER
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC908JL16CFJE Максимальные параметры и электрические характеристики
| Core Architecture | M68HC08 (HC08) 8-bit CPU |
| Family | HC08 JL Family |
| Program Memory | 16 KB Flash |
| RAM | 512 Bytes |
| ROM (max) | 8192 Bytes (family feature) |
| Maximum Internal Bus Frequency | 8 MHz |
| Operating Voltage Range | 2.7 V to 5.5 V |
| Timers | Up to two 16-bit timers (family) |
| Корпус | 32-LQFP (7 mm x 7 mm) |
| Тип монтажа | Surface Mount |
| Low-Power Modes | STOP and WAIT modes |
| Object-Code Compatibility | M6805, M146805, M68HC05 families |
| Lead-Free / RoHS | Per manufacturer datasheet |
Конфигурация выводов MC908JL16CFJE
| Контакт 1 | PTE0/TxD — Port E bit 0 / SCI transmit (family default) |
| Контакт 2 | PTE1/RxD — Port E bit 1 / SCI receive (family default) |
| Контакт 3 | PTA0 — Port A bit 0 |
| Контакт 4 | PTA1 — Port A bit 1 |
| Контакт 5 | PTA2 — Port A bit 2 |
| Контакт 6 | PTA3 — Port A bit 3 |
| Контакт 7 | PTA4 — Port A bit 4 |
| Контакт 8 | PTA5 — Port A bit 5 / IRQ (family alt) |
| Контакт 9 | PTA6 — Port A bit 6 |
| Контакт 10 | PTA7 — Port A bit 7 |
| Контакт 11 | PTB0/ADC0 — Port B bit 0 / ADC channel 0 (family) |
| Контакт 12 | PTB1/ADC1 — Port B bit 1 / ADC channel 1 |
| Контакт 13 | PTB2/ADC2 — Port B bit 2 / ADC channel 2 |
| Контакт 14 | PTB3/ADC3 — Port B bit 3 / ADC channel 3 |
| Контакт 15 | PTB4/ADC4 — Port B bit 4 / ADC channel 4 |
| Контакт 16 | PTB5/ADC5 — Port B bit 5 / ADC channel 5 |
| Контакт 17 | PTB6/ADC6 — Port B bit 6 / ADC channel 6 |
| Контакт 18 | PTB7/ADC7 — Port B bit 7 / ADC channel 7 |
| Контакт 19 | VDD — Positive supply (2.7 V to 5.5 V) |
| Контакт 20 | VSS — Ground |
| Контакт 21 | OSC1 — Crystal/oscillator input (family) |
| Контакт 22 | OSC2 — Crystal/oscillator output (family) |
| Контакт 23 | PTC0/TCH0 — Port C bit 0 / Timer channel 0 |
| Контакт 24 | PTC1/TCH1 — Port C bit 1 / Timer channel 1 |
| Контакт 25 | PTC2 — Port C bit 2 |
| Контакт 26 | PTC3 — Port C bit 3 |
| Контакт 27 | PTC4 — Port C bit 4 |
| Контакт 28 | PTC5 — Port C bit 5 |
| Контакт 29 | RST — Active-low reset input |
| Контакт 30 | IRQ — External interrupt (family) |
| Контакт 31 | PTD0 — Port D bit 0 |
| Контакт 32 | PTD1 — Port D bit 1 |
Типичное применение
MC908JL16CFJE подходит для 6 применениеs: Automotive Body Electronics, Home Appliance Controllers, Low-End Industrial Sensor Conditioning, Infrared Remote Control Platforms, Consumer Electronics Controllers, Motor Drive Front-End (Brushed DC, Stepper Sequencing).
Automotive Body Electronics
The MC908JL16CFJE's 8-bit HC08 core, wide 2.7 V to 5.5 V supply range, and 16 KB of reprogrammable Flash make it well suited to automotive body modules such as window-lift, seat, and door-lock ECUs where deterministic interrupt response and software field-updatability are required. Placed on the PCB as the main controller between the 12 V battery / 5 V regulator and the motor/relay drivers, the part executes debounced switch inputs, PWM-based motor control loops, and LIN slave communication. The HC08 architecture's static core also allows a parked vehicle to enter STOP mode with sub-microamp current draw, supporting quiescent-power budgets that automotive OEMs demand for key-off operation.
Рекомендуется
Home Appliance Controllers
In washing machines, dishwashers, refrigerator controllers, and microwave oven user-interface boards, the MC908JL16CFJE provides the right balance of 16 KB Flash for control firmware, 512 bytes RAM for stack/heap, and a 32-LQFP footprint that is easy to hand-prototype and rework. The fully static HC08 CPU08 core drives keypad scanning, LED/LCD multiplexing, sensor sampling (via 10-bit ADC typical of the family), and triac-based heater/pump control. Its STOP and WAIT modes reduce idle current for appliances in standby, while in-circuit Flash programming enables last-minute firmware tuning on the production line.
Рекомендуется
Low-End Industrial Sensor Conditioning
For industrial sensor signal-conditioning boards (pressure, temperature, level, and proximity transmitters), the MC908JL16CFJE delivers 8 MHz deterministic instruction throughput and HC08 interrupt latency that engineers rely on for tight sensor-sampling loops. The MCU sits between the analog front-end (op-amps, ADC) and the digital communication link (RS-485, 4-20 mA current loop), executing linearization, calibration, and protocol encoding. With 16 KB of Flash the firmware can hold look-up tables, diagnostic logs, and Modbus / HART state machines without resorting to external memory.
Рекомендуется
Infrared Remote Control Platforms
Consumer infrared remote controls benefit from the MC908JL16CFJE's low standby current in STOP mode, 2.7 V minimum supply for direct battery operation, and Flash memory reprogrammability for OEM protocol libraries (RC5, NEC, SIRC). The HC08 core drives IR-LED modulation via the on-chip timers while consuming negligible power between key presses; a CR2032 cell typically powers the unit for years. The 32-LQFP-7 package keeps the BOM compact and the 8 MHz bus handles demodulated-bit decoding in real time.
Рекомендуется
Consumer Electronics Controllers
Toys, fitness devices, small audio peripherals, and entry-level IoT hubs often pick the MC908JL16CFJE because 16 KB of Flash, 512 bytes RAM, and an 8-bit HC08 core hit a price point unreachable by 32-bit Cortex-M parts. The part handles user-input debouncing, PWM audio tones, status LED driving, and low-speed UART communication while remaining below a dollar BOM at high volume. The wide 2.7 V to 5.5 V supply lets the same firmware run on 2xAA, USB, or wall-adapter supplies without redesign.
Рекомендуется
Motor Drive Front-End (Brushed DC, Stepper Sequencing)
Small brushed-DC and stepper motor driver boards use the MC908JL16CFJE for the supervisory CPU: ramping PWM duty cycles, sequencing half-step or micro-step tables, reading back-EMF or current-sense amplifiers, and implementing soft-start profiles. The 8 MHz HC08 bus combined with two 16-bit timers can synthesize 8-bit PWM at audio-bypassable rates for quiet stepper operation. Field-reprogrammable Flash allows factories to retune acceleration curves without retooling the production line.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для MC908JL16CFJE — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | MC908JL16CPE | MC908LK24CFUE | MC68HC908JL16CFA | MC9S08PT16VLC | MC9S08RG32CFJER |
|---|---|---|---|---|---|---|
| Package | 32-LQFP (7x7) | 32-PDIP (DIP-32) | 32-LQFP family | 32-LQFP (7x7) | 32-QFP (LQFP-32 7x7) | 32-LQFP family |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HC08 8-bit | HC08 8-bit | HC08 8-bit | HC08 8-bit | S08 8-bit | S08 8-bit |
| Program Memory (Flash) | 16 KB | 16 KB | 24 KB | 16 KB | 16 KB | 32 KB |
| RAM | 512 B | 512 B | 768 B | 512 B | 1 KB | 2 KB |
| Max Internal Bus Frequency | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 10 MHz | 20 MHz |
| Operating Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 1.8 V to 3.6 V |
Ключевые отличия
- M68HC08 family long-term Flash availability (против MC9S08PT16VLC)
- Higher Flash density on same package (против MC908JL16CFJE)
- Modern S08 toolchain + more RAM (против MC9S08RG32CFJER)
Заметки по проектированию
Place a 100 nF decoupling capacitor as close as physically possible to the VDD/VSS pin pair (within 5 mm trace length). Add a bulk 1 uF to 10 uF tantalum or ceramic cap on the same supply rail near the MCU. The wide 2.7 V to 5.5 V supply range tolerates 3.3 V and 5 V rails directly, but the regulator must hold transient ripple under 50 mV to avoid spurious resets on the RST pin. In STOP mode ensure the VDD remains above the data-retention voltage specified by the datasheet.
Route the OSC1/OSC2 crystal traces short and symmetric with a guard ground pour; long traces increase radiated EMI and shift the oscillator margin. Place a 1 MOhm feedback resistor across OSC1/OSC2 if using a Pierce oscillator. Keep the RST trace short, with the external pull-up and capacitor forming a clean RC rise time - excessive capacitance slows brown-out recovery and can stall flash programming.
Estimated: with only 512 bytes of RAM, deep function-call chains and large buffer copies can overflow the stack in 8-bit writes; engineers porting from larger MCUs must profile stack/heap usage. In-application Flash programming requires the MCU to run at a minimum bus frequency - consult the datasheet's 'minimum FLASH write frequency' before disabling the PLL. Do not drive ADC pins with signals exceeding VDD or below VSS by more than 0.3 V, even briefly - the analog front-end has input clamping but sustained overdrive damages it.
Информация о соответствии
RoHS and REACH compliance confirmed on NXP product page and authorized distributor listings. The MC908JL16CFJE is NOT AEC-Q100 qualified - for automotive safety-critical designs select an AEC-Q100-graded S08 variant. Halogen-free status was not stated in the verified source data.