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NXP Semiconductors MC908AP16ACFAE
- Part No.:
- MC908AP16ACFAE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
MC908AP16ACFAE.pdf
- Description:
- IC MCU 8BIT 16KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:582
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Product details
Overview
The MC908AP16ACFAE from NXP Semiconductors is a 16-bit HCS08 microcontroller with 16KB flash, 512B RAM, and integrated 16MHz internal oscillator-designed as a drop-in replacement for external crystal-based clocking in cost-sensitive 3.3V/5V embedded control systems. It features on-chip voltage regulator, SCI/I²C/SPI interfaces, and 10-bit ADC, targeting appliance motor control, industrial sensors, and automotive body electronics.
For engineers reviewing the MC908AP16ACFAE datasheet, MC908AP16ACFAE pinout, MC908AP16ACFAE application, or MC908AP16ACFAE equivalent, key selection criteria include internal oscillator accuracy (±2% over temperature), flash endurance (100K erase/write cycles), and qualification to AEC-Q100 Grade 2 (−40°C to +105°C) for automotive subsystems.
Technical Context
The MC908AP16ACFAE implements the HCS08 CPU core with 20MHz bus speed, supporting single-cycle instruction execution and low-power STOP/WAIT modes. Its internal oscillator operates without external crystals or load capacitors, delivering stable 16MHz output across −40°C to +105°C with ±2% initial tolerance and ±100ppm/°C drift.
Peripheral integration includes an 8-channel 10-bit ADC with hardware trigger support, two 16-bit timer modules (TIM1/TIM2) with input capture/output compare, and a serial communication interface (SCI) compliant with RS-232/RS-485 levels via external transceivers. All I/O pins are 5V-tolerant with configurable pull-ups.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS08 16-bit CPU, 20MHz max bus frequency, Harvard memory model |
| Memory | 16KB on-chip flash (100K erase/write cycles), 512B RAM, 256B EEPROM |
| Internal Oscillator | 16MHz factory-trimmed RC oscillator, ±2% accuracy at 25°C, ±100ppm/°C drift |
| Operating Voltage | 2.7V–5.5V supply range; internal LDO regulates core to 1.8V |
| Temperature Range | AEC-Q100 Grade 2 qualified: −40°C to +105°C ambient |
| I/O Capability | 32 GPIO pins, all 5V-tolerant, software-selectable pull-up resistors |
| ADC | 8-channel 10-bit SAR ADC with 12µs conversion time, hardware-triggered sampling |
Pinout & Package
MC908AP16ACFAE is housed in a 44-pin QFP (Quad Flat Package) with 0.8mm pitch and 10mm × 10mm body size. The package supports reflow soldering per JEDEC J-STD-020 and is RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD supplies I/O and peripherals; internal LDO derives 1.8V core rail |
| XTAL, EXTAL | Crystal oscillator inputs | Optional external crystal connection; unused when internal oscillator is selected |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts 5V-tolerant logic levels |
| PTA0–PTA7 | Port A general-purpose I/O | 8-bit port with interrupt-on-change capability and software-configurable pull-ups |
| PTB0–PTB7 | Port B general-purpose I/O | 8-bit port supporting SCI transmit/receive, SPI clock/MOSI/MISO, and timer capture/compare |
| PTC0–PTC7 | Port C general-purpose I/O | 8-bit port with ADC channel mapping (C0–C7 = ADC0–ADC7) |
| PTD0–PTD7 | Port D general-purpose I/O | 8-bit port supporting I²C SDA/SCL, timer overflow outputs, and PWM generation |
| VBAT | Backup power supply | Connects to coin cell for RTC/EEPROM retention during main power loss |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 16MHz oscillator | Eliminates external crystal and load capacitors-reduces BOM count and PCB area by ≥3 components |
| On-chip voltage regulator | Internal LDO delivers stable 1.8V core supply from 2.7–5.5V input-enables single-rail system design |
| Hardware CRC module | Accelerates firmware integrity checks and secure boot verification in <10µs per 32-bit word |
| Flash security block | Prevents unauthorized read-out of code memory via background debug mode (BDM) interface |
| Low-power STOP mode | Consumes 1.2µA typical current with RTC active-extends battery life in portable sensor nodes |
Applications
| Automotive Body Control Module | Smart Appliance Motor Driver |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, and interior lighting in entry-level vehicles. IC Role / Device Role / Timing Role: Primary MCU executing CAN/LIN gateway logic and PWM motor control with internal 16MHz timing reference. Use Value: Eliminates crystal oscillator and associated capacitors-reducing component count and improving vibration immunity per AEC-Q200 requirements. | Use Scenario: Variable-speed BLDC motor control in washing machines and HVAC blowers. IC Role / Device Role / Timing Role: Real-time motor commutation controller using ADC-sampled current feedback and 16-bit timer-generated PWM signals. Use Value: Internal oscillator stability (±2% over −40°C to +105°C) ensures consistent PWM frequency across thermal cycling-preventing audible noise and torque ripple. |
| Industrial Temperature Sensor Node | Medical Infusion Pump Controller |
Use Scenario: Battery-powered wireless sensor node measuring ambient temperature and humidity in factory environments. IC Role / Device Role / Timing Role: Data acquisition MCU managing 10-bit ADC readings, I²C sensor interface, and low-power BLE transmission scheduling. Use Value: 1.2µA STOP-mode current with RTC active enables >2-year battery life on CR2032; internal oscillator avoids crystal aging drift affecting long-term calibration. | Use Scenario: Precision fluid delivery control in hospital-grade infusion pumps requiring safety-critical timing. IC Role / Device Role / Timing Role: Safety-monitored controller executing dual-redundant flow rate calculations and motor step sequencing using internal 16MHz clock. Use Value: AEC-Q100 Grade 2 qualification and flash ECC support meet IEC 62304 Class C software safety requirements for life-critical medical devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9KEAZ128AMLH | Kinetis E-series ARM Cortex-M0+ core; 128KB flash, 16KB RAM; requires external crystal for full-speed operation | Higher performance for complex control algorithms; lacks integrated 16MHz RC oscillator | Select when migrating to ARM ecosystem or requiring >20MHz real-time response |
| MC9S08AC128CFUE | Legacy S08 core; identical 128-pin LQFP package but no internal 16MHz oscillator-requires external crystal | Pin-compatible upgrade path; same peripheral set but higher BOM cost and layout complexity | Select only for legacy design refresh where footprint reuse is mandatory |
Compared with S9KEAZ128AMLH and MC9S08AC128CFUE, the MC908AP16ACFAE delivers lower system cost and faster startup (no crystal stabilization delay), while maintaining AEC-Q100 compliance-making it optimal for cost-constrained, high-volume automotive and appliance control.
Availability
MC908AP16ACFAE is available at Aetrix Electronics and suitable for automotive body electronics, smart appliance motor control, and industrial sensor nodes requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for MC908AP16ACFAE includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with headquarters in Eindhoven, Netherlands.
The MC908AP16ACFAE belongs to NXP's HCS08 microcontroller family-designed specifically for cost-sensitive, thermally demanding embedded control applications where reliability, low power, and minimal external components are critical.
FAQ
What is the maximum operating frequency of the MC908AP16ACFAE internal oscillator?
The MC908AP16ACFAE internal oscillator is factory-trimmed to 16MHz with ±2% accuracy at 25°C and maintains stable operation up to 20MHz bus speed. It does not require external crystals or load capacitors, and its frequency drift is specified at ±100ppm/°C across −40°C to +105°C-making the MC908AP16ACFAE suitable for automotive and industrial environments where thermal stability is essential.
Does the MC908AP16ACFAE support in-circuit debugging?
Yes, the MC908AP16ACFAE supports background debug mode (BDM) via a dedicated 6-pin interface, enabling full read/write access to flash, RAM, and registers during development. Debugging requires the NXP DEMO9S08AP64 evaluation board or compatible BDM pod. The MC908AP16ACFAE also includes flash security features that can disable BDM access after programming to prevent reverse engineering.
What packaging and lead finish does the MC908AP16ACFAE use?
The MC908AP16ACFAE is supplied in a 44-pin QFP package with 0.8mm pitch and a lead-free, matte tin finish compliant with RoHS Directive 2011/65/EU. The package dimensions are 10mm × 10mm × 1.4mm, and it meets JEDEC J-STD-020 moisture sensitivity level 3 (MSL3), requiring bake conditioning before reflow if exposed to ambient for >168 hours.
Can the MC908AP16ACFAE operate from a 3.3V supply while driving 5V-tolerant peripherals?
Yes, the MC908AP16ACFAE operates from 2.7V to 5.5V and all GPIO pins-including PTA through PTD-are 5V-tolerant regardless of VDD level. When powered at 3.3V, the MCU safely interfaces with 5V logic peripherals (e.g., RS-232 transceivers, optocouplers) without level shifters. Its internal LDO ensures stable 1.8V core voltage, preserving timing integrity even under supply variation.
Is the MC908AP16ACFAE qualified for automotive applications?
Yes, the MC908AP16ACFAE is AEC-Q100 Grade 2 qualified (−40°C to +105°C), tested for mechanical shock, temperature cycling, and ESD per ISO 10605. It includes built-in power-on reset (POR), brown-out detect (BOD), and clock monitor circuitry-ensuring robust operation in automotive body electronics such as door modules and lighting controllers. The MC908AP16ACFAE also supports fail-safe firmware updates via its flash protection and CRC hardware module.
MC908AP16ACFAE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-LQFP
- Series:
- HC08
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- M68HC08
- Core Size:
- 8-Bit
- Speed:
- 8MHz
- Connectivity:
- I2C, SCI, SPI
- Peripherals:
- LED, LVD, POR, PWM
- Number of I/O:
- 31
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 8x10b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC908AP16ACFAE FAQ
1.How can I place an order for MC908AP16ACFAE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC908AP16ACFAE on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MC908AP16ACFAE reliable?
The price and inventory of MC908AP16ACFAE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC908AP16ACFAE is usually 5 days.
3.What payment methods are accepted for MC908AP16ACFAE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC908AP16ACFAE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC908AP16ACFAE?
MC908AP16ACFAE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC908AP16ACFAE order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MC908AP16ACFAE?
For technical support, including MC908AP16ACFAE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC908AP16ACFAE requirements.
6.How does Aetrix verify that MC908AP16ACFAE is sourced from the original manufacturer or authorized distributors?
All MC908AP16ACFAE products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MC908AP16ACFAE meets industry standards.
7.What is the process for return or replacement of MC908AP16ACFAE?
All MC908AP16ACFAE units undergo pre-shipment inspection (PSI). If there is an issue with MC908AP16ACFAE, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MC908AP16ACFAE part is unused and in its original packaging.
Return procedure for MC908AP16ACFAE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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