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NXP Semiconductors MC908AS60ACFUE
- Part No.:
- MC908AS60ACFUE
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-QFP
- Datasheet:
-
MC908AS60ACFUE.pdf
- Description:
- IC MCU 8BIT 60KB FLASH 64QFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,918
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Product details
Overview
MC908AS60ACFUE from Freescale Semiconductor is an 8-bit HCS08 microcontroller featuring 60 KB on-chip FLASH-1 memory, 2 KB RAM, dual EEPROM modules (512 B each), and integrated MSCAN 08 controller for CAN 2.0A/B communication. It operates at up to 40 MHz bus frequency with internal PLL clock generation and supports 5V operation in a 64-pin QFP package. It is used in automotive body control modules requiring robust CAN networking and nonvolatile parameter storage.
For engineers reviewing the MC908AS60ACFUE datasheet, MC908AS60ACFUE pinout, MC908AS60ACFUE application, or MC908AS60ACFUE equivalent, key selection criteria include its dual EEPROM architecture for wear-leveling, MSCAN 08 compliance with ISO 11898-1, 40 MHz maximum bus speed, and support for STOP/WAIT low-power modes in automotive environments.
Technical Context
The MC908AS60ACFUE implements the HCS08 CPU core with enhanced addressing modes and a 16-bit index register. Its System Integration Module (SIM) manages reset sources including Power-On Reset, COP watchdog timeout, and Low-Voltage Inhibit, ensuring deterministic startup and fault recovery in harsh electrical environments.
It integrates two independent EEPROM modules (EEPROM-1 and EEPROM-2), each with dedicated control registers, timebase dividers, and block protection-enabling concurrent read/write operations and firmware-safe parameter updates without halting program execution.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS08 8-bit CPU with 16-bit index register and enhanced instruction set for efficient embedded control. |
| FLASH Memory | 60 KB FLASH-1 + 4 KB FLASH-2; supports in-application programming and mass/page erase for firmware updates. |
| RAM | 2 KB on-chip RAM; provides fast data access for real-time variables and stack operations. |
| EEPROM | Dual 512-byte EEPROM modules (EEPROM-1 & EEPROM-2); enables wear-leveling and atomic parameter writes. |
| CAN Interface | MSCAN08 controller compliant with CAN 2.0A/B; supports 1 Mbit/s data rate and message filtering for automotive networks. |
| Max Bus Frequency | 40 MHz; achieved via internal PLL with crystal oscillator input (1–8 MHz range) and programmable multiplication factor. |
| Supply Voltage | 4.5 V to 5.5 V; designed for direct integration into 5V automotive power domains with LVI reset protection. |
| Operating Temperature | −40 °C to +125 °C; qualified for under-hood automotive applications per AEC-Q100 Grade 1. |
Pinout & Package
MC908AS60ACFUE is housed in a 64-pin LQFP (7 mm × 7 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined across eight I/O ports (Port A–H), plus dedicated CAN, SCI, SPI, ADC, and clock interface signals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Primary digital power domain (5 V); separate analog ground (VSSA) and reference pins (VREFH/AVSS) ensure ADC accuracy. |
| OSC1 / OSC2 | Crystal oscillator inputs | Supports external crystal (1–8 MHz) or ceramic resonator; internal amplifier enables low-jitter clock generation. |
| RST | Active-low reset input | Asynchronous external reset; combined with internal POR and LVI for fail-safe initialization. |
| CANTx / CANRx | CAN differential transmitter/receiver | Direct interface to CAN physical layer transceiver; supports dominant/recessive bit timing per ISO 11898-1. |
| PTA0–PTA7 | Port A bidirectional I/O | 8-bit general-purpose port with pull-up enable; configurable as wake-up source in STOP mode. |
| PTB0–PTB7 | Port B with ADC channel mapping | Shares pins with ATD0–ATD7; enables 8-channel 10-bit ADC sampling without external muxing. |
Key Features
| Feature | Design Value |
|---|---|
| Dual EEPROM architecture | Independent 512 B EEPROM-1 and EEPROM-2 modules allow simultaneous read/write and firmware-safe parameter updates. |
| MSCAN08 CAN controller | Hardware-accelerated CAN 2.0A/B with 16 message buffers, programmable acceptance filters, and automatic retransmission. |
| Programmable PLL clock generator | Configurable multiplication factor (×1 to ×32) and bandwidth modes enable precise bus clock tuning from 1–8 MHz crystals. |
| Low-voltage inhibit (LVI) | Detects supply drops below 4.2 V (typ.) and triggers hardware reset to prevent erratic code execution during brownout. |
| Computer Operating Properly (COP) | Watchdog timer with selectable timeout (0.5 ms to 1.0 s); resets MCU if software fails to service it within window. |
| STOP/WAIT low-power modes | STOP mode draws <10 µA (typ.) while retaining RAM and register contents; wake-up via IRQ, KBI, or reset. |
Applications
| Body Control Module (BCM) | Door Module Controller |
|---|---|
Use Scenario: Centralized management of lighting, window lifts, mirror adjustment, and door lock actuation in passenger vehicles. IC Role / Device Role / Timing Role: Primary MCU executing CAN-based command arbitration, sensor polling (switches, Hall effect), and PWM motor control. Use Value: Dual EEPROM enables persistent storage of user preferences (e.g., mirror position) with >100k write cycles; MSCAN08 ensures interoperability with vehicle-wide CAN backbone. |
Use Scenario: Local control unit inside vehicle door housing, managing window regulator, power lock, and anti-pinch detection. IC Role / Device Role / Timing Role: Real-time executor of safety-critical window motion profiles using ADC feedback and timer-based PWM. Use Value: 40 MHz bus speed supports sub-millisecond response to switch inputs; STOP mode enables ultra-low quiescent current (<10 µA) when door is closed and inactive. |
| Roof Module (Sunroof/Convertibles) | Seat Position Memory System |
Use Scenario: Control of sunroof glass/motorized shade movement, pinch detection, and rain-sensing auto-close logic. IC Role / Device Role / Timing Role: Safety-critical motion controller interfacing with potentiometers, limit switches, and motor drivers via GPIO and PWM. Use Value: Integrated 10-bit ADC (8 channels) directly samples analog position sensors; dual EEPROM stores calibrated end-stop values across lifetime. |
Use Scenario: Storing and recalling driver seat position (fore/aft, height, lumbar) based on key-fob ID or button press. IC Role / Device Role / Timing Role: Nonvolatile configuration manager communicating over CAN to central BCM and reading EEPROM-stored profiles. Use Value: Independent EEPROM-1/EEPROM-2 blocks allow background profile writes without interrupting active seat motion control loops. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC908AZ60ACFUE | Same HCS08 core and memory map, but includes additional analog features: 12-bit ADC (vs. 10-bit), extra I/O pins (Port G/H extended), and enhanced voltage regulator. | Preferred for designs requiring higher-resolution sensor acquisition or expanded peripheral routing; not pin-compatible due to different pin count (80-pin vs. 64-pin). | Select MC908AZ60ACFUE only if higher ADC resolution or additional I/O is required; verify PCB layout compatibility. |
| S9KEAZN64AMLH | Kinetis E-series ARM Cortex-M0+ MCU with 64 KB FLASH, 8 KB RAM, and CAN FD support; requires different toolchain and boot process. | Targets next-generation automotive nodes needing CAN FD bandwidth or RTOS scalability; lacks native HCS08 code compatibility. | Choose S9KEAZN64AMLH for future-proofing or CAN FD migration; avoid for drop-in replacement of legacy HCS08 firmware. |
Compared with MC908AZ60ACFUE, the MC908AS60ACFUE offers identical CAN and EEPROM functionality in a smaller 64-pin footprint but trades off ADC resolution and I/O count; versus S9KEAZN64AMLH, it delivers proven HCS08 toolchain continuity and lower gate count for cost-sensitive body electronics.
Availability
MC908AS60ACFUE is available at Aetrix Electronics and suitable for automotive body control modules, door module controllers, and roof/sunroof actuation systems requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualification.
Supply support for MC908AS60ACFUE 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
Freescale Semiconductor (now part of NXP Semiconductors) is a global leader in automotive and industrial microcontrollers, known for robust silicon design and automotive-grade reliability.
The MC908AS60ACFUE belongs to the HCS08 family, engineered specifically for cost-optimized, CAN-enabled automotive body electronics where deterministic real-time performance and EEPROM durability are critical.
FAQ
What is the maximum operating frequency of the MC908AS60ACFUE?
The MC908AS60ACFUE achieves a maximum bus frequency of 40 MHz using its internal PLL clock generator. This is derived from an external crystal (1–8 MHz) multiplied by a programmable factor (up to ×32). The PLL supports both manual and automatic bandwidth modes to optimize jitter and lock time for specific crystal tolerances. MC908AS60ACFUE maintains full functionality-including CAN, ADC, and EEPROM operations-at this rated speed.
Does the MC908AS60ACFUE support CAN FD?
No, the MC908AS60ACFUE integrates the MSCAN08 controller, which complies strictly with CAN 2.0A/B (ISO 11898-1) and does not support CAN FD features such as flexible data-rate or extended data length. It operates at up to 1 Mbit/s in classic CAN mode. For CAN FD requirements, designers should consider NXP's S32K or Kinetis E-series alternatives-not MC908AS60ACFUE.
How many EEPROM modules does the MC908AS60ACFUE have, and what is their capacity?
The MC908AS60ACFUE contains two independent EEPROM modules: EEPROM-1 and EEPROM-2, each with 512 bytes of nonvolatile storage. They feature separate control registers, timebase dividers, and block protection schemes, enabling concurrent access and wear-leveling strategies. This architecture allows one module to be written while the other is read-critical for reliable parameter logging in automotive applications using MC908AS60ACFUE.
What low-power modes are supported by the MC908AS60ACFUE?
The MC908AS60ACFUE supports WAIT and STOP low-power modes. In WAIT mode, the CPU halts while peripherals remain active; in STOP mode, clocks are gated and current drops to <10 µA (typ.), retaining RAM and register contents. Wake-up is possible via IRQ, keyboard interrupt (KBI), or reset. These modes are essential for battery-powered automotive modules where MC908AS60ACFUE must meet stringent quiescent current targets.
Is the MC908AS60ACFUE pin-compatible with the MC908AZ60ACFUE?
No, the MC908AS60ACFUE (64-pin LQFP) is not pin-compatible with the MC908AZ60ACFUE (80-pin LQFP). Although both share the same HCS08 core and memory architecture, the AZ60 variant adds Port G/H pins, extra ADC channels, and enhanced voltage regulation-requiring a different PCB layout. Migration from MC908AS60ACFUE to MC908AZ60ACFUE necessitates board redesign, not just firmware update.
MC908AS60ACFUE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-QFP
- Series:
- HC08
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- HC08
- Core Size:
- 8-Bit
- Speed:
- 8.4MHz
- Connectivity:
- CANbus, SCI, SPI
- Peripherals:
- LVD, POR, PWM
- Number of I/O:
- 52
- Program Memory Size:
- 60KB (60K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1K x 8
- RAM Size:
- 2K x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 15x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC908AS60ACFUE FAQ
1.How can I place an order for MC908AS60ACFUE through Aetrix?
Please submit a Request for Quotation (RFQ) for MC908AS60ACFUE 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 MC908AS60ACFUE reliable?
The price and inventory of MC908AS60ACFUE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC908AS60ACFUE is usually 5 days.
3.What payment methods are accepted for MC908AS60ACFUE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC908AS60ACFUE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC908AS60ACFUE?
MC908AS60ACFUE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC908AS60ACFUE 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 MC908AS60ACFUE?
For technical support, including MC908AS60ACFUE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC908AS60ACFUE requirements.
6.How does Aetrix verify that MC908AS60ACFUE is sourced from the original manufacturer or authorized distributors?
All MC908AS60ACFUE 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 MC908AS60ACFUE meets industry standards.
7.What is the process for return or replacement of MC908AS60ACFUE?
All MC908AS60ACFUE units undergo pre-shipment inspection (PSI). If there is an issue with MC908AS60ACFUE, 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 MC908AS60ACFUE part is unused and in its original packaging.
Return procedure for MC908AS60ACFUE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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