MC908AP16CFBER528 - 8-bit HC08 MCU, 16KB Flash, 8MHz | NXP
MPN： MC908AP16CFBER528 ✗ 停產MC908AP16CFBER528 概覽
What is an HC08 microcontroller? An HC08 is an 8-bit CISC microcontroller family originally developed by Motorola and now maintained by NXP Semiconductors as part of the Freescale legacy portfolio. The HC08 architecture is a low-power, fully static CMOS design featuring a von Neumann memory map, on-chip Flash, RAM, timers, multiple serial interfaces, and analog peripherals. It belongs to the broader hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> HC08 family -> M68HC08AP16 sub-family. HC08 microcontrollers are widely used in industrial, automotive, and consumer applications because of their deterministic instruction set, ease of in-circuit programming, and broad legacy code base.
Key features of the MC908AP16CFBER528 include 16KB of on-chip Flash memory, a 10-bit analog-to-digital converter (ADC), an internal oscillator, multiple timers, and serial communication peripherals. The 8-bit data path operates with an internal bus clock derived from the on-chip oscillator, allowing simple clock-less designs or external crystal operation. Integrated peripherals reduce external component count, and the HC08 instruction set supports BCD arithmetic and bit-manipulation instructions useful for control loops.
The part is built on a CMOS process that balances static power consumption and analog performance. The 10-bit ADC with sample-and-hold delivers usable conversion resolution for sensor signal conditioning, while dedicated timers support PWM generation and event capture for motor or power-control loops. The integration of Flash and RAM on the same die simplifies PCB layout and improves EMI behavior compared to external-memory designs.
Typical applications for the MC908AP16CFBER528 include industrial control modules, building automation sensor nodes, automotive body electronics (non-safety), appliance control boards, and simple user-interface panels. The 16KB Flash budget accommodates moderate state machines with protocol stacks like LIN or UART-based command interfaces. The 10-bit ADC covers temperature, voltage, and current sensing without an external ADC.
When designing with this device, allocate Flash for both code vectors and a small boot/loader region if in-field firmware update is required. Ensure the ADC acquisition time respects the source impedance and add an input buffer when driving high-impedance sensors. Verify that the chosen compiler and linker support the HC08 core; legacy CodeWarrior HC08 toolchains remain available through NXP and third parties.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet - supporting faster sourcing decisions for projects that still rely on the M68HC08 platform.
直接替換替代品，適用於 MC908AP16CFBER528 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MC908AP16CFBER528 （相同外形與佔位） — 差異在於 ADC, Package, Core, Family, Peripherals.
MC908AP64CFAER528
✅ 直接替換聯絡詢價
查看資料表 →MC908AP16CFBE
✅ 直接替換聯絡詢價
查看資料表 →MC908AP16CFBER
✅ 直接替換📋 參考替代品（不在目錄中）
MC908AP32CFBER
✅ 直接替換📋 參考替代品（不在目錄中）
MC908AP8CFBER
✅ 直接替換📋 參考替代品（不在目錄中）
MC908AP16CFBER528 最大額定值與電氣特性
| Core Architecture | HC08 (CISC, 8-bit) |
| Program Memory | 16 KB Flash |
| Maximum Bus Frequency | 8 MHz |
| ADC | 10-bit, multiplexed input channels |
| Timers | Multiple 16-bit timer channels |
| 封裝 | 44-pin QFP (10x10 mm) |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
| Lead-Free | Yes |
| Family | M68HC08AP16 |
MC908AP16CFBER528 44-pin qfp (10x10 mm) 腳位配置指南
MC908AP16CFBER528（44-pin qfp (10x10 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： MC908AP16CFBER528.
請參閱 資料表 以查看完整腳位配置。
典型應用
MC908AP16CFBER528 適用於 6 應用s: Industrial Sensor Interface Modules, Appliance Control Boards, Building Automation Sensor Nodes, Automotive Body Electronics (Non-Safety), User Interface Panels (HMI Lite), Legacy Industrial Control Replacements.
Industrial Sensor Interface Modules
The MC908AP16CFBER528 fits industrial sensor-interface modules that need a reliable 8-bit MCU with integrated 10-bit ADC and modest Flash. With 16KB Flash, the device accommodates small protocol stacks (Modbus RTU or LIN slave) and sensor calibration tables without external memory. The 10-bit ADC handles temperature, voltage, and 4-20 mA current-loop sensing with sufficient resolution for industrial-grade transducers. The QFP-44 10x10 mm package supports hand-rework during prototyping and provides a robust industrial-assembly footprint. Designers should budget Flash for both application code and a small bootloader region if in-field firmware updates are required for long-life industrial installations.
推薦
Appliance Control Boards
The MC908AP16CFBER528 is well-matched to white-goods and small-appliance control boards where the 8-bit HC08 core, 16KB Flash, and integrated 10-bit ADC cover the full sense/control loop. The MCU's timer channels drive TRIAC or relay-based load control for washing-machine valves, oven elements, or dishwasher pumps. The on-chip ADC reads NTC temperature sensors and motor current shunt voltages. Static CMOS design minimizes standby power, important for ENERGY STAR-rated appliances. The HC08 instruction set supports bit-manipulation common in relay-debounce and triac-zero-crossing routines that have shipped for decades in this segment.
推薦
Building Automation Sensor Nodes
The MC908AP16CFBER528 supports building-automation sensor nodes, including HVAC zone controllers, occupancy detectors, and lighting dimmers. The HC08's deterministic interrupt response suits the timing requirements of DALI/0-10V dimming interfaces and BACnet MS/TP token passing. The 16KB Flash budget stores communication stacks and configuration parameters; the 10-bit ADC reads light-level, temperature, and humidity sensors. The QFP-44 package is easy to assemble on multi-layer building-automation PCBs that mix digital MCU logic with analog sensor signal conditioning. The NXP legacy supply chain via Rochester Electronics keeps legacy building-management installations serviceable.
推薦
Automotive Body Electronics (Non-Safety)
Although not AEC-Q100 qualified, the MC908AP16CFBER528 has been widely deployed in automotive body-electronics sub-modules such as seat controllers, mirror adjusters, and interior lighting drivers. The 10-bit ADC reads potentiometer positions and current sense, while timers generate PWM signals for LED dimming and motor speed control. The 16KB Flash holds LIN slave stacks for body-domain networks. For new automotive designs, AEC-Q100-qualified S12 or Kinetis KE parts are recommended; the MC908AP16CFBER528 continues to serve legacy service and aftermarket needs.
推薦
User Interface Panels (HMI Lite)
The MC908AP16CFBER528 fits low-cost HMI panels that drive 7-segment displays, keypads, and rotary encoders. The 16KB Flash holds menu state machines and button-debounce logic; the 10-bit ADC reads analog inputs from potentiometers or resistive touch overlays. GPIO ports drive LED indicators and scan matrix keypads. The HC08's BCD-arithmetic and bit-handling instructions simplify the code for multiplexed display refresh and switch-matrix scanning. The QFP-44 footprint fits the multi-layer PCBs typical of small user-interface panels.
推薦
Legacy Industrial Control Replacements
The MC908AP16CFBER528 is a primary candidate for legacy industrial control replacements where M68HC05 or M68HC11 devices have gone obsolete. The HC08 family offers instruction-set and toolchain compatibility with older M68HC05 designs while adding Flash reprogrammability. The 10-bit ADC supports replacement of separate analog front-ends, lowering BOM cost. The 16KB Flash matches firmware originally written for HC05 16KB OTP/ROM parts, enabling direct code reuse. For long-term maintenance and refurbishment programs, Rochester Electronics maintains stock for service contracts.
推薦
推薦產品摘要
工程參考資料，適用於 MC908AP16CFBER528 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MC908AP64CFAER528 | MC908AP16CFBE | MC908AP16CFBER | MC908AP32CFBER | MC908AP8CFBER |
|---|---|---|---|---|---|---|
| Package | QFP-44 (10x10 mm) | QFP-44 (10x10 mm) - same | QFP-44 (10x10 mm) - same | QFP-44 (10x10 mm) - same | QFP-44 (10x10 mm) - same | QFP-44 (10x10 mm) - same |
| 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) | HC08 (8-bit) | HC08 (8-bit) |
| Flash Memory | 16 KB | 64 KB | 16 KB | 16 KB | 32 KB | 8 KB |
| Maximum Bus Frequency | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz |
| ADC | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND |
| RoHS Compliance | Yes | Yes | Yes | Yes | Yes | Yes |
主要差異化特點
- Compact 16KB Flash position in the M68HC08AP16 family (對比MC908AP64CFAER528)
- Standard tape-and-reel packaging with NXP lead-finish code 528 (對比MC908AP16CFBE)
- Drop-in compatible with the entire AP8/AP16/AP32/AP64 family (對比MC908AP8CFBER)
設計說明
The HC08 core requires a stable VDD with a decoupling capacitor placed within 5 mm of each power pin. Use a 100 nF X7R ceramic in parallel with a 4.7 uF bulk capacitor on the main VDD rail. For battery-backed operation, ensure VDD ramp-up meets the HC08 minimum voltage-rise time specified in the datasheet. [DATA_NEEDED: minimum VDD operating voltage] is not in the verified distributor data; consult the M68HC908AP16 datasheet before finalizing the power tree.
QFP-44 10x10 mm packages have 0.8 mm pitch leads; route signals on inner layers to escape the fine-pitch perimeter. Use a 4-layer stack-up with a continuous ground plane directly under the MCU to minimize EMI. Keep ADC analog traces short and routed away from PWM/timer outputs to reduce coupling into the analog reference. Place the external oscillator (if used) within 5 mm of the OSC pins and guard it with a ground ring.
Do not assume 16KB Flash remains fully usable for application code; the HC08 reserves vectors and a Flash configuration field at the top of the address space, leaving slightly less than 16 KB for user code. [DATA_NEEDED: exact user-Flash size after reserved regions] is not in the provided distributor data - verify with the M68HC908AP16 memory map before committing to firmware size. Use the HC08 inhibit/Flash-protection bits to secure bootloader regions per application notes.
The 10-bit ADC achieves best results when the source impedance is below 10 kohm; add an op-amp buffer for high-impedance sensors such as small NTC thermistor dividers. Use a dedicated AGND pin and route analog/digital grounds in a star configuration back to the MCU. Decouple the ADC reference pin with 100 nF plus 1 uF ceramic if an external reference is used.
合規資訊
RoHS compliant per LCSC product listing. Not AEC-Q100 qualified - not suitable for new automotive safety designs. REACH, halogen-free, and conflict-minerals declarations were not present in the verified distributor data and remain unknown.
