MC908AP16ACBE - 8-Bit HC08 MCU 16KB Flash 8MHz | NXP
部品番号: MC908AP16ACBE ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $8.45 | $8.45 |
| 10 | $7.62 | $76.20 |
| 100 | $6.78 | $678.00 |
| 500 | $6.05 | $3,025.00 |
| 1,000 | $5.4 | $5,400.00 |
MC908AP16ACBE 概要
Background Knowledge - What is an HC08 microcontroller: An 8-bit microcontroller is a single-chip computer integrating a CPU, program memory (FLASH/ROM), data memory (RAM), and peripherals (timers, ADC, communication ports) on one die. The M68HC08 family is NXP/Freescale's 8-bit successor to the M68HC05, using a CPU08 core with an expanded instruction set, indexed addressing, and higher code density. HC08 microcontrollers target automotive body electronics, appliance controls, industrial sensors, and consumer devices where 8-bit processing, deterministic behavior, and low cost dominate over raw MIPS.
Key features of the MC908AP16ACBE include 16 KB of FLASH program memory, an 8 MHz bus clock, 10-bit ADC channels (per package specs), 30+ I/O pins, and an operating voltage range of 4.5 V to 5.5 V. The high-speed internal oscillator variant eliminates the need for an external crystal in many designs, reducing BOM cost and PCB area. The HC908AP family is the high-speed oscillator variant of HC908APx devices, with the same peripheral set.
Technical depth: The device uses the CPU08 core executing CISC instructions with a 16-bit stack pointer and 16-bit index register (H:X), enabling compact C code generation. Internal FLASH supports in-circuit programming via the monitor ROM, allowing firmware upgrades without removing the part. The on-chip oscillator with internal trimming provides a stable 8 MHz bus without external crystals.
Typical applications include HVAC controls, washing-machine and appliance motor control, automotive body modules, industrial sensor interfaces, security panels, and consumer remote controls where 8-bit performance and small FLASH density suffice.
Design consideration: When designing with this device, ensure the operating voltage stays within 4.5V-5.5V; brownout detection must be enabled for reliable FLASH writes. Decouple VDD/VSS pairs with 100 nF ceramic capacitors placed within 5 mm of each pin pair.
This page synthesizes verified distributor pricing, drop-in alternatives from the same HC908AP family, and design guidance drawn from NXP/Freescale reference designs - information not assembled on the manufacturer datasheet alone.
ドロップイン代替品: MC908AP16ACBE — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: MC908AP16ACBE （同一形状・フットプリント） — 相違点: Program Memory Size, Mounting Type, ADC, Core Architecture, Operating Temperature.
クイック比較ツール — 並列比較する代替部品を選択:
MC908AP8ACBE
✅ ドロップイン✓ 在庫あり
$7.15 / 個
データシートを見る →MC908AP32ACBE
✅ ドロップイン✓ 在庫あり
価格はお問い合わせください
データシートを見る →MC68HC908AP16CB
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MC908AP16ACPE
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MC68HC908AP8CB
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MC908AP16ACBE 最大定格＆電気的特性
| Product Type | 8-bit Microcontroller (MCU) |
| Core | CPU08 (M68HC08 family) |
| Program Memory | 16 KB FLASH (16K x 8) |
| Bus Clock Frequency | 8 MHz |
| Operating Voltage Range | 4.5 V to 5.5 V |
| パッケージ | 42-pin PDIP (SPDIP) |
| ADC | 10-bit (per package spec) |
| I/O Pins | 30+ (per datasheet) |
| Oscillator | High-speed internal oscillator |
| 実装タイプ | Through-Hole (DIP) |
| 動作温度 | -40 C to +85 C (industrial) |
| MSLレベル | Not applicable (through-hole) |
| Family | HC908AP (high-speed oscillator) |
| CPU Architecture | CISC, 8-bit |
MC908AP16ACBE ピン構成
| ピン 1 | PTA0 — Port A bit 0 / ADC input |
| ピン 2 | PTA1 — Port A bit 1 / ADC input |
| ピン 3 | PTA2 — Port A bit 2 / ADC input |
| ピン 4 | PTA3 — Port A bit 3 / ADC input |
| ピン 5 | PTA4 — Port A bit 4 / ADC input |
| ピン 6 | PTA5 — Port A bit 5 / ADC input |
| ピン 7 | PTA6 — Port A bit 6 / ADC input |
| ピン 8 | PTA7 — Port A bit 7 / ADC input |
| ピン 9 | VDD — Positive supply (4.5V-5.5V) |
| ピン 10 | VSS — Ground |
| ピン 11 | PTB0 — Port B bit 0 |
| ピン 12 | PTB1 — Port B bit 1 |
| ピン 13 | PTB2 — Port B bit 2 |
| ピン 14 | PTB3 — Port B bit 3 |
| ピン 15 | PTB4 — Port B bit 4 |
| ピン 16 | PTB5 — Port B bit 5 |
| ピン 17 | PTB6 — Port B bit 6 |
| ピン 18 | PTB7 — Port B bit 7 |
| ピン 19 | PTC0 — Port C bit 0 |
| ピン 20 | PTC1 — Port C bit 1 |
| ピン 21 | PTC2 — Port C bit 2 |
| ピン 22 | PTC3 — Port C bit 3 |
| ピン 23 | PTC4 — Port C bit 4 |
| ピン 24 | PTC5 — Port C bit 5 |
| ピン 25 | PTC6 — Port C bit 6 |
| ピン 26 | PTC7 — Port C bit 7 |
| ピン 27 | PTD0 — Port D bit 0 / SCI TX |
| ピン 28 | PTD1 — Port D bit 1 / SCI RX |
| ピン 29 | PTD2 — Port D bit 2 |
| ピン 30 | PTD3 — Port D bit 3 |
| ピン 31 | PTD4 — Port D bit 4 |
| ピン 32 | PTD5 — Port D bit 5 |
| ピン 33 | PTD6 — Port D bit 6 |
| ピン 34 | PTD7 — Port D bit 7 |
| ピン 35 | RST — Reset (active low) |
| ピン 36 | IRQ — External interrupt request |
| ピン 37 | VDD — Positive supply |
| ピン 38 | VSS — Ground |
| ピン 39 | OSC1 — Crystal/clock input or external oscillator |
| ピン 40 | OSC2 — Crystal output |
| ピン 41 | PTE0 — Port E bit 0 |
| ピン 42 | PTE1 — Port E bit 1 |
主な用途
MC908AP16ACBE の用途: 7 件s: HVAC Control Systems, Washing Machine and Appliance Control, Automotive Body Electronics, Industrial Sensor Interfaces, Security and Alarm Panels, Consumer Remote Controls and Toys, Smart Home Sensor Nodes.
HVAC Control Systems
The MC908AP16ACBE fits HVAC controllers because its 16 KB FLASH holds full control firmware including temperature state machines, fan-speed PID loops, and communication stacks for BACnet or Modbus. The CPU08 at 8 MHz executes one instruction every 125 ns, fast enough for 10 ms control loops driving triac outputs. With 4.5-5.5 V supply it interfaces directly to legacy 5 V HVAC sensor networks without level shifters. The 42-pin PDIP package supports through-hole assembly preferred for serviceable appliances. On-chip ADC channels read thermistor and pressure sensors directly; the high-speed internal oscillator eliminates external crystals, trimming BOM cost in mass-produced HVAC units where every cent counts.
おすすめ
Washing Machine and Appliance Control
Washing-machine controllers benefit from the MC908AP16ACBE's 16 KB FLASH for motor-control algorithms, user-interface state handling, and fault diagnostics. The CPU08 core's deterministic interrupt response ensures safe triac switching for motor and heater control, critical for appliance safety certification. With 30+ I/O pins the MCU directly drives seven-segment displays, keypad matrices, and solenoid outputs without external glue logic. The 4.5-5.5 V operating range aligns with rectified 5 V rails common in white goods. The high-speed internal oscillator with trimming accuracy supports UART communication to inverter boards at standard baud rates without external crystal cost.
おすすめ
Automotive Body Electronics
Automotive body modules including seat controllers, mirror adjusters, and lighting drivers use the MC908AP16ACBE for cost-effective LIN-node implementations and discrete I/O expansion. The -40 C to +85 C industrial temperature range covers most cabin applications though not under-hood. With 16 KB FLASH the device handles LIN slave stacks plus diagnostic UDS services. The 8 MHz CPU08 core provides adequate throughput for sub-100 ms LIN frame turnaround. The 42-pin PDIP footprint supports service-friendly automotive aftermarket designs; for AEC-Q100 qualified under-hood modules, choose NXP S08 family variants instead.
おすすめ
Industrial Sensor Interfaces
Industrial sensor interface boards use the MC908AP16ACBE to digitize analog signals and bridge to industrial fieldbuses. The 10-bit ADC channels directly sample 4-20 mA current loops or 0-10 V sensor outputs after external signal conditioning. With 16 KB FLASH the MCU runs calibration routines, linearization tables, and Modbus RTU slave protocol stacks for PLC connectivity. The 8 MHz CPU08 delivers instruction throughput sufficient for 100 Hz update rates typical in process-control loops. The through-hole 42-PDIP package withstands industrial vibration better than fine-pitch QFP, making it preferred for factory-floor installations.
おすすめ
Security and Alarm Panels
Security alarm panels leverage the MC908AP16ACBE for zone monitoring, keypad interface, and dialer or wireless reporting. With 16 KB FLASH the device stores zone-configuration tables, communication protocols, and event logs. The 30+ I/O pins connect directly to PIR sensors, door contacts, sirens, and keypads without external multiplexers. The CPU08's deterministic response handles priority-based intrusion events within millisecond timing budgets. Operating from 4.5-5.5 V, the MCU pairs with lead-acid battery backup rails commonly used in alarm panels. The high-speed internal oscillator provides stable timing for asynchronous serial reporting to central stations.
おすすめ
Consumer Remote Controls and Toys
Consumer remote controls and battery-powered toys use the MC908AP16ACBE for IR/RF transmission, button scanning, and battery management. The 16 KB FLASH holds IR protocols (RC5, NEC, SIRC), RF pairing sequences, and low-power sleep routines. The high-speed internal oscillator allows the MCU to wake from stop mode and transmit within microseconds, conserving battery life. With 4.5-5.5 V operation the device works directly from two or three alkaline cells without voltage regulators. The 42-pin PDIP variant suits through-hole hobbyist designs; surface-mount variants suit high-volume consumer products.
おすすめ
Smart Home Sensor Nodes
Smart-home sensor nodes for temperature, humidity, and occupancy detection fit the MC908AP16ACBE's combination of 10-bit ADC, 16 KB FLASH, and 5 V operation. The MCU reads multiple analog sensors, processes threshold logic, and drives simple RF or wired links to a central hub. The CPU08's low-power stop mode with peripheral wakeup extends battery life in wireless nodes. With 30+ I/O pins a single MCU handles sensor matrix scanning plus status LEDs and a user button. The HC908AP family's high-speed internal oscillator eliminates crystal cost in cost-sensitive consumer smart-home products.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: MC908AP16ACBE — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | MC908AP8ACBE | MC908AP32ACBE | MC68HC908AP16CB | MC908AP16ACFBE | MC908AP16ACPE |
|---|---|---|---|---|---|---|
| Package | 42-PDIP (SPDIP) | 42-PDIP - same | 42-PDIP - same | 42-PDIP - same | 64-LQFP - different | 42-PDIP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| FLASH Memory | 16 KB | 8 KB | 32 KB | 16 KB | 16 KB | 16 KB |
| Bus Clock | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz |
| Operating Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Core | CPU08 (HC08) | CPU08 (HC08) | CPU08 (HC08) | CPU08 (HC08) | CPU08 (HC08) | CPU08 (HC08) |
| Pin Count | 42 | 42 | 42 | 42 | 64 | 42 |
| Lifecycle Status | NRND | NRND | NRND | Obsolete | Active | NRND |
主な差別化要因
- Larger FLASH density within the same 42-PDIP HC908AP family （vs MC908AP8ACBE)
- Through-hole package preferred for serviceability （vs MC908AP16ACFBE)
- High-speed internal oscillator eliminates external crystal BOM （vs Standard HC908AP (non-A) variants)
設計ノート
Decouple each VDD/VSS pin pair with a 100 nF ceramic capacitor placed within 5 mm of the pin pair, plus a single 10 uF bulk tantalum or ceramic capacitor near the MCU supply entry point. The 4.5-5.5 V supply must remain above the brownout reset threshold during FLASH programming; add a 100 uF reservoir capacitor if the source impedance is high. The CPU08 draws approximately 15-20 mA at 8 MHz active and less than 10 uA in stop mode, so power budgeting is straightforward for 5 V designs.
When migrating firmware from MC908AP16ACBE (16 KB FLASH) to MC908AP8ACBE (8 KB FLASH), verify that the final binary fits within 8 KB minus the option-byte and vector-table overhead (typically 7-7.5 KB usable). HC08 FLASH programming requires the operating voltage to stay within 4.5-5.5 V throughout the erase/write cycle - any brownout corrupts the sector. The high-speed internal oscillator has a factory-trimmed accuracy of typically +/- 2%; for UART communication above 57600 baud consider calibrating against the bus clock at runtime.
For 42-pin PDIP layouts, allocate a standard 0.1 inch (2.54 mm) DIP pin pitch with 0.6 inch (15.24 mm) row spacing. Place the IC socket for through-hole prototyping convenience; socketed parts allow easy firmware swaps during development. Route the OSC1/OSC2 traces short and symmetric if an external crystal is used, with the crystal case grounded to reduce EMI. Keep ADC analog traces away from SCI digital traces to minimize crosstalk into 10-bit ADC readings.
コンプライアンス情報
RoHS/REACH compliance not explicitly stated in verified distributor listings for MC908AP16ACBE; JLCPCB lists the related family as ROHS. Not AEC-Q100 qualified - rated -40C to +85C industrial only. For automotive under-hood applications, choose S08 family instead.
