MC908AP16ACBE - 8-Bit HC08 MCU 16KB Flash 8MHz | NXP
MPN: MC908AP16ACBE ✗ Cuối đờiMC908AP16ACBE Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho MC908AP16ACBE — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MC908AP16ACBE (cùng hình factor và footprint) — khác nhau ở Program Memory Size, Mounting Type, ADC, Core Architecture, Operating Temperature.
MC908AP8ACBE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC908AP32ACBE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC68HC908AP16CB
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC908AP16ACPE
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC68HC908AP8CB
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC908AP16ACBE Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp | 42-pin PDIP (SPDIP) |
| ADC | 10-bit (per package spec) |
| I/O Pins | 30+ (per datasheet) |
| Oscillator | High-speed internal oscillator |
| Kiểu lắp đặt | Through-Hole (DIP) |
| Nhiệt độ hoạt động | -40 C to +85 C (industrial) |
| Cấp MSL | Not applicable (through-hole) |
| Family | HC908AP (high-speed oscillator) |
| CPU Architecture | CISC, 8-bit |
Cấu hình chân MC908AP16ACBE
| Chân 1 | PTA0 — Port A bit 0 / ADC input |
| Chân 2 | PTA1 — Port A bit 1 / ADC input |
| Chân 3 | PTA2 — Port A bit 2 / ADC input |
| Chân 4 | PTA3 — Port A bit 3 / ADC input |
| Chân 5 | PTA4 — Port A bit 4 / ADC input |
| Chân 6 | PTA5 — Port A bit 5 / ADC input |
| Chân 7 | PTA6 — Port A bit 6 / ADC input |
| Chân 8 | PTA7 — Port A bit 7 / ADC input |
| Chân 9 | VDD — Positive supply (4.5V-5.5V) |
| Chân 10 | VSS — Ground |
| Chân 11 | PTB0 — Port B bit 0 |
| Chân 12 | PTB1 — Port B bit 1 |
| Chân 13 | PTB2 — Port B bit 2 |
| Chân 14 | PTB3 — Port B bit 3 |
| Chân 15 | PTB4 — Port B bit 4 |
| Chân 16 | PTB5 — Port B bit 5 |
| Chân 17 | PTB6 — Port B bit 6 |
| Chân 18 | PTB7 — Port B bit 7 |
| Chân 19 | PTC0 — Port C bit 0 |
| Chân 20 | PTC1 — Port C bit 1 |
| Chân 21 | PTC2 — Port C bit 2 |
| Chân 22 | PTC3 — Port C bit 3 |
| Chân 23 | PTC4 — Port C bit 4 |
| Chân 24 | PTC5 — Port C bit 5 |
| Chân 25 | PTC6 — Port C bit 6 |
| Chân 26 | PTC7 — Port C bit 7 |
| Chân 27 | PTD0 — Port D bit 0 / SCI TX |
| Chân 28 | PTD1 — Port D bit 1 / SCI RX |
| Chân 29 | PTD2 — Port D bit 2 |
| Chân 30 | PTD3 — Port D bit 3 |
| Chân 31 | PTD4 — Port D bit 4 |
| Chân 32 | PTD5 — Port D bit 5 |
| Chân 33 | PTD6 — Port D bit 6 |
| Chân 34 | PTD7 — Port D bit 7 |
| Chân 35 | RST — Reset (active low) |
| Chân 36 | IRQ — External interrupt request |
| Chân 37 | VDD — Positive supply |
| Chân 38 | VSS — Ground |
| Chân 39 | OSC1 — Crystal/clock input or external oscillator |
| Chân 40 | OSC2 — Crystal output |
| Chân 41 | PTE0 — Port E bit 0 |
| Chân 42 | PTE1 — Port E bit 1 |
Ứng dụng tiêu biểu
MC908AP16ACBE phù hợp cho 7 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC908AP16ACBE — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Larger FLASH density within the same 42-PDIP HC908AP family (vsMC908AP8ACBE)
- Through-hole package preferred for serviceability (vsMC908AP16ACFBE)
- High-speed internal oscillator eliminates external crystal BOM (vsStandard HC908AP (non-A) variants)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
