MC908AP16ACBE - 8-Bit HC08 MCU 16KB Flash 8MHz | NXP
料号： MC908AP16ACBE ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： MC908AP16ACBE ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MC908AP16ACBE （相同外形与封装尺寸） ——差异在于 Program Memory Size, Mounting Type, ADC, Core Architecture, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
MC908AP8ACBE
✅ 直接替换✓ 有现货
$7.15 / 个
查看数据手册 →MC908AP32ACBE
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MC68HC908AP16CB
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC908AP16ACPE
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC68HC908AP8CB
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MC908AP16ACBE 最大额定值与电气特性
| 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 |
| 封装 | 42-pin PDIP (SPDIP) |
| ADC | 10-bit (per package spec) |
| I/O Pins | 30+ (per datasheet) |
| Oscillator | High-speed internal oscillator |
| 安装类型 | Through-Hole (DIP) |
| 工作温度 | -40 C to +85 C (industrial) |
| MSL 等级 | Not applicable (through-hole) |
| Family | HC908AP (high-speed oscillator) |
| CPU Architecture | CISC, 8-bit |
MC908AP16ACBE 引脚配置
| 引脚 1 | PTA0 — Port A bit 0 / ADC input |
| 引脚 2 | PTA1 — Port A bit 1 / ADC input |
| 引脚 3 | PTA2 — Port A bit 2 / ADC input |
| 引脚 4 | PTA3 — Port A bit 3 / ADC input |
| 引脚 5 | PTA4 — Port A bit 4 / ADC input |
| 引脚 6 | PTA5 — Port A bit 5 / ADC input |
| 引脚 7 | PTA6 — Port A bit 6 / ADC input |
| 引脚 8 | PTA7 — Port A bit 7 / ADC input |
| 引脚 9 | VDD — Positive supply (4.5V-5.5V) |
| 引脚 10 | VSS — Ground |
| 引脚 11 | PTB0 — Port B bit 0 |
| 引脚 12 | PTB1 — Port B bit 1 |
| 引脚 13 | PTB2 — Port B bit 2 |
| 引脚 14 | PTB3 — Port B bit 3 |
| 引脚 15 | PTB4 — Port B bit 4 |
| 引脚 16 | PTB5 — Port B bit 5 |
| 引脚 17 | PTB6 — Port B bit 6 |
| 引脚 18 | PTB7 — Port B bit 7 |
| 引脚 19 | PTC0 — Port C bit 0 |
| 引脚 20 | PTC1 — Port C bit 1 |
| 引脚 21 | PTC2 — Port C bit 2 |
| 引脚 22 | PTC3 — Port C bit 3 |
| 引脚 23 | PTC4 — Port C bit 4 |
| 引脚 24 | PTC5 — Port C bit 5 |
| 引脚 25 | PTC6 — Port C bit 6 |
| 引脚 26 | PTC7 — Port C bit 7 |
| 引脚 27 | PTD0 — Port D bit 0 / SCI TX |
| 引脚 28 | PTD1 — Port D bit 1 / SCI RX |
| 引脚 29 | PTD2 — Port D bit 2 |
| 引脚 30 | PTD3 — Port D bit 3 |
| 引脚 31 | PTD4 — Port D bit 4 |
| 引脚 32 | PTD5 — Port D bit 5 |
| 引脚 33 | PTD6 — Port D bit 6 |
| 引脚 34 | PTD7 — Port D bit 7 |
| 引脚 35 | RST — Reset (active low) |
| 引脚 36 | IRQ — External interrupt request |
| 引脚 37 | VDD — Positive supply |
| 引脚 38 | VSS — Ground |
| 引脚 39 | OSC1 — Crystal/clock input or external oscillator |
| 引脚 40 | OSC2 — Crystal output |
| 引脚 41 | PTE0 — Port E bit 0 |
| 引脚 42 | PTE1 — Port E bit 1 |
典型应用
MC908AP16ACBE 适用于 7 应用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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： MC908AP16ACBE ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Larger FLASH density within the same 42-PDIP HC908AP family （对比 MC908AP8ACBE)
- Through-hole package preferred for serviceability （对比 MC908AP16ACFBE)
- High-speed internal oscillator eliminates external crystal BOM （对比 Standard HC908AP (non-A) variants)
设计说明
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.
合规信息
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.
