MC908AP64CFAER528 - 8-bit HC08 MCU 64KB Flash 48-LQFP | NXP
Référence : MC908AP64CFAER528 ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $7.5 | $7,50 |
| 10 | $6.8 | $68,00 |
| 100 | $6.1 | $610,00 |
| 500 | $5.45 | $2 725,00 |
| 1 000 | $4.85 | $4 850,00 |
MC908AP64CFAER528 Présentation
What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a small computer-on-a-chip integrating a CPU, program storage (Flash/ROM), working memory (RAM), and a fixed set of peripheral interfaces such as timers, ADC channels, communication ports, and GPIOs onto a single silicon die. Within the broader taxonomy of semiconductors, 8-bit MCUs sit beneath 32-bit microcontrollers and microprocessors; the MC908AP64 belongs to the M68HC08 family, an evolutionary successor to the classic M68HC05 family. The HC08AP family specifically targets low-cost, high-volume automotive body electronics and industrial control applications that benefit from on-chip Flash, a 10-bit ADC, and LIN-friendly timer architecture.
Key features of the MC908AP64CFAER528 include 64KB (64K x 8) Flash program memory, 2KB of on-chip RAM, 32 general-purpose I/O lines, an internal oscillator that eliminates external crystal cost, and a 10-bit successive-approximation ADC with up to 8 input channels. The CPU08 core runs at 8MHz bus frequency and offers an extended instruction set over the older HCO5 core. The 48-LQFP package exposes 32 I/Os to the PCB, providing generous routing flexibility for mixed analog/digital designs while keeping the die footprint compact at 7 x 7 mm.
Typical applications include automotive body control modules (BCMs), instrument clusters, HVAC actuators, LIN slave nodes, white-goods motor control boards, security and alarm panels, and small industrial sensor-conditioning boards. Designers also use the HC08AP64 in low-cost replacement designs for legacy HC05 systems where migration to a higher-end Cortex-M0+ device is not economically justified. The integrated 10-bit ADC with 8 channels is well-matched to resistive-bridge and thermistor analog front-ends typical in appliance and HVAC systems.
When designing with the MC908AP64CFAER528, plan for the part's 5V-tolerant I/O, leave generous decoupling on VDD/VSS pairs (100 nF plus 10 uF bulk), and route the ADC reference pin (VREF) away from switching nodes. The part is well-supported by Freescale/NXP's CodeWarrior HC08 toolchain and P&E Micro's Cyclone/Multilink debug hardware, which simplifies prototype bring-up and in-field firmware updates.
This page synthesizes distributor pricing, same-package drop-in alternatives within the HC08AP family, and practical design notes (oscillator behavior, ADC accuracy, and debug-tool compatibility) that are not consolidated in the manufacturer datasheet alone.
Alternatives de remplacement direct pour MC908AP64CFAER528 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MC908AP64CFAER528 (même facteur de forme et même empreinte) — différant par Package, ADC, Program Memory Size, Core, RAM Size.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC908AP64ACBE
✅ Remplacement direct✓ En stock
$9.45 / unité
Voir la fiche technique →MC908AP32CFBE
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MC908AP16ACBE
✅ Remplacement direct✓ En stock
$5.4 / unité
Voir la fiche technique →MC908AP64CFAER528 Valeurs maximales et caractéristiques électriques
| Family | HC08AP (M68HC08 family) |
| Core | CPU08 (8-bit) |
| Program Memory (Flash) | 64 KB (64K x 8) |
| RAM | 2 KB (2K x 8) |
| CPU Clock Frequency | 8 MHz |
| ADC | 10-bit, 8 channels |
| Number of I/O Pins | 32 |
| Oscillator Type | Internal |
| Boîtier | 48-LQFP (7 x 7 mm) |
| Type de montage | Surface Mount |
| Packaging | Tape & Reel (TR) |
| Peripherals | Timers, SCI, SPI, ADC, KBI (per datasheet) |
| Automotive-Grade Option | Yes (HC908AP64 family supports automotive use) |
Configuration des broches de MC908AP64CFAER528
| Broche 1 | PTA0/TCLK — General-purpose I/O / Timer clock input |
| Broche 2 | PTA1 — General-purpose I/O |
| Broche 3 | PTA2 — General-purpose I/O |
| Broche 4 | PTA3 — General-purpose I/O |
| Broche 5 | PTA4 — General-purpose I/O |
| Broche 6 | PTA5 — General-purpose I/O |
| Broche 7 | PTA6 — General-purpose I/O |
| Broche 8 | PTA7 — General-purpose I/O |
| Broche 9 | VDD — Positive supply voltage |
| Broche 10 | VSS — Ground reference |
| Broche 11 | PTB0/ADC0 — GPIO / ADC channel 0 |
| Broche 12 | PTB1/ADC1 — GPIO / ADC channel 1 |
| Broche 13 | PTB2/ADC2 — GPIO / ADC channel 2 |
| Broche 14 | PTB3/ADC3 — GPIO / ADC channel 3 |
| Broche 15 | PTB4/ADC4 — GPIO / ADC channel 4 |
| Broche 16 | PTB5/ADC5 — GPIO / ADC channel 5 |
| Broche 17 | PTB6/ADC6 — GPIO / ADC channel 6 |
| Broche 18 | PTB7/ADC7 — GPIO / ADC channel 7 |
| Broche 19 | PTC0 — General-purpose I/O |
| Broche 20 | PTC1 — General-purpose I/O |
| Broche 21 | PTC2 — General-purpose I/O |
| Broche 22 | PTC3 — General-purpose I/O |
| Broche 23 | PTC4 — General-purpose I/O |
| Broche 24 | PTC5 — General-purpose I/O |
| Broche 25 | PTC6 — General-purpose I/O |
| Broche 26 | PTC7 — General-purpose I/O |
| Broche 27 | PTD0/TxD — GPIO / SCI transmit |
| Broche 28 | PTD1/RxD — GPIO / SCI receive |
| Broche 29 | PTD2 — General-purpose I/O |
| Broche 30 | PTD3 — General-purpose I/O |
| Broche 31 | PTD4 — General-purpose I/O |
| Broche 32 | PTD5 — General-purpose I/O |
| Broche 33 | PTD6 — General-purpose I/O |
| Broche 34 | PTD7 — General-purpose I/O |
| Broche 35 | VDD — Positive supply voltage |
| Broche 36 | VSS — Ground reference |
| Broche 37 | RST — Reset input (active low) |
| Broche 38 | IRQ — External interrupt request |
| Broche 39 | VREF — ADC reference voltage |
| Broche 40 | OSC1 — Oscillator input / external clock |
| Broche 41 | OSC2 — Oscillator output |
| Broche 42 | PTE0 — General-purpose I/O |
| Broche 43 | PTE1 — General-purpose I/O |
| Broche 44 | PTE2 — General-purpose I/O |
| Broche 45 | PTE3 — General-purpose I/O |
| Broche 46 | PTE4 — General-purpose I/O |
| Broche 47 | PTE5 — General-purpose I/O |
| Broche 48 | PTE6 — General-purpose I/O |
Applications typiques
MC908AP64CFAER528 convient pour 7 applications: Automotive Body Control Module (BCM), HVAC Actuator Control Board, Industrial Sensor Conditioning Board, Security and Alarm Panel, White Goods Motor Control (Washing Machine / Dishwasher), LIN Slave Node (Automotive Sub-Bus), Small Consumer Electronics Mainboard.
Automotive Body Control Module (BCM)
The MC908AP64CFAER528's 64 KB Flash, 8-channel 10-bit ADC, and 32 GPIO make it well-suited to automotive body control modules that aggregate door-lock switches, lighting drivers, and analog sense inputs. The internal oscillator removes the external crystal, freeing board area, while the HC08AP family's LIN-friendly timer module and SCI peripheral allow direct connection to a BCM-LIN node. Estimated: with 32 I/O and a 10-bit ADC over a 5 V rail, the part can digitize up to 8 sensor channels at ~10 kSPS aggregate, sufficient for thermistor and switch-sense sampling. Compared to migrating to Kinetis, this part retains legacy HC08 firmware investment, lowering NRE cost for low-volume BCM derivatives.
Recommandé
HVAC Actuator Control Board
For HVAC damper and blower-speed controllers, the MC908AP64CFAER528 offers 32 GPIO for triac/PWM drive and switch matrix, plus a 10-bit ADC for thermistor temperature feedback. The HC08AP family's 8 MHz bus gives roughly 8 MIPS, adequate for slow control algorithms with simple PID loops. The 48-LQFP package fits in compact actuator housings (7 x 7 mm body) while exposing enough I/O to drive multiple TRIAC optocouplers. Estimated: the on-chip ADC at 10-bit resolution yields ~5 mV LSB on a 5 V reference, which is sufficient for thermistor sensing after linearization in firmware. White-goods OEMs use this part in mass-production HVAC boards because of its low unit cost and proven long-term availability through NXP distributors.
Recommandé
Industrial Sensor Conditioning Board
Industrial analog front-end boards for pressure transducers, level sensors, and 4-20 mA loop monitoring benefit from the MC908AP64CFAER528's 8-channel 10-bit ADC and modest GPIO count. The internal oscillator eliminates crystal cost on cost-sensitive boards, while the 64 KB Flash supports protocol stacks such as HART or Modbus RTU slave firmware. Estimated: at 8 ADC channels and 10-bit resolution, designers can digitize 8 sensors with ~0.1% FS accuracy after calibration - suitable for general-purpose industrial sensing, but not for precision instrumentation where 12/16-bit ADCs are needed. The 48-LQFP footprint also makes layout easy on 2-layer industrial PCBs.
Recommandé
Security and Alarm Panel
The MC908AP64CFAER528's 32 GPIO are well-matched to wired alarm panels that must interface with multiple zones (door contacts, PIR sensors, keypads, sirens, and dialers). 64 KB of Flash is sufficient for zone logic, dialer protocols (Contact ID, SIA), and keypad UI state machines, while 2 KB RAM covers modest event buffers. The HC08AP family's low-power modes (WAIT/STOP) help meet quiescent-current budgets for battery-backed panels. Estimated: at ~8 MHz with all peripherals off, STOP current is in the microamp range (specific value per datasheet), enabling multi-year battery life on a small backup cell.
Recommandé
White Goods Motor Control (Washing Machine / Dishwasher)
Washing machines, dishwashers, and other white goods use the MC908AP64CFAER528 to drive triac-controlled universal motors, read water-level pressure sensors, and orchestrate user-interface keypads. The 8-channel ADC digitizes thermistor and pressure-sensor inputs, while the GPIO drives relay and triac optocouplers. The internal oscillator reduces BOM cost in cost-sensitive appliances. Estimated: with 32 GPIO the part can directly drive up to 16 triac optos or relays without a multiplexer, sufficient for typical white-goods load control. The HC08 family's long product history means proven reference firmware is widely available.
Recommandé
LIN Slave Node (Automotive Sub-Bus)
The MC908AP64CFAER528's SCI peripheral and HC08AP family's LIN-conformance make it a practical LIN slave node on automotive sub-buses (mirror controllers, seat controllers, window regulators). 64 KB Flash is sufficient for LIN state machines and diagnostic handlers (UDS-like services). Estimated: at 8 MHz, the part can sustain 19.2 kbps LIN with margin to run a simple state machine plus a 10 ms ADC sample loop. The 48-LQFP footprint allows placement inside compact LIN actuator housings.
Recommandé
Small Consumer Electronics Mainboard
Cost-sensitive consumer electronics such as coffee machines, air purifiers, and small kitchen appliances use the MC908AP64CFAER528 as the main controller because of its low unit cost, integrated ADC, and adequate Flash for menu-driven firmware. The internal oscillator and 32 GPIO allow the MCU to drive character LCDs, button matrices, and triac-controlled heaters with minimal external components. Estimated: 64 KB Flash accommodates full feature menus with multi-language strings, while 2 KB RAM covers menu state buffers. The 48-LQFP allows single-sided PCB assembly, which lowers manufacturing cost for high-volume SKUs.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC908AP64CFAER528 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC908AP64ACBE | MC908AP32CFBE | MC908AP16ACBE | MC908AP64CFBE |
|---|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP - same | 48-LQFP - same | 48-LQFP - same | 52-LQFP - larger package, same die |
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Program Memory (Flash) | 64 KB | 64 KB | 32 KB (-50%) | 16 KB (-75%) | 64 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| ADC | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 8 ch | 10-bit, 8 ch |
| CPU Clock | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz |
| GPIO Count | 32 | 32 | 32 | 32 | 32 |
| Temperature Grade | Commercial (per -528 suffix) | Automotive (-40 to +125 C) | Commercial | Automotive | Commercial |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND |
Principaux différenciateurs
- 64 KB Flash - largest in the HC908AP8x line (vs MC908AP32CFBE (32 KB Flash))
- Automotive-grade sibling available on identical die (vs MC908AP64ACBE (automotive temp grade))
- Integrated 8-channel 10-bit ADC on-chip (vs HC08GP32 family (no integrated ADC))
- Internal oscillator - no external crystal required (vs HC908JK family variants requiring external crystal)
Notes de conception
Place a 100 nF ceramic decoupling capacitor as close as possible to each VDD/VSS pin pair of the MC908AP64CFAER528 (the part has two VDD and two VSS pins on the 48-LQFP). Add a single 10 uF bulk tantalum or ceramic capacitor on the main 5 V rail near the MCU. Estimated: peak operating current at 8 MHz with all peripherals active is around 25-35 mA; STOP-mode quiescent current is in the low-uA range (specific value per datasheet). Decoupling prevents MCU brownouts during GPIO edge transitions.
Route the analog VREF pin (pin 39) with a wide, short trace and bypass it with a 100 nF + 10 uF capacitor pair. Keep ADC inputs (PTB0-PTB7) away from switching signals and TRIAC drive traces by at least 3x the trace-to-trace spacing. Estimated: cross-talk on a 2-layer FR-4 board can degrade 10-bit ADC ENOB by 1-2 bits if analog and digital traces are not carefully separated. Use a ground pour under the MCU to provide both thermal dissipation and a low-impedance reference.
Do not assume the MC908AP64CFAER528's internal oscillator is accurate enough for SCI/UART communications above 9600 baud without calibration; use the HC08 bus-frequency trim procedure on TRMC or calibrate against an external reference if higher baud rates are required. Estimated: the untrimmed internal oscillator can be off by +/- 25% across temperature, which prevents reliable UART communication. Always validate the reset circuit: RST (pin 37) requires a pull-up and a typical 100 nF capacitor for noise immunity.
The 48-LQFP package has a theta-JA of approximately 70-80 C/W (specific value per datasheet). Estimated: at 25 mA core current and 5 V supply, the part dissipates around 125 mW, yielding a junction temperature rise of ~9 C above ambient at room temperature. No heatsink is needed, but adequate copper pour on the GND pins helps in high-temperature (industrial/automotive) environments.
Informations de conformité
RoHS/REACH/lead-free status not confirmed in verified web data. AEC-Q100 not applicable to the standard -528 commercial-grade part; the -AE suffix variant is the automotive-grade option.