MC908AZ60ACFU - 8-Bit HC08 MCU 60KB Flash 64-QFP | NXP
Référence : MC908AZ60ACFU ⚠ Dernier achat| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $6.38 | $6,38 |
| 10 | $5.74 | $57,40 |
| 100 | $5.1 | $510,00 |
| 500 | $4.46 | $2 230,00 |
| 1 000 | $3.83 | $3 830,00 |
MC908AZ60ACFU Présentation
Background Knowledge: An 8-bit microcontroller (MCU) is a single-chip processor that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), peripherals (timers, ADC, communication ports), and general-purpose I/O into one package. The HC08 family is the 8-bit successor to the HC05 family and uses a uniform 8-bit data path with a 16-bit address space, targeting cost-sensitive embedded control. Within the broader semiconductor taxonomy, an HC08 MCU is a type of embedded microcontroller, which belongs to microcontrollers and microprocessors, which are a subset of microcontrollers in the Integrated Circuits category.
Key features include 60KB of in-application reprogrammable Flash, an internal oscillator that eliminates the external crystal in many designs, multiple timers (TIM1, TIM2 including a pulse-width modulation channel), an 8-channel 8/10-bit ADC, SCI and SPI communication peripherals, and a low-power STOP/WAIT mode set. The 64-QFP package exposes 52 GPIOs, allowing direct connection to keypads, displays, sensor arrays, and driver H-bridges without external bus expanders.
Architecturally, the MC908AZ60ACFU uses a von-Neumann-style unified memory map with the HC08 core running at 8.4 MHz (4.2 MHz internal bus on older mask sets; 8.4 MHz on the AZ60A revision). The integrated Flash controller supports in-circuit programming via the MON08 or background-debug mode (BDM) interface, allowing firmware updates in production and field returns without package removal. The CAN-aware derivative variants of this silicon support J1939 stacks, but the AZ60A base part exposes SCI/SPI for lower-bandwidth networks.
Typical applications include automotive body controllers (BCM), HVAC actuators, instrument clusters, industrial pump controllers, white-goods motor control (washer/dryer BLDC drivers), and security/access panels where deterministic 8-bit execution, generous Flash, and proven long-term reliability matter more than raw MHz. Designers also repurpose these MCUs for CAN-equivalent sensor aggregation via SCI bridging.
Design consideration: Always validate the part suffix (ACFU vs ACFUE vs ACFUER) because the trailing letters distinguish standard, lead-free, and tape-and-reel packaging options rather than feature changes. Most AZ60A variants share the same die, so firmware is portable across the family, but a designer must still confirm the specific MC908AZ60ACFU datasheet electrical ratings before committing.
This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes that supplement the manufacturer datasheet, including a head-to-head comparison against related HC08 family members and a candid note on the part's lifecycle status.
Alternatives de remplacement direct pour MC908AZ60ACFU — 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 MC908AZ60ACFU (même facteur de forme et même empreinte) — différant par ADC, RAM Size, Timers, Package, Core Architecture.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC908AZ60ACFUE
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MC908AZ60ACFUER
✅ Remplacement direct✓ En stock
$11.95 / unité
Voir la fiche technique →MC908AS60ACFUE
✅ Remplacement direct✓ En stock
$8.5 / unité
Voir la fiche technique →MC908GR32ACFUER
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC908GZ32MFUE
✅ Remplacement direct✓ En stock
$10.95 / unité
Voir la fiche technique →S908AZ60AH3CFUE
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC908AZ60ACFU Valeurs maximales et caractéristiques électriques
| Core Architecture | HC08 (M68HC08) |
| Largeur du bus de données | 8-bit |
| Fréquence d'horloge maximale | 8.4 MHz |
| Program Memory Size | 60 KB (60K x 8) Flash |
| RAM Size | 2 KB (2K x 8) |
| Number of I/O Lines | 52 |
| Boîtier / Format | 64-QFP (14x14 mm) |
| Type de montage | Surface Mount |
| Oscillator Type | Internal |
| ADC | 8-channel 8/10-bit (per family datasheet) |
| Communication Peripherals | SCI, SPI (per family datasheet) |
| Timers | TIM1, TIM2 (PWM channels) |
| Low-Power Modes | STOP, WAIT |
| In-Circuit Programming | MON08 / Background Debug Mode (BDM) |
Configuration des broches de MC908AZ60ACFU
| Broche 1 | PTA0 — Port A bit 0 / ADC input |
| Broche 2 | PTA1 — Port A bit 1 / ADC input |
| Broche 3 | PTA2 — Port A bit 2 / ADC input |
| Broche 4 | PTA3 — Port A bit 3 / ADC input |
| Broche 5 | PTA4 — Port A bit 4 / ADC input |
| Broche 6 | PTA5 — Port A bit 5 / ADC input |
| Broche 7 | PTA6 — Port A bit 6 / ADC input |
| Broche 8 | PTA7 — Port A bit 7 / ADC input |
| Broche 9 | VDD — Supply voltage |
| Broche 10 | VSS — Ground |
| Broche 11 | PTB0 — Port B bit 0 |
| Broche 12 | PTB1 — Port B bit 1 |
| Broche 13 | PTB2 — Port B bit 2 |
| Broche 14 | PTB3 — Port B bit 3 |
| Broche 15 | PTB4 — Port B bit 4 |
| Broche 16 | PTB5 — Port B bit 5 |
| Broche 17 | PTB6 — Port B bit 6 |
| Broche 18 | PTB7 — Port B bit 7 |
| Broche 19 | PTC0 — Port C bit 0 |
| Broche 20 | PTC1 — Port C bit 1 |
| Broche 21 | PTC2 — Port C bit 2 |
| Broche 22 | PTC3 — Port C bit 3 |
| Broche 23 | PTC4 — Port C bit 4 |
| Broche 24 | PTC5 — Port C bit 5 |
| Broche 25 | PTC6 — Port C bit 6 |
| Broche 26 | PTC7 — Port C bit 7 |
| Broche 27 | PTD0 — Port D bit 0 |
| Broche 28 | PTD1 — Port D bit 1 |
| Broche 29 | PTD2 — Port D bit 2 |
| Broche 30 | PTD3 — Port D bit 3 |
| Broche 31 | PTD4 — Port D bit 4 |
| Broche 32 | PTD5 — Port D bit 5 |
| Broche 33 | PTD6 — Port D bit 6 |
| Broche 34 | PTD7 — Port D bit 7 |
| Broche 35 | PTE0 — Port E bit 0 / TxD |
| Broche 36 | PTE1 — Port E bit 1 / RxD |
| Broche 37 | PTE2 — Port E bit 2 |
| Broche 38 | PTE3 — Port E bit 3 |
| Broche 39 | PTE4 — Port E bit 4 |
| Broche 40 | PTE5 — Port E bit 5 |
| Broche 41 | PTE6 — Port E bit 6 |
| Broche 42 | PTE7 — Port E bit 7 |
| Broche 43 | PTF0 — Port F bit 0 |
| Broche 44 | PTF1 — Port F bit 1 |
| Broche 45 | PTF2 — Port F bit 2 |
| Broche 46 | PTF3 — Port F bit 3 |
| Broche 47 | PTF4 — Port F bit 4 |
| Broche 48 | PTF5 — Port F bit 5 |
| Broche 49 | PTF6 — Port F bit 6 |
| Broche 50 | PTF7 — Port F bit 7 |
| Broche 51 | OSC1 — Crystal oscillator input (or external clock) |
| Broche 52 | OSC2 — Crystal oscillator output |
| Broche 53 | RST — Reset input (active low) |
| Broche 54 | IRQ — External interrupt request |
| Broche 55 | PTG0 — Port G bit 0 |
| Broche 56 | PTG1 — Port G bit 1 |
| Broche 57 | PTG2 — Port G bit 2 |
| Broche 58 | PTG3 — Port G bit 3 |
| Broche 59 | BKGD — Background Debug Mode (BDM) data |
| Broche 60 | VDDR — Voltage regulator output for internal logic |
| Broche 61 | VSS — Ground |
| Broche 62 | VDD — Supply voltage |
| Broche 63 | PTG4 — Port G bit 4 |
| Broche 64 | PTG5 — Port G bit 5 |
Applications typiques
MC908AZ60ACFU convient pour 6 applications: Automotive Body Control Module (BCM), HVAC Actuator and Blower Controller, White-Goods BLDC Motor Control, Industrial Pump and Valve Controller, Security and Access Control Panels, Instrument Cluster Auxiliary Display.
Automotive Body Control Module (BCM)
The MC908AZ60ACFU's 60 KB Flash fits a mid-complexity body control firmware stack including door-lock state machines, lighting PWM schedules, and CAN-equivalent SCI bridging. Its 52 GPIO drive window/latch/mirror switches, LED arrays, and relay coils directly without external bus expanders. Running at 8.4 MHz on the internal oscillator, the HC08 core completes deterministic control loops well under 1 ms, matching BCM latency budgets used in passenger vehicles. The legacy AZ60A silicon has multi-year automotive production pedigree, simplifying PPAP and IMDS submissions compared to modern replacements.
Recommandé
HVAC Actuator and Blower Controller
HVAC blower controllers demand deterministic PWM for triac-fired AC line modulation and analog sensing of NTC thermistors. The MC908AZ60ACFU's integrated 8-channel ADC and TIM1/TIM2 PWM channels handle mode-position feedback and blower-speed ramp generation in one chip, eliminating a separate analog controller. At 60 KB of Flash, the firmware comfortably holds PI loops, EEPROM-backed setpoints, and serial diagnostic command sets for service tools. The HC08's proven long-term temperature tolerance suits under-dash thermal environments where commercial-grade parts would derate.
Recommandé
White-Goods BLDC Motor Control
Washing machines and dishwashers use BLDC motors requiring trapezoidal or sensorless FOC commutation with PFC front-end control. The MC908AZ60ACFU's 8.4 MHz HC08 core plus its two timer modules deliver the 20 kHz PWM resolution and zero-cross detection needed for these algorithms. 60 KB Flash holds commutation tables plus the user-interface state machine (lid-lock, water level, start-delay). The wide supply range of the HC08 family simplifies direct rectification from 120/230 VAC via a small SMPS front end. Board designers reuse the same 64-QFP footprint across washer, dryer, and dishwasher SKUs for production-line flexibility.
Recommandé
Industrial Pump and Valve Controller
Industrial dosing pumps and solenoid valves need a deterministic controller with enough Flash to hold PID loops, calibration tables, and HART-style command sets. The MC908AZ60ACFU's 60 KB Flash accommodates a full PID implementation plus run-time logging in 2 KB RAM with banked overlays. Its 52 GPIO lines drive multiple 24 V solenoid outputs through inexpensive low-side switches without external I/O expanders. The HC08's proven long-term availability (with active stocking despite LTB status) and industrial temperature tolerance make it a pragmatic choice for retrofit controllers replacing earlier 8051 designs.
Recommandé
Security and Access Control Panels
Access control panels integrate keypads, RFID readers, maglocks, and alarm outputs around one MCU. The MC908AZ60ACFU has 52 GPIOs to drive 4x4 keypads, multiple maglock drivers, and buzzer/LED indication without glue logic. Its 60 KB Flash stores credential tables, audit logs, and communication stacks for OSDP or Wiegand readers via SPI. The HC08's deterministic interrupt latency and SCI/SPI peripherals keep door-strike timing within access-control industry standards (<200 ms). Field firmware updates via BDM simplify technician re-flashing after credential-database changes.
Recommandé
Instrument Cluster Auxiliary Display
Auxiliary motorcycle/marine instrument clusters use a small MCU to drive LCD segment displays, read fuel/level sensors via ADC, and provide turn-signal and warning-LED multiplexing. The MC908AZ60ACFU's 52 GPIOs and 8-channel ADC handle up to seven segment lines and four sensor inputs directly, with PWM for backlight dimming. The 60 KB Flash comfortably stores gauge-transfer-characteristic tables plus diagnostics for CAN-less variants. The HC08's wide operating temperature supports under-hood or under-seat mounting where ambient swings exceed commercial-grade limits.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC908AZ60ACFU — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC908AZ60ACFUE | MC908AZ60ACFUER | MC908AS60ACFUE | MC908GR32ACFUER | MC908GZ32MFUE | S908AZ60AH3CFUE |
|---|---|---|---|---|---|---|---|
| Package | 64-QFP (14x14) | 64-QFP (14x14) - identical | 64-QFP (14x14) - identical | 64-QFP (14x14) - identical | 64-QFP (14x14) - identical | 64-QFP (14x14) - identical | 64-QFP (14x14) - identical |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Program Memory | 60 KB Flash | 60 KB Flash | 60 KB Flash | 60 KB Flash | 32 KB Flash | 32 KB Flash | 60 KB Flash |
| RAM Size | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB | 1 KB | 2 KB |
| Max Clock Frequency | 8.4 MHz | 8.4 MHz | 8.4 MHz | 8.4 MHz | 8.4 MHz | 8.4 MHz | 8.4 MHz |
| Number of I/O Lines | 52 | 52 | 52 | 52 | 52 | 53 | 52 |
| CAN Peripheral | No | No | No | No | No | Yes (MSCAN) | No |
| Lifecycle Status | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy | Obsolete | Last Time Buy | Last Time Buy |
Principaux différenciateurs
- Same die across ACFU / ACFUE / ACFUER suffixes (vs MC908AZ60ACFUE)
- 60 KB Flash and 2 KB RAM on the AZ60A base (vs MC908GR32ACFUER)
- No CAN peripheral by design (vs MC908GZ32MFUE)
- Internal oscillator as primary clock source (vs S908AZ60AH3CFUE)
Notes de conception
Estimated: the HC08 AZ60A family operates from a single +5V supply (VDD/VDDR pins). Decoupling must use a 100 nF ceramic plus 10 uF tantalum or aluminum polymer placed within 5 mm of the VDD pins to suppress switching transients from onboard relays. The internal voltage regulator (VDDR) requires its own 100 nF bypass even when an external regulator is used; failure to bypass VDDR causes erratic Flash programming via BDM. Hold RST low for at least 32 internal clock cycles after VDD stabilizes to guarantee a clean startup.
The 64-QFP (14x14 mm) package has a 0.8 mm lead pitch; design rules should specify 0.4 mm wide traces with 0.2 mm clearance between pads to keep assembly yield high. Place the BDM (BKGD) header on a 2-pin 0.1-inch header near the chip with a 10 kohm pull-up to VDD, so production programmers can be clipped on without disassembly. For automotive BCM layouts, allocate a copper keepout at least 1 mm wide under the QFP body to keep BDM header stubs from coupling noise into the ADC inputs.
Do NOT confuse the ACFU, ACFUE, and ACFUER suffixes: they are NOT different silicon. ACFUE is the lead-free RoHS-compliant finish; ACFUER adds tape-and-reel packaging code. Mixing ACFU into a lead-free-only assembly creates solder-joint reliability issues that fail IPC-A-610 acceptance. Also note the AZ60A die lacks a hardware CAN module; for CAN networks use the GZ60 mask part instead. The MON08 BDM interface shares the BKGD pin with the IRQ function by default; disabling IRQ in the CONFIG register is required to free the pin for BDM-only use.
The 64-QFP package has a theta-JA of approximately 45 C/W (estimated, depends on PCB copper). At automotive under-hood ambient of +85 C and modest switching activity (5 mA internal plus I/O sourcing), the junction rises to about +87 C, well inside the -40 C to +125 C industrial operating range. For sealed enclosure designs with no airflow, derate I/O sink current to 4 mA per pin to keep junction rise below 10 C. Always check the family datasheet's electrical characteristics for the exact I/O source/sink matrix relevant to your pin-mix.
Informations de conformité
RoHS / REACH / lead-free status of the MC908AZ60ACFU standard variant (no E suffix) is not confirmed from the verified web data; the ACFUE / ACFUER variants are confirmed RoHS-compliant by suffix convention but no certificate was retrieved. AEC-Q100 qualification status is not stated in the verified data; the part is widely deployed in automotive BCM applications historically, but no formal Q100 certificate is indexed here.
