MC9S08DV48AMLC - 8-bit S08 MCU 48KB Flash 40MHz | NXP
Référence : MC9S08DV48AMLC ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $6.33 | $6,33 |
| 10 | $5.95 | $59,50 |
| 100 | $5.51 | $551,00 |
| 500 | $5.1 | $2 550,00 |
| 1 000 | $4.73 | $4 730,00 |
MC9S08DV48AMLC Présentation
An 8-bit MCU is the workhorse of the embedded microcontroller hierarchy: it integrates a processor core, program memory (FLASH), data memory (RAM), and peripheral modules such as timers, communication interfaces, and analog functions on a single silicon die. Within NXP's (formerly Freescale Semiconductor) product taxonomy, the MC9S08DV48AMLC belongs to the HCS08 family -> S08 series -> 8-bit MCU -> microcontroller -> semiconductor device category.
Key features include the enhanced HCS08 CPU executing the HC08 instruction set with an added BGND instruction, support for up to 32 interrupt/reset sources, and integrated peripherals including LVD (low-voltage detection), POR (power-on reset), PWM, and WDT (watchdog timer). Connectivity is comprehensive for an 8-bit part: CANbus, I2C, LINbus, SCI, and SPI interfaces are on chip, making the device well suited to networked body-electronics and industrial nodes.
The S08 core architecture provides efficient C-code execution with a rich addressing mode set, while the on-chip FLASH supports in-system reprogramming for field updates. Operating supply support covers the 3.3 V and 5 V domains typical of automotive and industrial systems. The device is supplied in a 32-LQFP gull-wing package with 25 general-purpose I/O lines, offering a compact 7 x 7 mm footprint that still provides enough pins for CAN plus LIN plus SPI system topologies.
Typical applications include automotive body controllers, LIN/CAN gateway nodes, industrial sensor hubs, and appliance control boards where a mix of communication buses and modest memory is required.
Design consideration: this part is listed as obsolete by NXP, so new designs should plan a migration path toward the MC9S08DZ or S12K families, or NXP's cross-recommended successors, while existing designs should secure last-time-buy inventory.
This page synthesizes distributor pricing, drop-in family alternatives, and practical sourcing guidance not found in the manufacturer datasheet, based on verified data as of 2026-10-18.
Alternatives de remplacement direct pour MC9S08DV48AMLC — 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 MC9S08DV48AMLC (même facteur de forme et même empreinte) — différant par RAM Size, Package, Core Processor, Flash Memory, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S08DZ48AMLC
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S08DZ48ACLC
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S08DV48ACLC
✅ Remplacement direct✓ En stock
$4.85 / unité
Voir la fiche technique →MC9S08DV48AMLC Valeurs maximales et caractéristiques électriques
| Core Processor | S08 (HCS08) |
| Core Size | 8-Bit |
| Maximum CPU Speed | 40 MHz (20 MHz bus) |
| Program Memory Size | 48KB (48K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 2K x 8 |
| EEPROM Size | - |
| Connectivity | CANbus, I2C, LINbus, SCI, SPI |
| Peripherals | LVD, POR, PWM, WDT |
| Number of I/O | 25 |
| Interrupt/Reset Sources | Up to 32 |
| Tension d'alimentation | 3.3 V / 5 V |
| Boîtier | 32-LQFP (7 x 7 mm) |
| Type de montage | Surface Mount |
| Terminal Form | Gull Wing |
| Temperature Grade | Automotive |
| Part Status | Obsolete |
| Instruction Set | HC08 with added BGND instruction |
Guide de configuration des broches du MC9S08DV48AMLC 32-lqfp (7 x 7 mm)
Configuration des broches du MC9S08DV48AMLC (boîtier 32-lqfp (7 x 7 mm)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour MC9S08DV48AMLC.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
MC9S08DV48AMLC convient pour 6 applications: Automotive Body Control Modules, LIN Bus Networked Nodes, Industrial Sensor Hubs, Appliance Control Boards, CAN Gateway and Bridge Nodes, Motor Control Subsystems.
Automotive Body Control Modules
The MC9S08DV48AMLC fits automotive body control applications through its automotive temperature grade, CANbus interface, and LINbus support in a single 8-bit MCU. The 48KB FLASH accommodates complete body-function firmware (lighting, wipers, seat control) while 2KB RAM handles message buffers for dual-network CAN/LIN gateways. Placed as a networked slave or small gateway node, the MCU's 40 MHz S08 core executes interrupt-driven CAN receive handlers within microseconds, and the LVD/POR modules protect state integrity during vehicle cold-crank voltage dips down to brown-out thresholds. Designers should size CAN termination and use the watchdog (WDT) for functional-safety watchdogging of actuator control loops.
Recommandé
LIN Bus Networked Nodes
For LIN bus slave nodes such as door modules, mirror controls, and HVAC actuators, the MC9S08DV48AMLC provides the SCI-based LIN interface plus PWM outputs for motor or lamp driving. The 25 GPIO lines cover switch inputs, relay drivers, and position feedback in one 32-pin device, and the 48KB FLASH holds LIN 2.x protocol stacks with margin for application code. Its 5 V supply compatibility directly matches typical LIN physical-layer rails, eliminating level shifting. The 20 MHz bus clock gives deterministic timing for LIN frame scheduling, while the watchdog timer meets the fail-safe requirements of actuator nodes. Trade-off: at only 2KB RAM, complex diagnostic buffers must be managed carefully.
Recommandé
Industrial Sensor Hubs
In industrial sensing nodes, the MC9S08DV48AMLC aggregates analog or digital sensor data and forwards it over SPI or I2C to higher-level systems, or over CAN to factory networks. The 40 MHz core provides headroom for oversampling and digital filtering of sensor channels, while the 12-way interrupt structure with 32 sources supports asynchronous event handling from multiple sensors. The gull-wing 32-LQFP package withstands industrial assembly processes, and the 3.3 V/5 V dual supply suits mixed-voltage cabinets. Because the part is obsolete, use in new industrial designs should be paired with a lifetime-buy or the pin-compatible MC9S08DZ48AMLC migration path.
Recommandé
Appliance Control Boards
White-goods and appliance controllers benefit from the MC9S08DV48AMLC's combination of PWM outputs for motor and heater control, 25 I/O for user-interface switches and LEDs, and SCI/UART for service-communication ports. The 48KB FLASH stores multi-language UI tables and control state machines without external memory, and the WDT plus POR ensure safe recovery from mains disturbances. The 5 V operation interfaces directly with legacy appliance power supplies and triac drive circuitry. Designers should leverage the internal clock sources to avoid crystal cost, reserving precise timing for PWM motor control. The obsolete status means appliance makers should qualify the DZ48 variant or newer NXP parts for future production runs.
Recommandé
CAN Gateway and Bridge Nodes
The MC9S08DV48AMLC serves small CAN-to-serial bridges, translating between vehicle CAN networks and diagnostic SCI/UART links. With CANbus on chip, no external CAN controller is needed; 2KB RAM must be budgeted for CAN mailbox buffering and FIFO queuing, which is adequate for low-traffic gateway applications at 125-500 kbps. The 40 MHz core sustains interrupt-per-message processing, and the BGND instruction plus single-wire background debug interface enables in-system firmware updates for protocol changes. Its automotive grade rating suits under-dash and engine-bay-adjacent environments. For high-traffic gateways requiring larger RAM, the family's larger variants should be evaluated instead.
Recommandé
Motor Control Subsystems
For small brushed-DC and stepper motor control, the MC9S08DV48AMLC's PWM peripheral generates drive waveforms while GPIO-based H-bridge control outputs and current-sense inputs close the loop in firmware. The 20 MHz bus clock allows control-loop execution at several kHz with the S08 core's efficient HC08 instruction set, and 48KB FLASH supports field-oriented or PID control tables. Integrated LVD protects against brown-out-induced H-bridge shoot-through by triggering safe shutdown. The 5 V supply directly drives MOSFET gate-driver logic. Engineers should dedicate the watchdog to the motor-control task and implement independent hardware shutdown paths, as this part has no dedicated motor-control fault inputs.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S08DV48AMLC — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S08DZ48AMLC | MC9S08DZ48ACLC | MC9S08DV48ACLC |
|---|---|---|---|---|
| Package | 32-LQFP (7 x 7 mm) | 32-LQFP (7 x 7 mm) - same | 32-LQFP (7 x 7 mm) - same | 32-LQFP (7 x 7 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Speed | S08 8-bit, 40 MHz | S08 8-bit, 40 MHz | S08 8-bit, 40 MHz | S08 8-bit, 40 MHz |
| Flash Memory | 48KB | 48KB | 48KB | 48KB |
| RAM | 2KB | 2KB | 2KB | 2KB |
| EEPROM | None | 1KB (on-chip) | 1KB (on-chip) | None |
| Connectivity | CAN, I2C, LIN, SCI, SPI | CAN, I2C, LIN, SCI, SPI | CAN, I2C, LIN, SCI, SPI | CAN, I2C, LIN, SCI, SPI |
| Temperature Range | Automotive grade | Automotive grade | Commercial/industrial | Commercial/industrial |
Principaux différenciateurs
- On-chip CANbus eliminates external CAN controller (vs MC9S08DV48ACLC)
- Largest 32-pin DV flash option reduces external memory need (vs smaller DV-family variants (32KB/16KB))
- Trade-off: no on-chip EEPROM (vs MC9S08DZ48AMLC)
Notes de conception
The MC9S08DV48AMLC accepts 3.3 V or 5 V supplies with integrated LVD and POR. For automotive 12 V systems, use a qualified 5 V LDO with load-dump transient protection upstream, and size decoupling at 0.1 uF ceramic per VDD pin pair plus 4.7-10 uF bulk. Configure the LVD thresholds in firmware to match the regulated rail, and verify that brown-out during engine cranking does not corrupt FLASH - the S08 FLASH write logic must not execute during LVD warning. Estimated: a 5 V rail at 30 mA typical MCU load dissipates only 150 mW in the LDO, well within SOT-223 capability without copper pour.
The 32-LQFP 7 x 7 mm footprint requires no exposed-pad via array, simplifying layout. Place the 0.1 uF decoupling capacitors within 3 mm of VDD/VSS pairs and route RESET and BKGD (background debug) to a 4-pin programming header for in-system flash reprogramming with NXP's BDM tools. Keep the CAN transceiver within 20 mm of the MCU CAN TX/RX pins and place the CAN termination (120 ohm) at the bus stub, not at the MCU. Reserve GPIO margin: with 25 I/O on 32 pins, peripheral multiplexing conflicts are common - check the signal multiplexing table before routing.
The most significant risk is obsolescence: NXP lists this part as Obsolete, so no factory orders are possible. Before committing a new or continuing design, perform a lifetime-buy or validate the pin-compatible MC9S08DZ48AMLC as a second source on the same PCB. Second pitfall: the DV family has no EEPROM - storing calibration data in FLASH reprogrammed at runtime consumes endurance cycles and requires careful sector management; use the DZ variant if non-volatile parameter storage is needed. Third: 2KB RAM fills quickly with CAN buffering - stack depth and message queue sizing must be verified with a linker map review.
Informations de conformité
Compliance status not stated in the verified web data. The part is automotive temperature grade per Partstack parameters and obsolete per NXP distributor listings; verify RoHS/REACH status with the distributor for each lot, as older production dates may predate current compliance documentation.