MC9S12P64CLH - 16-bit 64KB Flash 32MHz CAN MCU | NXP Semiconductors
N.º da peça: MC9S12P64CLH ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $7.42 | $7,42 |
| 10 | $6.68 | $66,80 |
| 100 | $5.95 | $595,00 |
| 500 | $5.35 | $2.675,00 |
| 1.000 | $4.82 | $4.820,00 |
MC9S12P64CLH Visão geral
A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals on one die, forming the lowest layer of the embedded-processing hierarchy (MCU -> embedded processor -> microprocessor -> semiconductor IC). The S12P family belongs to NXP's HCS12 portfolio, a CISC-architecture 16-bit family descended from the classic 68HC12, valued in automotive body electronics for its 5V-tolerant I/O and robust EMC behavior.
Key features of the MC9S12P64CLH include 64KB (64K x 8) of on-chip Flash for program storage, a single-wire background debug mode for low-cost emulation, an on-chip CAN controller for in-vehicle networking, and a supply range that tolerates automotive battery conditions without external regulation in some topologies. The device targets body control applications where 8-bit cost structures are expected but 16-bit performance is required.
Technically, the S12 core executes the HCS12 instruction set with CISC efficiency, and the 32MHz bus clock is derived from an on-chip PLL/oscillator system, allowing designers to trade bus speed against EMI. Flash programming is performed in-circuit via BDM or the CAN/SCI interfaces, supporting end-of-line reprogramming in production.
Typical applications include automotive body control modules, door modules, seat control, lighting control, and other CAN-networked nodes in industrial and vehicle environments. The wide temperature grade and 5V-class I/O directly suit harsh electrical environments.
A key design consideration: the S12P family Flash requires proper voltage monitoring during write operations, so always enable the low-voltage inhibit and verify the bus clock is within Flash-programming limits before issuing erase/program commands.
This page synthesizes distributor listings, lifecycle data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Alternativas drop-in para MC9S12P64CLH — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MC9S12P64CLH (mesmo formato e footprint) — diferindo em Number of I/O, Operating Temperature, Package.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S12P128CLH
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MC9S12P32CLH
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MC9S12P64CVAL
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
S9S12P64J0CLH
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
S9S12G64F0MLH
✅ Drop-In✓ Em estoque
$4.3 / unidade
Ver ficha técnica →MC9S12P64CLH Classificações máximas e características elétricas
| Core Processor | HCS12 (S12 core), 16-bit CISC |
| Bus Clock Frequency | 32 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| Supply Voltage Range | 3.13 V to 5.5 V |
| Temperatura de operação | -40C to +85C |
| Number of I/O | 34 |
| Communication Peripherals | CAN (msCAN), SCI, SPI |
| CAN Channels | 1 |
| Encapsulamento | 64-LQFP (10x10 mm), 0.5 mm pitch |
| Package Code | LH (QFP 64, MO-220VKKD-2 style) |
| Tipo de montagem | Surface Mount |
| Packaging | Tray |
| Core Supply Voltage | 5 V (nominal) |
| Debug Interface | Single-wire Background Debug Mode (BDM) |
| Life Cycle Stage | Active |
Guia de Configuração de Pinos do MC9S12P64CLH lh (qfp 64, mo-220vkkd-2 style)
Configuração de pinos para MC9S12P64CLH (pacote lh (qfp 64, mo-220vkkd-2 style)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para MC9S12P64CLH.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
MC9S12P64CLH é adequado para 6 aplicaçãos: Automotive Body Control Module, Door Module Control, LED Interior Lighting Control, Industrial CAN Sensor Node, Seat Control and Memory Module, Agricultural and Off-Highway ECU.
Automotive Body Control Module
The MC9S12P64CLH is purpose-built for body control modules (BCM), where it coordinates door locks, interior lighting, wipers, and mirror actuators over a CAN bus. Its 5V-tolerant I/O directly senses switch matrices and drives relay or high-side-driver inputs without level-shifting circuitry, while the 3.13V to 5.5V supply range absorbs load-dump-filtered battery conditions. The 64KB Flash accommodates a full BCM application with diagnostics and LIN-style scheduling in a single chip. Placed on the CAN trunk with a transceiver such as the TJA1051, the 32MHz S12 core handles network management, timeout supervision, and sleep/wake sequencing with margin to spare, and BDM in-circuit programming enables end-of-line flash updates on the assembly line.
Recomendado
Door Module Control
In automotive door modules, the MC9S12P64CLH manages window lift motors, central locking, mirror adjustment, and switch illumination from a single CAN-connected controller. The 34 I/O lines provide sufficient GPIO to scan multi-way switch packs and drive H-bridge enable inputs, while the S12 core's timer channels generate PWM for soft-start window motion and position feedback decoding via hall or encoder inputs. The -40C to +85C grade covers the door environment, and the 64KB Flash holds anti-pinch algorithms plus diagnostic code. Its low EMI clock architecture helps pass automotive EMC tests when paired with a balanced CAN transceiver and proper bulk decoupling near the module power entry.
Recomendado
LED Interior Lighting Control
The MC9S12P64CLH suits ambient and dome interior LED lighting nodes by generating multiple PWM channels from its timer peripherals, enabling brightness fading and color-mixing sequences without an external LED controller. Running at a 32MHz bus from the 5V rail, its outputs drive low-side MOSFET gate drivers or LED driver enable pins directly, while the on-chip CAN interface receives lighting commands from the BCM. The 3.13V to 5.5V supply tolerance keeps the node alive during engine cranking dips. The 64KB Flash stores calibration curves for luminance versus PWM duty across temperature, and the wide operating range ensures stable color rendering from cold crank to parked-in-sun conditions.
Recomendado
Industrial CAN Sensor Node
Beyond vehicles, the MC9S12P64CLH serves industrial CANopen-style sensor and actuator nodes where a rugged 5V MCU simplifies the design. The on-chip msCAN controller implements the CAN 2.0 protocol while the SCI handles service ports and the SPI connects ADCs or flash memories. The 3.13V to 5.5V input range allows direct operation from 5V industrial supplies with a simple LC filter instead of a switching regulator, improving reliability. The -40C to +85C operating range covers unheated cabinets and outdoor panels. Its 64KB Flash retains node configuration tables and calibration data, and BDM in-circuit reprogramming supports field firmware updates through a service connector without desoldering the device.
Recomendado
Seat Control and Memory Module
Seat modules use the MC9S12P64CLH to drive multi-motor adjustments (fore/aft, recline, height, lumbar) and to store position memory. Timer channels output PWM to H-bridge or relay drivers for each motor, GPIO reads hall-effect position sensors, and the CAN port communicates commands from door or BCM masters. The 64KB Flash holds a memory map of seat positions for multiple users, while the 5V-tolerant inputs interface directly with industry-standard hall sensors. The device's 32MHz bus provides enough throughput to run motor-current supervision loops for stall detection. Thermal behavior matters here: sustained motor current heats the PCB, so place the MCU away from driver FETs and rely on its 85C top rating with margin.
Recomendado
Agricultural and Off-Highway ECU
Off-highway equipment ECUs benefit from the MC9S12P64CLH's 5V-native I/O, wide supply tolerance, and rugged HCS12 heritage in harsh 12V/24V electrical systems with large transients. The device reads analog sensors through an external SPI ADC, drives valve or relay outputs through protection circuitry, and exchanges status over CAN with the machine's J1939-style network. The -40C to +85C range and 3.13V to 5.5V supply window survive cold starts and charging-system surges when combined with TVS protection at the power entry. The 64KB Flash accommodates J1939 address-claim logic plus application code, and tray packaging suits medium-volume controller production runs.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC9S12P64CLH — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC9S12P128CLH | MC9S12P32CLH | MC9S12P64CVAL | S9S12G64F0MLH |
|---|---|---|---|---|---|
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 64 KB | 128 KB | 32 KB | 64 KB | 64 KB |
| Core / Bus Speed | HCS12 16-bit, 32 MHz | HCS12 16-bit, 32 MHz | HCS12 16-bit, 32 MHz | HCS12 16-bit, 32 MHz | S12 core, 32 MHz |
| Supply Voltage | 3.13 V to 5.5 V | 3.13 V to 5.5 V | 3.13 V to 5.5 V | 3.13 V to 5.5 V | 3.13 V to 5.5 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (extended) | -40C to +125C (per S12G family) |
| CAN Controller | Yes (1x msCAN) | Yes (1x msCAN) | Yes (1x msCAN) | Yes (1x msCAN) | Yes (1x msCAN) |
| Target Use Case | Cost-optimized 64KB body control | Code-heavy BCM, 128KB headroom | Cost-reduced simple nodes | Engine-bay / high-temp nodes | New designs on modern S12G family |
Principais diferenciais
- Balanced 64KB Flash cost point (vs MC9S12P128CLH)
- Extended temperature option in the same family (vs MC9S12P64CVAL)
- Mature proven S12P platform (vs S9S12G64F0MLH)
Notas de projeto
Design the 5V rail for the 3.13V to 5.5V window with automotive load-dump filtering (TVS diode plus series resistance or an SBC regulator). Estimated: at a nominal 5V supply and typical S12P-family operating current in the tens of milliamps range, dissipation stays well under 0.5W, so the 64-LQFP thermal pad-free package needs no heatsink; verify exact ICC against the datasheet table for your bus frequency and pin loading. Enable the low-voltage reset so Flash writes are inhibited below the programming threshold.
Place 100nF ceramic decoupling on each VDD/VSS pair as close to the package as possible, plus a 10uF bulk capacitor near the power entry. Route the CAN RX/TX traces short and away from motor or relay drive lines; use a 120-ohm termination at the trunk, not at each node. Keep the BDM 6-pin connector footprint on the PCB even in production layouts - in-circuit flash reprogramming through BDM is essential for end-of-line updates and field diagnostics on this MCU.
Do not assume register-level compatibility with other HCS12 families: the S12P peripheral set and pin multiplexing differ from S12G, S12E, and S12XS parts even where the 64-pin footprint matches. Verify pin assignment tables in the S12P datasheet before reusing an existing PCB. Also confirm the exact temperature grade in your ordering code - the standard CLH grade tops out at +85C; use the CVAL variant for up to +125C environments such as engine-bay modules.
The S12 core derives its 32MHz bus from an on-chip PLL; running the PLL at a spread or reduced frequency during non-critical phases reduces radiated emissions and helps pass CISPR 25-style automotive EMC testing. Keep the external crystal loop compact and guard it with ground. Avoid routing fast I/O toggles on the package corners adjacent to the crystal traces.
Informações de conformidade
The NXP product page includes an Environmental Quality section; download current RoHS/REACH certificates from NXP for BOM documentation. AEC-Q100 qualification status was not stated in the provided data.
