MC68HC16Z1CAG16 - 16MHz 16-Bit ROMless MCU 144-LQFP | NXP
N.º de pieza: MC68HC16Z1CAG16 ⚠ Última compra| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.2 | $252,00 |
| 100 | $21.8 | $2.180,00 |
| 500 | $18.5 | $9.250,00 |
| 1.000 | $15.95 | $15.950,00 |
MC68HC16Z1CAG16 Descripción general
An M68HC16 microcontroller is a high-speed 16-bit control unit that combines high-performance data manipulation capabilities with powerful peripheral subsystems. It belongs to the M68HC16 Family of modular microcontrollers, where it sits in the broader taxonomy of: microcontroller -> 16-bit MCU -> M68K-derived core -> CPU16 architecture -> automotive/industrial control. The architecture uses standard modules that interface through a common intermodule bus (IMB), enabling flexible peripheral integration. Compared with the older 68HC11, the 68HC16Z1 doubles address space, supports 16-bit arithmetic natively, and adds larger on-chip RAM while keeping the same instruction-set philosophy.
Key features of the MC68HC16Z1CAG16 include: 16 MHz CPU16 core at 16 MHz, 1 KB of on-chip RAM, 16 programmable I/O lines, ROMless program memory, and three communication buses (EBI/EMI external bus interface, SCI serial communications interface, and SPI serial peripheral interface). On-chip peripherals include a programmable timer with PWM, a watchdog timer, and a power-on reset block. The 144-LQFP package supplies the I/O count required for external memory plus parallel peripherals in industrial control systems.
The CPU16 implementation uses a 16-bit native datapath with 16-bit internal registers and 24-bit addressing via segmented memory. The modular IMB bus decouples core upgrades from peripheral development - the same CPU16 core is reused across the Z1/Z2/Z3/Z4 family with different peripherals. The result is a controller that runs standard 68HC11 C/assembly code recompiled, while taking advantage of the integrated EBI for external SRAM/Flash expansion.
Typical applications include automotive body controllers, industrial PLC modules, motor-control edge nodes, instrumentation front-ends, and any 16-bit migration path from legacy 68HC11 designs. The combination of SCI for fieldbus bridges, SPI for sensor hubs, and EBI for external memory suits robust factory-floor designs. Because it is ROMless, designers can pair the MCU with a boot ROM, NOR Flash, or external EEPROM to implement application-specific firmware.
When designing with the MC68HC16Z1CAG16, observe that this part is marked Discontinuance and Replacement per NXP product page, so long-term designs should plan for an upgrade path. Ensure decoupling caps are placed within 5 mm of each VDD/VSS pair, and that the IMB clock is sourced from the on-chip PLL or an external crystal as documented. Length-matching is recommended for the EBI address/data bus when external memory is added at full 16 MHz operation.
This page synthesizes distributor stock, drop-in alternatives from the M68HC16 family, lead-time references, and practical design notes not collected in the manufacturer datasheet itself, giving engineers a single reference point for sourcing and selecting this legacy 16-bit MCU.
Alternativas directas para MC68HC16Z1CAG16 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con MC68HC16Z1CAG16 (mismo factor de forma y huella) — difiere en Code Compatibility, Package, RAM Size, Supply Voltage, Core.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MC68HC16Z1MAG16
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →MC68CK16Z1CAG16
✅ Sustitución directa✓ En stock
$12.6 / unidad
Ver hoja de datos →MC68HC16Z1CPV16
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$18.81 / unidad
Ver hoja de datos →MC68HC16Z1CAG25
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$25.5 / unidad
Ver hoja de datos →MC68HC16Z2CAG16
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
MC68HC16Z1CAG16 Valores máximos y características eléctricas
| Core Processor | CPU16 |
| Core Size | 16-Bit |
| Maximum Clock Speed | 16 MHz |
| Program Memory Size | ROMless |
| Program Memory Type | ROMless |
| RAM Size | 1 KB |
| Number of I/O | 16 |
| Connectivity | EBI/EMI, SCI, SPI |
| Peripherals | POR, PWM, WDT |
| Tensión de alimentación | 5 V nominal |
| Architecture | M68HC16 Family (modular IMB) |
| Code Compatibility | Upward code-compatible with M68HC11 |
| Encapsulado | 144-LQFP (20x20 mm) |
| Tipo de montaje | Surface Mount |
| Temperatura de funcionamiento | -40C to +85C (industrial, typical) |
| EEPROM Size | None |
Guía de configuración de pines de MC68HC16Z1CAG16 144-lqfp (20x20 mm)
Configuración de pines para MC68HC16Z1CAG16 (encapsulado 144-lqfp (20x20 mm)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para MC68HC16Z1CAG16.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
MC68HC16Z1CAG16 es adecuado para 6 aplicacións: Automotive Body Control Module, Industrial PLC Module, Motor Control Edge Node, Medical Instrumentation Front-End, Factory Sensor Hub / SPI Bridge, Test and Measurement Instrumentation.
Automotive Body Control Module
The MC68HC16Z1CAG16's 16 MHz CPU16 core and code-compatible M68HC11 heritage made it a 1990s-era staple for body-control ECUs. With 16 I/O lines, EBI for external memory, and an SCI port for LIN/K-Line datalinks, designers wire it to drive lamp drivers, door modules, and climate-control panels. The choice of ROMless program memory allowed tier-1 suppliers to mask-ROM application code per vehicle platform while reusing the same silicon. For 2026 maintenance design, plan migration to active S12/S12X parts.
Recomendado
Industrial PLC Module
Industrial PLC front-end modules benefit from the MC68HC16Z1CAG16 combination of a 16-bit datapath, EBI for fast SRAM/ROM expansion, and SCI for RS-232/RS-485 fieldbus. The CPU16 core at 16 MHz handles ladder-logic scanning and PID loops while the watchdog timer ensures safe-state recovery on firmware faults. The 144-LQFP footprint provides ample I/O for digital-input conditioning on a single chip, and the modular IMB bus eases peripheral reuse across the Z-series.
Recomendado
Motor Control Edge Node
Variable-frequency drive edge nodes harness the MC68HC16Z1CAG16 PWM timer, EBI for IGBT gate-driver interfaces, and SCI for CAN-bridge or RS-485 commissioning. The 16-bit datapath delivers precise duty-cycle computation and SVPWM modulation, while the SPI port reaches ADC and resolver chips for current/position feedback. Designers appreciate the 5V-tolerant I/O and the wide industrial operating range typical of M68HC16 parts. Modern equivalents use the S12ZVFP for cleaner BOM.
Recomendado
Medical Instrumentation Front-End
Bedside patient-monitor front-ends historically pair a 16-bit CPU with a precision ADC, and the MC68HC16Z1CAG16 fits through its SPI to ADC bridges, SCI to host computer link, and EBI to memory-mapped display buffers. The ROMless architecture allows medical OEMs to comply with FDA traceability via a unique firmware build per instrument. The 144-LQFP package gives enough GPIO for keypad, alarm, and LCD bias. New medical designs should default to active-portfolio ARM Cortex-M parts.
Recomendado
Factory Sensor Hub / SPI Bridge
Industrial sensor hubs aggregate analog and digital sensors through SPI and SCI buses, and the MC68HC16Z1CAG16's SPI port plus SCI port and 16-bit GPIO lines enable hub designs that front-end MEMS accelerometers, temperature arrays, and digital pressure sensors. The CPU16 core handles MODBUS RTU encoding on the SCI while forwarding SPI telemetry to a higher-tier controller. The ROMless firmware approach simplifies OEM-specific calibration.
Recomendado
Test and Measurement Instrumentation
Bench instruments such as data loggers and protocol analyzers use the MC68HC16Z1CAG16 to capture serial traffic and buffer it to external memory, leveraging the EBI's wide address reach and the SCI/SPI ports for multi-protocol ingest. The CPU16's 16-bit datapath accelerates FFT pre-processing and statistics accumulation in firmware. ROMless program memory enables last-minute protocol decoder updates in production.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC68HC16Z1CAG16 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC68HC16Z1MAG16 | MC68CK16Z1CAG16 | MC68HC16Z1CPV16 | MC68HC16Z1CAG25 | MC68HC16Z2CAG16 |
|---|---|---|---|---|---|---|
| Package | 144-LQFP (20x20 mm) | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | CPU16 16-Bit | CPU16 16-Bit | CPU16 16-Bit | CPU16 16-Bit | CPU16 16-Bit | CPU16 16-Bit |
| Maximum Clock | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 25 MHz | 16 MHz |
| Program Memory | ROMless | ROMless | ROMless | ROMless | ROMless | ROMless |
| RAM Size | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 2 KB |
| Connectivity | EBI/EMI, SCI, SPI | EBI/EMI, SCI, SPI | EBI/EMI, SCI, SPI + crypto | EBI/EMI, SCI, SPI | EBI/EMI, SCI, SPI | EBI/EMI, SCI, SPI, +CAN |
| Lifecycle Status | Last Time Buy (Discontinuance) | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy |
Diferenciadores clave
- M68HC11 upward code-compatibility within 144-LQFP pinout (frente a MC68HC11F1CPU4)
- Higher speed and on-chip memory in same M68HC16 Z-series package (frente a MC68HC16Z1CAG25)
- Internal EBI for external Flash/RAM expansion (frente a MC9S12H256VFVE)
Notas de diseño
Estimated supply current for the MC68HC16Z1CAG16 operating at 16 MHz with all peripherals active is approximately 50-80 mA from a 5 V rail, plus I/O drive into loaded pins. Place 100 nF ceramic decoupling capacitors within 5 mm of each VDD/VSS pair and a bulk 10 uF tantalum at the board entry point. The POR block resets cleanly only when VDD rises monotonically above the specified minimum - use a supervisor or follow the Freescale application note for power-rail ramp.
The 144-LQFP requires length matching on the EBI address and data bus at full 16 MHz operation. Keep bus traces under 50 mm total length on the inner layers, and use matched impedance (typically 50 ohms) for traces longer than 25 mm. Place external memory devices adjacent to the EBI port pins to minimize stub lengths. For prototype work, follow the M68HC16Z-series reference design from the Freescale evaluation board manual.
Do not assume the ROMless boot mode begins execution at 0x000000 unconditionally - the CPU16 reset vector and chip-select configuration depend on the external memory map and bootloader. Read the boot-mode section of the Freescale datasheet before designing the address decoding. Also note that since the part is on the NXP Discontinuance list, qualify a replacement from the HCS12 or S12X families (for example S912XDT384J1MAG or MC9S12HZ256CPV) before design freeze to avoid future retooling.
Estimated junction temperature for the MC68HC16Z1CAG16 at full 16 MHz with all ports switching: P_D ~0.4 W typical. With R_thetaJA of approximately 50 C/W for the 144-LQFP on a JEDEC 2S2P test board, junction rise is roughly 20 C above ambient, leaving comfortable margin to the 125 C junction limit. For sealed enclosures, verify with derating curves in the Freescale datasheet.
Información de cumplimiento
RoHS and lead-free status not stated in the verified distributor snippets - design teams must request the material declaration from NXP for new programs. Conflict-mineral compliance assumed compliant per NXP corporate policy.
