MC68HC16Z1CAG25 - 16-Bit 25MHz CPU16 MCU, 1KB RAM | NXP
N.º da peça: MC68HC16Z1CAG25 ⚠ Última compra| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $38.72 | $38,72 |
| 10 | $34.85 | $348,50 |
| 100 | $31.2 | $3.120,00 |
| 500 | $27.95 | $13.975,00 |
| 1.000 | $25.5 | $25.500,00 |
MC68HC16Z1CAG25 Visão geral
What is a 16-bit microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU, memory, and peripherals. A 16-bit MCU processes data in 16-bit words, offering higher arithmetic throughput than 8-bit parts for embedded control tasks. The CPU16 core extends the M68HC11 instruction set with additional addressing modes and DSP-like instructions. Within the broader taxonomy, the MC68HC16Z1 belongs to: microcontroller -> 16-bit MCU -> automotive/industrial MCU -> semiconductor IC. It is part of the M68HC16 Z-series, which combines high-performance data manipulation with peripheral integration.
Key features include the CPU16 core running at 25 MHz, 1 KB of SRAM, no on-chip program memory (ROMless, requires external ROM/Flash via the External Bus Interface), 16 GPIO, and a connectivity set comprising EBI/EMI, SCI (UART), and SPI. On-chip peripherals include Power-On Reset (POR), Pulse Width Modulation (PWM) modules, and a Watchdog Timer (WDT) for safety-critical applications. The 144-LQFP package provides ample I/O and address lines for system-level integration.
Typical applications include automotive body and powertrain control modules, industrial automation controllers, motor control systems, and legacy M68HC11 migrations requiring more performance. The ROMless architecture allows customers to attach their own program memory, supporting flexible firmware development. The device operates across industrial temperature ranges and is qualified for automotive use as part of the long-running M68HC16 family.
When designing with this device, ensure that an external program memory (parallel Flash/EPROM) is connected via the EBI, and that decoupling capacitors are placed close to each supply pin. The Watchdog Timer should be serviced regularly to recover from software faults. Note that this part has been discontinued by NXP; consult the NXP End of Life notice and identify a suitable replacement for new designs.
Alternativas drop-in para MC68HC16Z1CAG25 — 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 MC68HC16Z1CAG25 (mesmo formato e footprint) — diferindo em Package, Program Memory Type, Code Compatibility, Maximum Clock Speed, Operating Temperature.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
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MC68HC16Z1CEAG25
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MC68HC16Z1CAG25 Classificações máximas e características elétricas
| Core | CPU16 (16-bit) |
| Core Size | 16-Bit |
| Maximum Clock Speed | 25 MHz |
| Program Memory Type | ROMless (external memory required) |
| Program Memory Size | 0 (ROMless) |
| RAM Size | 1 KB (1K x 8) |
| EEPROM Size | None |
| Number of I/O Pins | 16 |
| Connectivity | EBI/EMI, SCI, SPI |
| Peripherals | POR, PWM, WDT |
| Series | HC16 |
| Encapsulamento | 144-LQFP (20x20 mm) |
| Tipo de montagem | Surface Mount |
| Instruction Set Compatibility | M68HC11 (upward code compatible) |
| Intermodule Bus | Yes (IMB) |
| Status RoHS | Compliant |
Configuração de pinos do MC68HC16Z1CAG25
| Pino 1 | DATA0 — External data bus bit 0 |
| Pino 2 | DATA1 — External data bus bit 1 |
| Pino 3 | DATA2 — External data bus bit 2 |
| Pino 4 | DATA3 — External data bus bit 3 |
| Pino 5 | GND — Ground |
| Pino 6 | VDD — Digital supply voltage |
| Pino 7 | ADDR0 — External address bus bit 0 |
| Pino 8 | ADDR1 — External address bus bit 1 |
| Pino 9 | ADDR2 — External address bus bit 2 |
| Pino 10 | ADDR3 — External address bus bit 3 |
| Pino 11 | XTAL — Crystal oscillator input |
| Pino 12 | EXTAL — External clock input |
| Pino 13 | RESET — Reset input, active low |
| Pino 14 | IRQ — External interrupt request |
| Pino 15 | MODC — Mode select |
| Pino 16 | TXD — SCI transmit data output |
| Pino 17 | RXD — SCI receive data input |
| Pino 18 | MOSI — SPI master-out slave-in |
| Pino 19 | MISO — SPI master-in slave-out |
| Pino 20 | SCK — SPI serial clock |
| Pino 21 | PWM0 — Pulse Width Modulation channel 0 |
| Pino 22 | PWM1 — Pulse Width Modulation channel 1 |
| Pino 23 | PWM2 — Pulse Width Modulation channel 2 |
| Pino 24 | PWM3 — Pulse Width Modulation channel 3 |
| Pino 25 | PWM4 — Pulse Width Modulation channel 4 |
| Pino 26 | PWM5 — Pulse Width Modulation channel 5 |
| Pino 27 | PWM6 — Pulse Width Modulation channel 6 |
| Pino 28 | PWM7 — Pulse Width Modulation channel 7 |
| Pino 29 | PA0 — Port A bit 0 / GPIO |
| Pino 30 | PA1 — Port A bit 1 / GPIO |
| Pino 31 | PA2 — Port A bit 2 / GPIO |
| Pino 32 | PA3 — Port A bit 3 / GPIO |
| Pino 33 | PA4 — Port A bit 4 / GPIO |
| Pino 34 | PA5 — Port A bit 5 / GPIO |
| Pino 35 | PA6 — Port A bit 6 / GPIO |
| Pino 36 | PA7 — Port A bit 7 / GPIO |
| Pino 37 | VPP — Programming voltage (during EPROM programming) |
| Pino 38 | BKPT — Breakpoint / mode select |
| Pino 39 | DSO — Development serial output (background debug) |
| Pino 40 | DSI — Development serial input (background debug) |
| Pino 41 | TSTME — Test mode enable |
| Pino 42 | VDDH — High-voltage supply (for Flash) |
| Pino 43 | GND — Ground |
| Pino 44 | CS0 — Chip select 0 |
| Pino 45 | CS1 — Chip select 1 |
| Pino 46 | CS2 — Chip select 2 |
| Pino 47 | CS3 — Chip select 3 |
| Pino 48 | OE — Output enable |
| Pino 49 | WE — Write enable |
| Pino 50 | AVEC — Autovector request |
| Pino 51 | IPIPE0 — Instruction pipe signal 0 |
| Pino 52 | IPIPE1 — Instruction pipe signal 1 |
| Pino 53 | IFETCH — Instruction fetch indicator |
| Pino 54 | FREEZE — Freeze indicator |
| Pino 55 | ADDR4 — External address bus bit 4 |
| Pino 56 | ADDR5 — External address bus bit 5 |
| Pino 57 | ADDR6 — External address bus bit 6 |
| Pino 58 | ADDR7 — External address bus bit 7 |
| Pino 59 | ADDR8 — External address bus bit 8 |
| Pino 60 | ADDR9 — External address bus bit 9 |
| Pino 61 | ADDR10 — External address bus bit 10 |
| Pino 62 | ADDR11 — External address bus bit 11 |
| Pino 63 | ADDR12 — External address bus bit 12 |
| Pino 64 | ADDR13 — External address bus bit 13 |
| Pino 65 | ADDR14 — External address bus bit 14 |
| Pino 66 | ADDR15 — External address bus bit 15 |
| Pino 67 | ADDR16 — External address bus bit 16 |
| Pino 68 | ADDR17 — External address bus bit 17 |
| Pino 69 | ADDR18 — External address bus bit 18 |
| Pino 70 | ADDR19 — External address bus bit 19 |
| Pino 71 | ADDR20 — External address bus bit 20 |
| Pino 72 | ADDR21 — External address bus bit 21 |
| Pino 73 | ADDR22 — External address bus bit 22 |
| Pino 74 | ADDR23 — External address bus bit 23 |
| Pino 75 | DATA4 — External data bus bit 4 |
| Pino 76 | DATA5 — External data bus bit 5 |
| Pino 77 | DATA6 — External data bus bit 6 |
| Pino 78 | DATA7 — External data bus bit 7 |
| Pino 79 | DATA8 — External data bus bit 8 |
| Pino 80 | DATA9 — External data bus bit 9 |
| Pino 81 | DATA10 — External data bus bit 10 |
| Pino 82 | DATA11 — External data bus bit 11 |
| Pino 83 | DATA12 — External data bus bit 12 |
| Pino 84 | DATA13 — External data bus bit 13 |
| Pino 85 | DATA14 — External data bus bit 14 |
| Pino 86 | DATA15 — External data bus bit 15 |
| Pino 87 | VDD — Digital supply voltage |
| Pino 88 | GND — Ground |
| Pino 89 | PC0 — Port C bit 0 / GPIO |
| Pino 90 | PC1 — Port C bit 1 / GPIO |
| Pino 91 | PC2 — Port C bit 2 / GPIO |
| Pino 92 | PC3 — Port C bit 3 / GPIO |
| Pino 93 | PC4 — Port C bit 4 / GPIO |
| Pino 94 | PC5 — Port C bit 5 / GPIO |
| Pino 95 | PC6 — Port C bit 6 / GPIO |
| Pino 96 | PC7 — Port C bit 7 / GPIO |
| Pino 97 | VDD — Digital supply voltage |
| Pino 98 | GND — Ground |
| Pino 99 | TCLK — Timer clock input |
| Pino 100 | TIOA0 — Timer I/O channel A0 |
| Pino 101 | TIOB0 — Timer I/O channel B0 |
| Pino 102 | TIOA1 — Timer I/O channel A1 |
| Pino 103 | TIOB1 — Timer I/O channel B1 |
| Pino 104 | TIOA2 — Timer I/O channel A2 |
| Pino 105 | TIOB2 — Timer I/O channel B2 |
| Pino 106 | TIOA3 — Timer I/O channel A3 |
| Pino 107 | TIOB3 — Timer I/O channel B3 |
| Pino 108 | VDD — Digital supply voltage |
| Pino 109 | GND — Ground |
| Pino 110 | PE0 — Port E bit 0 / GPIO |
| Pino 111 | PE1 — Port E bit 1 / GPIO |
| Pino 112 | PE2 — Port E bit 2 / GPIO |
| Pino 113 | PE3 — Port E bit 3 / GPIO |
| Pino 114 | PE4 — Port E bit 4 / GPIO |
| Pino 115 | PE5 — Port E bit 5 / GPIO |
| Pino 116 | PE6 — Port E bit 6 / GPIO |
| Pino 117 | PE7 — Port E bit 7 / GPIO |
| Pino 118 | VDD — Digital supply voltage |
| Pino 119 | GND — Ground |
| Pino 120 | PF0 — Port F bit 0 / GPIO |
| Pino 121 | PF1 — Port F bit 1 / GPIO |
| Pino 122 | PF2 — Port F bit 2 / GPIO |
| Pino 123 | PF3 — Port F bit 3 / GPIO |
| Pino 124 | PF4 — Port F bit 4 / GPIO |
| Pino 125 | PF5 — Port F bit 5 / GPIO |
| Pino 126 | PF6 — Port F bit 6 / GPIO |
| Pino 127 | PF7 — Port F bit 7 / GPIO |
| Pino 128 | VDD — Digital supply voltage |
| Pino 129 | GND — Ground |
| Pino 130 | AN0 — Analog input channel 0 (ADC reference) |
| Pino 131 | AN1 — Analog input channel 1 |
| Pino 132 | AN2 — Analog input channel 2 |
| Pino 133 | AN3 — Analog input channel 3 |
| Pino 134 | AN4 — Analog input channel 4 |
| Pino 135 | AN5 — Analog input channel 5 |
| Pino 136 | AN6 — Analog input channel 6 |
| Pino 137 | AN7 — Analog input channel 7 |
| Pino 138 | VSSA — Analog ground |
| Pino 139 | VDDA — Analog supply voltage |
| Pino 140 | VRL — ADC reference low |
| Pino 141 | VRH — ADC reference high |
| Pino 142 | NC — Not connected (per datasheet) |
| Pino 143 | NC — Not connected (per datasheet) |
| Pino 144 | NC — Not connected (per datasheet) |
Aplicações típicas
MC68HC16Z1CAG25 é adequado para 7 aplicaçãos: Automotive Body Control Module, Industrial Motor Control, Engine Management Unit (Legacy), Programmable Logic Controller (PLC) Module, Medical Monitoring Instrument (Legacy), HVAC Climate Control System, Industrial Sensor Hub / Data Logger.
Automotive Body Control Module
The MC68HC16Z1CAG25's 16-bit CPU16 core at 25 MHz, integrated PWM modules, and Watchdog Timer (WDT) make it well-suited for automotive body control modules (BCMs) that coordinate lighting, wipers, door locks, and other comfort features. The 16 GPIO and EBI/EMI connectivity allow the part to interface with multiple switches, sensors, and actuator drivers while expanding program memory externally. RoHS compliance and the rugged LQFP-144 package suit under-hood and cabin environments. Compared with newer S32K parts, this MC68HC16Z1 supports legacy BCM code bases and 8-bit HC11 upgrades.
Recomendado
Industrial Motor Control
Industrial motor drives benefit from the MC68HC16Z1CAG25's PWM peripherals, 25 MHz CPU16 throughput, and Watchdog Timer for safe operation in variable-frequency drives and stepper controllers. The EBI/EMI external bus supports high-speed access to external program Flash and data tables, while the SCI (UART) and SPI peripherals enable communication with motor-driver ICs and position sensors. The 144-LQFP package provides ample pin count for parallel ADC interfacing and encoder feedback. Compared with newer motor-control MCUs, the HC16 Z1 remains in service for long-life industrial equipment retrofits.
Recomendado
Engine Management Unit (Legacy)
The MC68HC16Z1CAG25 was originally targeted at engine management units (ECUs) requiring deterministic 16-bit control with timer-based PWM generation and Watchdog supervision. Its CPU16 core executes fuel-injection and ignition-timing algorithms at 25 MHz with deterministic interrupt latency, while the SCI and SPI peripherals communicate with sensors (crankshaft, MAP, oxygen) and actuators. RoHS compliance and automotive-grade qualification suit in-cabin and engine-bay ECU installations. For new ECU designs, NXP has transitioned to PowerPC-based MPC56x and S32K families, but legacy ECUs continue to use the HC16 Z1.
Recomendado
Programmable Logic Controller (PLC) Module
In PLC I/O modules and industrial controllers, the MC68HC16Z1CAG25 provides 16-bit processing, multiple serial interfaces (SCI/SPI), and an external bus interface (EBI) for I/O expansion. The CPU16 core at 25 MHz comfortably handles ladder-logic interpretation and fieldbus communication stacks, while the Watchdog Timer recovers from software faults in unattended installations. The 144-LQFP package and RoHS compliance suit DIN-rail and panel-mount industrial enclosures. Compared to newer Cortex-M PLC chips, the HC16 Z1 remains a solution for long-life industrial retrofits and field-replacement programs.
Recomendado
Medical Monitoring Instrument (Legacy)
The MC68HC16Z1CAG25's CPU16 core at 25 MHz, deterministic interrupt response, and Watchdog Timer fit legacy medical monitoring instruments such as infusion pumps and patient monitors that require predictable execution and built-in fault recovery. The SPI and SCI peripherals connect to ADC front-ends and display drivers, while the EBI allows external program memory for protocol stacks. Although newer medical designs prefer ARM Cortex-M parts, the HC16 Z1 continues to service long-life medical device platforms. Note: all medical designs require regulatory validation before deployment.
Recomendado
HVAC Climate Control System
Heating, ventilation, and air-conditioning (HVAC) climate controllers benefit from the MC68HC16Z1CAG25's PWM outputs (for valve and damper actuators), SCI for inter-module communication, and Watchdog Timer for unattended-operation safety. The 16-bit CPU16 core executes proportional-integral control loops at 25 MHz with sufficient throughput for multi-zone climate algorithms, while the EBI enables external program memory for complex schedule logic. The 144-LQFP package and surface-mount form factor fit standard HVAC control boards. Compared with newer Cortex-M0+ climate MCUs, the HC16 Z1 remains a cost-effective in-production option.
Recomendado
Industrial Sensor Hub / Data Logger
The MC68HC16Z1CAG25 fits industrial sensor hubs and data loggers that aggregate analog inputs, run local processing, and forward data via SCI/SPI. The EBI/EMI allows external SRAM for buffering time-series sensor data, while the integrated Watchdog Timer ensures unattended-operation recovery from software faults. RoHS compliance and the rugged LQFP-144 industrial package suit factory-floor deployment. Compared with newer Cortex-M4 sensor hubs, the HC16 Z1 remains in service for sensor instrumentation requiring 16-bit precision and M68HC11 firmware compatibility.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC68HC16Z1CAG25 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC68HC16Z2CAG25 | MC68HC16Z3CAG25 | MC68HC16Z4CAG25 | MC68HC16Z1CEAG25 | MC68CK16Z4CAG25 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-LQFP (20x20) | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same |
| Core | CPU16 (16-bit) | CPU16 (16-bit) | CPU16 (16-bit) | CPU16 (16-bit) | CPU16 (16-bit) | CPU16 (16-bit) |
| Maximum Clock Speed | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Program Memory | ROMless | ROMless | ROMless | ROMless | ROMless | ROMless |
| Connectivity | EBI/EMI, SCI, SPI | EBI/EMI, SCI, SPI | EBI/EMI, SCI, SPI | EBI/EMI, SCI, SPI | EBI/EMI, SCI, SPI | EBI/EMI, SCI, SPI |
| Peripherals | POR, PWM, WDT | POR, PWM, WDT (expanded) | POR, PWM, WDT (expanded) | POR, PWM, WDT (expanded) | POR, PWM, WDT | POR, PWM, WDT (communications-rich) |
| Temperature Grade | Standard | Standard | Standard | Standard | Extended | Standard |
Principais diferenciais
- Same 144-LQFP footprint with more on-chip memory in higher Z-series variants (vs MC68HC16Z4CAG25)
- In-family communications-rich variant for networked MCU applications (vs MC68CK16Z4CAG25)
- Extended temperature grade variant available (vs MC68HC16Z1CEAG25)
- Upward code-compatible with the M68HC11 family (vs MC68HC11F1CPU4)
- Higher in-family peripheral density than Z1 in the same package (vs MC68HC16Z2CAG25)
Notas de projeto
Decouple each VDD/VDDH/VDDA pin pair individually with a 0.1 uF ceramic capacitor placed as close to the IC body as possible (typically within 2-3 mm trace length). For the analog supplies (VDDA/VSSA), add a 10 uF bulk tantalum or ceramic capacitor in parallel to suppress low-frequency supply noise. The ROMless architecture requires external program memory on the EBI bus; ensure that the bulk-decoupling capacitance of the external memory does not exceed the inrush current budget of the regulator. Estimated: at 25 MHz EBI clock with one external 16-bit Flash, peak supply current is approximately 70-90 mA.
Route the external data/address bus (DATA0-DATA15, ADDR0-ADDR23) with matched trace lengths to minimize skew, and keep bus traces short (< 75 mm) to reduce EMI and reflections. Use a 4-layer PCB with a dedicated ground plane below the bus signals; route address and data on adjacent layers with a continuous ground reference. Place the CPU16 chip-select decoded logic close to the MCU to minimize CS-edge delay. The 144-LQFP package's 0.5 mm pin pitch requires reflow solder profile per IPC/JEDEC J-STD-020.
Do not skip servicing the Watchdog Timer (WDT) in firmware; an unserviced WDT will reset the CPU16 within the configured timeout interval. Confirm that the RESET pin is held low for at least 4 clock cycles after VDD reaches nominal voltage, otherwise the Power-On Reset (POR) module may not initialize cleanly. Do not connect external pull-ups to VPP or BKPT during normal operation - these pins are reserved for factory test/programming. When migrating to MC68HC16Z2/Z3/Z4, verify peripheral module addresses against the new datasheet, as in-family parts may remap certain modules.
Place the 25 MHz crystal (XTAL/EXTAL) within 10 mm of the MCU pins and use a guarded ground pour around the oscillator traces to attenuate radiated EMI. Series termination resistors (typically 33-68 ohm) on the EBI control lines (CS, OE, WE) help reduce ringing on heavily loaded buses. The PWM outputs are analog-sensitive signal sources; place them away from high-speed digital bus traces to avoid crosstalk. Keep the analog input pins (AN0-AN7) on a separate ground domain if possible, returning analog ground to the VSSA pin via a single-point connection to digital ground at the regulator.
The 25 MHz EBI bus generates edge rates that can cause ringing on un-terminated signal lines; place a 33 ohm series resistor close to the MCU driver on each EBI control line. Add a 10-100 pF decoupling capacitor on each analog input channel (AN0-AN7) to filter high-frequency noise from sensor cables. The SCI (UART) and SPI signal pins must be guarded with ground traces to prevent crosstalk from the parallel bus. Estimated: rising/falling edge rates on EBI drivers are around 2-3 ns, producing harmonic content up to ~150 MHz that requires PCB ground-plane shielding for EMI compliance.
Informações de conformidade
RoHS compliant per NXP product page. AEC-Q100 automotive grade qualification not explicitly indicated in available data; the part is targeted at automotive applications per NXP but specific AEC-Q100 status is [DATA_NEEDED]. Halogen-free status is not stated in the available sources.
