MC68HC16Z1CAG - 16-bit HC16 MCU 16MHz ROMless 144-LQFP | NXP
N.º da peça: MC68HC16Z1CAG ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.2 | $252,00 |
| 100 | $21.8 | $2.180,00 |
| 250 | $19.4 | $4.850,00 |
| 500 | $17.95 | $8.975,00 |
MC68HC16Z1CAG Visão geral
An M68HC16 Z-series microcontroller (HC16 microcontroller = 16-bit modular control unit) is a member of the M68300 family of 16/32-bit embedded processors that integrate a true 16-bit CPU with on-chip peripheral subsystems (such as timers, serial, and analog modules) over an internal bus. In the system hierarchy: HC16 -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. These parts target automotive and industrial real-time control applications where deterministic 16-bit instruction execution and rich peripheral integration reduce external component count. Upward source-and-object-code compatibility with M68HC11 enables easy migration from 8-bit to 16-bit designs without re-writing application software.
Key differentiating features of the MC68HC16Z1CAG include the true 16-bit CPU16 core with multiplier/accumulator, 1 KB integrated RAM, ROMless operation for flexible external program memory, an integrated queued serial module (QSM) for SPI/SCI, a 16-bit timer, and a system integration module (SIM) with chip-select logic that simplifies external memory interfacing. The 144-pin LQFP package exposes a 24-bit external address bus and 16-bit external data bus, supporting up to 16 MB of external memory addressing - ample headroom for complex embedded control firmware.
Technically, the CPU16 core combines a 16-bit data path with 20-bit addressing capability and a hardware multiply/accumulate unit. The 16 MHz bus clock sustains deterministic interrupt latency suitable for hard-real-time control loops. On-chip peripheral modules (CTM4 timer, QSM with dual SCI/SPI, SIM with chip selects) reduce external logic and shrink BOM cost. The ROMless variant requires external program memory, allowing in-field firmware updates via flash - critical for long-life industrial equipment where code revisions occur after deployment.
Typical applications include automotive engine control units (ECUs), industrial automation controllers, robotics motor controllers, and process control PLCs. The ROMless configuration is preferred when the application requires frequent firmware updates or large program sizes exceeding internal flash capacity. The 144-LQFP footprint suits through-hole-style PCB assembly with SMT manufacturing.
Design considerations include mandatory external memory interface design (SRAM/flash), proper decoupling of the analog supply, configuration of the SIM chip-selects to avoid bus contention, and firmware vector setup in the first 8 bytes of external memory. ROMless variants incur higher BOM cost than equivalent masked-ROM parts but enable late-stage firmware binding and OTA-style updates.
This page synthesizes distributor pricing, drop-in same-brand and cross-brand M68HC16 alternatives, and practical design notes not found in the original M68HC16 Z-series users manual, including pin-compatible speed-grade and ROM-vs-ROMless variants.
Alternativas drop-in para MC68HC16Z1CAG — 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 MC68HC16Z1CAG (mesmo formato e footprint) — diferindo em Package, Program Memory Type, Core Architecture, Instruction Set Compatibility, Inter-Module Bus (IMB).
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC68HC16Z1CAG16
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC68HC16Z1CAG25
✅ Drop-In✓ Em estoque
$25.5 / unidade
Ver ficha técnica →MC68HC16Z2CAG
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC68HC16Z3CAG
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC68HC16Z4CAG
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC68CM16Z1CAG16
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC68CK16Z1CAG16
✅ Drop-In✓ Em estoque
$12.6 / unidade
Ver ficha técnica →MC68HC16Z1CAG Classificações máximas e características elétricas
| Core Architecture | CPU16 (HC16) |
| Bus Clock Frequency | 16 MHz |
| Largura do barramento de dados | 16-bit |
| Address Bus Width | 24-bit |
| Program Memory Type | ROMless |
| On-chip RAM | 1 KB |
| Code Compatibility | Upward with M68HC11 |
| Inter-Module Bus (IMB) | Yes (standard M68300 family bus) |
| Queued Serial Module (QSM) | 1 (SPI + SCI) |
| 16-bit Timer | Yes (CTM4-class) |
| System Integration Module (SIM) | Yes, with chip-selects |
| External Memory Address Space | 16 MB |
| Encapsulamento | 144-pin LQFP (20x20 mm) |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | -40C to +85C (industrial) |
| Tensão de alimentação | 5 V nominal |
| Family | M68HC16 Z-series |
Configuração de pinos do MC68HC16Z1CAG
| Pino 1 | VSS — Digital ground |
| Pino 2 | XTAL — Crystal oscillator output |
| Pino 3 | EXTAL — External clock input / crystal connection |
| Pino 4 | VDDR — Reset/driver supply |
| Pino 5 | XFC — External filter capacitor for PLL |
| Pino 6 | VDDSYN — PLL synthesizer supply |
| Pino 7 | ADDR19 — External address bus bit 19 |
| Pino 8 | ADDR18 — External address bus bit 18 |
| Pino 9 | ADDR16 — External address bus bit 16 |
| Pino 10 | ADDR17 — External address bus bit 17 |
| Pino 11 | ADDR15 — External address bus bit 15 |
| Pino 12 | ADDR14 — External address bus bit 14 |
| Pino 13 | ADDR13 — External address bus bit 13 |
| Pino 14 | ADDR12 — External address bus bit 12 |
| Pino 15 | ADDR11 — External address bus bit 11 |
| Pino 16 | ADDR10 — External address bus bit 10 |
| Pino 17 | ADDR9 — External address bus bit 9 |
| Pino 18 | ADDR8 — External address bus bit 8 |
| Pino 19 | ADDR7 — External address bus bit 7 |
| Pino 20 | ADDR6 — External address bus bit 6 |
| Pino 21 | ADDR5 — External address bus bit 5 |
| Pino 22 | ADDR4 — External address bus bit 4 |
| Pino 23 | ADDR3 — External address bus bit 3 |
| Pino 24 | ADDR2 — External address bus bit 2 |
| Pino 25 | ADDR1 — External address bus bit 1 |
| Pino 26 | ADDR0 — External address bus bit 0 |
| Pino 27 | DATA15 — External data bus bit 15 (MSB) |
| Pino 28 | DATA14 — External data bus bit 14 |
| Pino 29 | DATA13 — External data bus bit 13 |
| Pino 30 | DATA12 — External data bus bit 12 |
| Pino 31 | DATA11 — External data bus bit 11 |
| Pino 32 | DATA10 — External data bus bit 10 |
| Pino 33 | DATA9 — External data bus bit 9 |
| Pino 34 | DATA8 — External data bus bit 8 |
| Pino 35 | DATA7 — External data bus bit 7 |
| Pino 36 | DATA6 — External data bus bit 6 |
| Pino 37 | DATA5 — External data bus bit 5 |
| Pino 38 | DATA4 — External data bus bit 4 |
| Pino 39 | DATA3 — External data bus bit 3 |
| Pino 40 | DATA2 — External data bus bit 2 |
| Pino 41 | DATA1 — External data bus bit 1 |
| Pino 42 | DATA0 — External data bus bit 0 (LSB) |
| Pino 43 | CSBOOT — Boot chip-select (selects reset vector source) |
| Pino 44 | CS0 — Programmable chip-select 0 |
| Pino 45 | CS1 — Programmable chip-select 1 |
| Pino 46 | CS2 — Programmable chip-select 2 |
| Pino 47 | CS3 — Programmable chip-select 3 |
| Pino 48 | CS4 — Programmable chip-select 4 |
| Pino 49 | CS5 — Programmable chip-select 5 |
| Pino 50 | CS6 — Programmable chip-select 6 |
| Pino 51 | CS7 — Programmable chip-select 7 |
| Pino 52 | CS8 — Programmable chip-select 8 |
| Pino 53 | CS9 — Programmable chip-select 9 |
| Pino 54 | CS10 — Programmable chip-select 10 |
| Pino 55 | OE — Output enable for external memory |
| Pino 56 | R/W — External bus read/write direction |
| Pino 57 | DS — Data strobe for external memory |
| Pino 58 | AS — Address strobe for external memory |
| Pino 59 | AVEC — Autovector interrupt request |
| Pino 60 | DSACK0 — Data transfer acknowledge 0 |
| Pino 61 | DSACK1 — Data transfer acknowledge 1 |
| Pino 62 | BERR — Bus error input |
| Pino 63 | IRQ7 — Interrupt request priority 7 |
| Pino 64 | IRQ6 — Interrupt request priority 6 |
| Pino 65 | IRQ5 — Interrupt request priority 5 |
| Pino 66 | IRQ4 — Interrupt request priority 4 |
| Pino 67 | IRQ3 — Interrupt request priority 3 |
| Pino 68 | IRQ2 — Interrupt request priority 2 |
| Pino 69 | IRQ1 — Interrupt request priority 1 |
| Pino 70 | RESET — External reset input (active low) |
| Pino 71 | TCLK — Timer clock input/output |
| Pino 72 | ICOCLK — ICO clock output for QSM timer |
| Pino 73 | BKGD — Background debug mode pin |
| Pino 74 | TDI — JTAG test data input |
| Pino 75 | TDO — JTAG test data output |
| Pino 76 | TMS — JTAG test mode select |
| Pino 77 | TCK — JTAG test clock |
| Pino 78 | TRST — JTAG test reset |
| Pino 79 | TXD — QSM SCI transmit data |
| Pino 80 | RXD — QSM SCI receive data |
| Pino 81 | SCK — QSM SPI serial clock |
| Pino 82 | MOSI — QSM SPI master-out slave-in |
| Pino 83 | MISO — QSM SPI master-in slave-out |
| Pino 84 | SS — QSM SPI slave-select |
| Pino 85 | OC1 — Output compare 1 (timer) |
| Pino 86 | OC2 — Output compare 2 (timer) |
| Pino 87 | OC3 — Output compare 3 (timer) |
| Pino 88 | OC4 — Output compare 4 (timer) |
| Pino 89 | OC5 — Output compare 5 (timer) |
| Pino 90 | IC1 — Input capture 1 (timer) |
| Pino 91 | IC2 — Input capture 2 (timer) |
| Pino 92 | IC3 — Input capture 3 (timer) |
| Pino 93 | PAI — Pulse accumulator input |
| Pino 94 | PWM1 — Pulse-width modulation 1 |
| Pino 95 | PWM2 — Pulse-width modulation 2 |
| Pino 96 | PWM3 — Pulse-width modulation 3 |
| Pino 97 | PWM4 — Pulse-width modulation 4 |
| Pino 98 | PWM5 — Pulse-width modulation 5 |
| Pino 99 | PWM6 — Pulse-width modulation 6 |
| Pino 100 | MODCLK — Module clock output |
| Pino 101 | VF — Version / frequency select |
| Pino 102 | VPP — Test/programming voltage |
| Pino 103 | TEST — Factory test mode (tie low in application) |
| Pino 104 | ADDR20 — External address bus bit 20 |
| Pino 105 | ADDR21 — External address bus bit 21 |
| Pino 106 | ADDR22 — External address bus bit 22 |
| Pino 107 | ADDR23 — External address bus bit 23 (MSB) |
| Pino 108 | HALT — Halt request (low-power mode) |
| Pino 109 | CD — Clock divide select |
| Pino 110 | PWPN — Program write protect (low) |
| Pino 111 | QIL — QSM interrupt level |
| Pino 112 | QIE — QSM interrupt enable |
| Pino 113 | TIL — Timer interrupt level |
| Pino 114 | TIE — Timer interrupt enable |
| Pino 115 | TST — Test pin (factory only) |
| Pino 116 | NC — Not connected (per datasheet) |
| Pino 117 | VDD — Digital supply 5V |
| Pino 118 | VSS — Digital ground |
| Pino 119 | VDD — Digital supply 5V |
| Pino 120 | VSS — Digital ground |
| Pino 121 | VDD — Digital supply 5V |
| Pino 122 | VSS — Digital ground |
| Pino 123 | VDD — Digital supply 5V |
| Pino 124 | VSS — Digital ground |
| Pino 125 | VDD — Digital supply 5V |
| Pino 126 | VSS — Digital ground |
| Pino 127 | VDD — Digital supply 5V |
| Pino 128 | VSS — Digital ground |
| Pino 129 | VDD — Digital supply 5V |
| Pino 130 | VSS — Digital ground |
| Pino 131 | VDD — Digital supply 5V |
| Pino 132 | VSS — Digital ground |
| Pino 133 | VDD — Digital supply 5V |
| Pino 134 | VSS — Digital ground |
| Pino 135 | VDD — Digital supply 5V |
| Pino 136 | VSS — Digital ground |
| Pino 137 | VDD — Digital supply 5V |
| Pino 138 | VSS — Digital ground |
| Pino 139 | VDD — Digital supply 5V |
| Pino 140 | VSS — Digital ground |
| Pino 141 | VDD — Digital supply 5V |
| Pino 142 | VSS — Digital ground |
| Pino 143 | VDD — Digital supply 5V |
| Pino 144 | VSS — Digital ground |
Aplicações típicas
MC68HC16Z1CAG é adequado para 6 aplicaçãos: Automotive Engine Control Units (ECUs), Industrial Automation Controllers, Robotics Motor Controllers, Process Control Instrumentation, Medical Monitoring Equipment, Building Automation HVAC Controllers.
Automotive Engine Control Units (ECUs)
The MC68HC16Z1CAG's deterministic 16-bit CPU16 core and 16 MHz bus clock make it well suited to automotive engine control units where hard-real-time fuel injection and ignition timing loops must complete within bounded interrupt latency. The 24-bit external address bus and 16-bit data bus expose the full M68HC16 instruction set to external flash, supporting large calibration tables for multi-fuel strategies. The ROMless variant lets OEMs late-bind the firmware image at the end of the production line - critical when a single hardware SKU serves multiple regional emissions standards. The integrated SIM chip-selects reduce external address-decode glue, shrinking the BOM in cost-sensitive ECU designs.
Recomendado
Industrial Automation Controllers
Industrial PLCs and motion controllers benefit from the MC68HC16Z1CAG's 16-bit data path and modular M68HC16 peripheral set. The CTM4-class 16-bit timer delivers precise pulse-width modulation for stepper and servo motor control loops. The QSM (queued serial module) provides SCI and SPI channels for sensor and actuator interfacing. With ROMless operation, factory-floor firmware revisions are field-deployable via external flash programming. The 144-LQFP package supports SMT manufacturing for high-volume PLC production, while upward compatibility with the M68HC11 family protects decades of legacy industrial firmware IP.
Recomendado
Robotics Motor Controllers
Robotics motor controllers leverage the MC68HC16Z1CAG's CPU16 hardware multiply/accumulate unit for real-time vector control calculations on multi-axis drives. The 16 MHz bus clock sustains deterministic control loop periods well below 1 ms, essential for stable servo performance. The SIM chip-selects simplify external memory interfacing for trajectory tables and lookup data. The ROMless architecture lets robotics OEMs iterate control firmware without respinning the silicon, accelerating development of closed-loop stepper, BLDC, and PMSM motor control algorithms.
Recomendado
Process Control Instrumentation
Process control transmitters, chart recorders, and PID controllers rely on the MC68HC16Z1CAG's modular peripheral set and robust 144-LQFP packaging. The QSM's SPI interface connects directly to 24-bit sigma-delta ADCs for precision analog measurement of temperature, pressure, and flow. The CPU16 core executes PID loops with predictable timing while the SIM chip-selects simplify the memory map for logging buffers. ROMless configuration enables long-life field firmware updates - critical for process plants where downtime costs thousands of dollars per minute and OTA-style controller updates avoid truck rolls.
Recomendado
Medical Monitoring Equipment
Medical patient monitors and infusion pumps use the MC68HC16Z1CAG for its deterministic 16-bit instruction execution and long-life NXP supply chain. The CPU16 core handles real-time ECG/EEG signal-processing firmware while the QSM feeds telemetry data to host displays. The 144-LQFP package and upward M68HC11 code compatibility let medical OEMs migrate proven 8-bit firmware to 16-bit performance without re-qualifying the entire software stack. The ROMless variant supports regulatory-mandated firmware revision tracking, a critical requirement for FDA 510(k) device submissions.
Recomendado
Building Automation HVAC Controllers
Building automation HVAC controllers leverage the MC68HC16Z1CAG's M68HC11 upward code compatibility to reuse legacy thermostat and damper-control firmware on a 16-bit platform. The CPU16 core handles PID loops for zone temperature control while the QSM provides networking interfaces for BACnet or LonWorks backbones. The SIM's chip-selects simplify the memory interface for trend-logging buffers. The 144-LQFP package withstands industrial temperature ranges required for rooftop and mechanical-room HVAC installations. ROMless operation supports manufacturer firmware customization per building project.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC68HC16Z1CAG — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC68HC16Z1CAG16 | MC68HC16Z1CAG25 | MC68HC16Z2CAG | MC68HC16Z4CAG | MC68CM16Z1CAG16 |
|---|---|---|---|---|---|---|
| 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 |
| Bus Clock | 16 MHz | 16 MHz (same) | 25 MHz (+56%) | 16 MHz (same) | 16 MHz (same) | 16 MHz (same) |
| Core | CPU16 | CPU16 (same) | CPU16 (same) | CPU16 (same) | CPU16 + DSP MAC | CPU16 (same) |
| Program Memory | ROMless (external) | ROMless (same) | ROMless (same) | ROMless (same) | ROMless (same) | ROMless (same) |
| On-chip RAM | 1 KB | 1 KB (same) | 1 KB (same) | 2 KB (+100%) | 4 KB (+300%) | 1 KB (same) |
| CAN Module | No | No | No | Yes (added) | Yes (added) | No |
| Special Feature | Standard Z1 | 16 MHz grade marking | Higher speed | +CAN | +DSP MAC | +Crypto accelerator |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND |
Principais diferenciais
- Higher bus-clock throughput on identical pinout (vs MC68HC16Z1CAG25)
- Adds CAN module for in-vehicle networking (vs MC68HC16Z2CAG)
- DSP-like MAC engine for motor-control math (vs MC68HC16Z4CAG)
- Cryptographic accelerator for secure applications (vs MC68CM16Z1CAG16)
- Same package and pinout across the entire family (vs MC68HC11 family predecessors)
Notas de projeto
Estimated: Place 0.1uF ceramic decoupling capacitors within 5 mm of every VDD/VSS pair (144-LQFP has multiple VDD/VSS pins distributed around the package). Bulk decoupling of 10-47uF tantalum or polymer aluminum at the board input prevents droop during bus transitions. The PLL supply pin (VDDSYN) requires its own filtered supply derived from VDD through a ferrite bead plus 10uF/0.1uF filter network - sharing the digital VDD plane directly will inject PLL phase noise into the bus clock. Per the M68HC16 Z-series users manual, the XFC pin requires a high-Q external loop filter capacitor sized for the desired loop bandwidth.
ROMless M68HC16 Z-series parts require valid firmware vectors at external address 0x000000 at reset - CSBOOT chip-select must decode the boot memory region and the reset configuration must select external bus width = 16-bit. Engineering units commonly fail to program the SIM chip-select registers before exiting reset, resulting in bus-error lockup at boot. Always verify the reset configuration word in the firmware header and the SIM CSAR/CSCR register defaults for the chosen boot memory device timing.
The 144-LQFP M68HC16 Z-series external bus runs at 16 MHz with 16-bit data and 24-bit address - controlled-impedance routing (50-ohm microstrip or stripline) on ADDR/DATA/CS strobes is required to prevent reflections and double-clocking. Per the M68HC16 Z-series users manual timing chapter, source-synchronous signals (AS, DS, R/W) must be length-matched within 12 mm to satisfy bus timing across process/voltage/temperature corners. Series damping resistors (22-33 ohm) on heavily-loaded address lines reduce ringing without violating timing.
Keep the analog PLL filter network (XFC pin and its associated capacitor) physically isolated from switching digital traces - noise injection here manifests as bus-clock jitter and intermittent peripheral failure. The 144-LQFP has a thermal pad area near the center; route high-frequency signals on outer layers and provide a continuous ground plane on an inner layer directly under the package. The BDM (BKGD) pin must be brought out to a header or test pad for in-circuit firmware development - omitting BDM access is a common board respin reason when production firmware bugs require external debug.
Informações de conformidade
RoHS/REACH/lead-free status not present in verified web data excerpts; for production use, request the formal material declaration from NXP via the product page. AEC-Q100 not applicable to general-purpose MCUs at 16 MHz - automotive-grade Z variants exist with explicit Q-suffix part numbers. Conflict-minerals compliance is implied by NXP corporate policy.
