MC68HC16Z1CAG - 16-bit HC16 MCU 16MHz ROMless 144-LQFP | NXP
Référence : MC68HC16Z1CAG ✗ Fin de vie| Qté | Prix unitaire | 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 Présentation
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.
Alternatives de remplacement direct pour MC68HC16Z1CAG — 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 MC68HC16Z1CAG (même facteur de forme et même empreinte) — différant par Program Memory Size, Package, Program Memory Type, RAM Size, Supply Voltage.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC68HC16Z1CAG16
✅ Remplacement direct✓ En stock
$15.95 / unité
Voir la fiche technique →MC68HC16Z1CAG25
✅ Remplacement direct✓ En stock
$25.5 / unité
Voir la fiche technique →MC68HC16Z2CAG
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC68HC16Z3CAG
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC68HC16Z4CAG
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC68CM16Z1CAG16
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC68CK16Z1CAG16
✅ Remplacement direct✓ En stock
$12.6 / unité
Voir la fiche technique →MC68HC16Z1CAG Valeurs maximales et caractéristiques électriques
| Core Architecture | CPU16 (HC16) |
| Bus Clock Frequency | 16 MHz |
| Largeur du bus de données | 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 |
| Boîtier | 144-pin LQFP (20x20 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +85C (industrial) |
| Tension d'alimentation | 5 V nominal |
| Family | M68HC16 Z-series |
Configuration des broches de MC68HC16Z1CAG
| Broche 1 | VSS — Digital ground |
| Broche 2 | XTAL — Crystal oscillator output |
| Broche 3 | EXTAL — External clock input / crystal connection |
| Broche 4 | VDDR — Reset/driver supply |
| Broche 5 | XFC — External filter capacitor for PLL |
| Broche 6 | VDDSYN — PLL synthesizer supply |
| Broche 7 | ADDR19 — External address bus bit 19 |
| Broche 8 | ADDR18 — External address bus bit 18 |
| Broche 9 | ADDR16 — External address bus bit 16 |
| Broche 10 | ADDR17 — External address bus bit 17 |
| Broche 11 | ADDR15 — External address bus bit 15 |
| Broche 12 | ADDR14 — External address bus bit 14 |
| Broche 13 | ADDR13 — External address bus bit 13 |
| Broche 14 | ADDR12 — External address bus bit 12 |
| Broche 15 | ADDR11 — External address bus bit 11 |
| Broche 16 | ADDR10 — External address bus bit 10 |
| Broche 17 | ADDR9 — External address bus bit 9 |
| Broche 18 | ADDR8 — External address bus bit 8 |
| Broche 19 | ADDR7 — External address bus bit 7 |
| Broche 20 | ADDR6 — External address bus bit 6 |
| Broche 21 | ADDR5 — External address bus bit 5 |
| Broche 22 | ADDR4 — External address bus bit 4 |
| Broche 23 | ADDR3 — External address bus bit 3 |
| Broche 24 | ADDR2 — External address bus bit 2 |
| Broche 25 | ADDR1 — External address bus bit 1 |
| Broche 26 | ADDR0 — External address bus bit 0 |
| Broche 27 | DATA15 — External data bus bit 15 (MSB) |
| Broche 28 | DATA14 — External data bus bit 14 |
| Broche 29 | DATA13 — External data bus bit 13 |
| Broche 30 | DATA12 — External data bus bit 12 |
| Broche 31 | DATA11 — External data bus bit 11 |
| Broche 32 | DATA10 — External data bus bit 10 |
| Broche 33 | DATA9 — External data bus bit 9 |
| Broche 34 | DATA8 — External data bus bit 8 |
| Broche 35 | DATA7 — External data bus bit 7 |
| Broche 36 | DATA6 — External data bus bit 6 |
| Broche 37 | DATA5 — External data bus bit 5 |
| Broche 38 | DATA4 — External data bus bit 4 |
| Broche 39 | DATA3 — External data bus bit 3 |
| Broche 40 | DATA2 — External data bus bit 2 |
| Broche 41 | DATA1 — External data bus bit 1 |
| Broche 42 | DATA0 — External data bus bit 0 (LSB) |
| Broche 43 | CSBOOT — Boot chip-select (selects reset vector source) |
| Broche 44 | CS0 — Programmable chip-select 0 |
| Broche 45 | CS1 — Programmable chip-select 1 |
| Broche 46 | CS2 — Programmable chip-select 2 |
| Broche 47 | CS3 — Programmable chip-select 3 |
| Broche 48 | CS4 — Programmable chip-select 4 |
| Broche 49 | CS5 — Programmable chip-select 5 |
| Broche 50 | CS6 — Programmable chip-select 6 |
| Broche 51 | CS7 — Programmable chip-select 7 |
| Broche 52 | CS8 — Programmable chip-select 8 |
| Broche 53 | CS9 — Programmable chip-select 9 |
| Broche 54 | CS10 — Programmable chip-select 10 |
| Broche 55 | OE — Output enable for external memory |
| Broche 56 | R/W — External bus read/write direction |
| Broche 57 | DS — Data strobe for external memory |
| Broche 58 | AS — Address strobe for external memory |
| Broche 59 | AVEC — Autovector interrupt request |
| Broche 60 | DSACK0 — Data transfer acknowledge 0 |
| Broche 61 | DSACK1 — Data transfer acknowledge 1 |
| Broche 62 | BERR — Bus error input |
| Broche 63 | IRQ7 — Interrupt request priority 7 |
| Broche 64 | IRQ6 — Interrupt request priority 6 |
| Broche 65 | IRQ5 — Interrupt request priority 5 |
| Broche 66 | IRQ4 — Interrupt request priority 4 |
| Broche 67 | IRQ3 — Interrupt request priority 3 |
| Broche 68 | IRQ2 — Interrupt request priority 2 |
| Broche 69 | IRQ1 — Interrupt request priority 1 |
| Broche 70 | RESET — External reset input (active low) |
| Broche 71 | TCLK — Timer clock input/output |
| Broche 72 | ICOCLK — ICO clock output for QSM timer |
| Broche 73 | BKGD — Background debug mode pin |
| Broche 74 | TDI — JTAG test data input |
| Broche 75 | TDO — JTAG test data output |
| Broche 76 | TMS — JTAG test mode select |
| Broche 77 | TCK — JTAG test clock |
| Broche 78 | TRST — JTAG test reset |
| Broche 79 | TXD — QSM SCI transmit data |
| Broche 80 | RXD — QSM SCI receive data |
| Broche 81 | SCK — QSM SPI serial clock |
| Broche 82 | MOSI — QSM SPI master-out slave-in |
| Broche 83 | MISO — QSM SPI master-in slave-out |
| Broche 84 | SS — QSM SPI slave-select |
| Broche 85 | OC1 — Output compare 1 (timer) |
| Broche 86 | OC2 — Output compare 2 (timer) |
| Broche 87 | OC3 — Output compare 3 (timer) |
| Broche 88 | OC4 — Output compare 4 (timer) |
| Broche 89 | OC5 — Output compare 5 (timer) |
| Broche 90 | IC1 — Input capture 1 (timer) |
| Broche 91 | IC2 — Input capture 2 (timer) |
| Broche 92 | IC3 — Input capture 3 (timer) |
| Broche 93 | PAI — Pulse accumulator input |
| Broche 94 | PWM1 — Pulse-width modulation 1 |
| Broche 95 | PWM2 — Pulse-width modulation 2 |
| Broche 96 | PWM3 — Pulse-width modulation 3 |
| Broche 97 | PWM4 — Pulse-width modulation 4 |
| Broche 98 | PWM5 — Pulse-width modulation 5 |
| Broche 99 | PWM6 — Pulse-width modulation 6 |
| Broche 100 | MODCLK — Module clock output |
| Broche 101 | VF — Version / frequency select |
| Broche 102 | VPP — Test/programming voltage |
| Broche 103 | TEST — Factory test mode (tie low in application) |
| Broche 104 | ADDR20 — External address bus bit 20 |
| Broche 105 | ADDR21 — External address bus bit 21 |
| Broche 106 | ADDR22 — External address bus bit 22 |
| Broche 107 | ADDR23 — External address bus bit 23 (MSB) |
| Broche 108 | HALT — Halt request (low-power mode) |
| Broche 109 | CD — Clock divide select |
| Broche 110 | PWPN — Program write protect (low) |
| Broche 111 | QIL — QSM interrupt level |
| Broche 112 | QIE — QSM interrupt enable |
| Broche 113 | TIL — Timer interrupt level |
| Broche 114 | TIE — Timer interrupt enable |
| Broche 115 | TST — Test pin (factory only) |
| Broche 116 | NC — Not connected (per datasheet) |
| Broche 117 | VDD — Digital supply 5V |
| Broche 118 | VSS — Digital ground |
| Broche 119 | VDD — Digital supply 5V |
| Broche 120 | VSS — Digital ground |
| Broche 121 | VDD — Digital supply 5V |
| Broche 122 | VSS — Digital ground |
| Broche 123 | VDD — Digital supply 5V |
| Broche 124 | VSS — Digital ground |
| Broche 125 | VDD — Digital supply 5V |
| Broche 126 | VSS — Digital ground |
| Broche 127 | VDD — Digital supply 5V |
| Broche 128 | VSS — Digital ground |
| Broche 129 | VDD — Digital supply 5V |
| Broche 130 | VSS — Digital ground |
| Broche 131 | VDD — Digital supply 5V |
| Broche 132 | VSS — Digital ground |
| Broche 133 | VDD — Digital supply 5V |
| Broche 134 | VSS — Digital ground |
| Broche 135 | VDD — Digital supply 5V |
| Broche 136 | VSS — Digital ground |
| Broche 137 | VDD — Digital supply 5V |
| Broche 138 | VSS — Digital ground |
| Broche 139 | VDD — Digital supply 5V |
| Broche 140 | VSS — Digital ground |
| Broche 141 | VDD — Digital supply 5V |
| Broche 142 | VSS — Digital ground |
| Broche 143 | VDD — Digital supply 5V |
| Broche 144 | VSS — Digital ground |
Applications typiques
MC68HC16Z1CAG convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC68HC16Z1CAG — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- 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)
Notes de conception
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.
Informations de conformité
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.
