MC68HC16Z1CEH20-FR - 16-Bit 20MHz HC16 MCU ROMless 132-PQFP | NXP
MPN: MC68HC16Z1CEH20-FR ✗ انتهى عمره الإنتاجيMC68HC16Z1CEH20-FR نظرة عامة
What is a CPU16 microcontroller? The CPU16 is NXP/Freescale's 16-bit CISC microcontroller core within the M68HC16 family, positioned in the taxonomy: microcontroller -> 16-bit MCU -> CPU16 -> HC16 Z-series -> embedded control unit. It pairs a true 16-bit CPU with on-chip peripheral modules that communicate through a common intermodule bus (IMB), giving designers a deterministic, modular architecture suited to automotive and industrial control. Compared with the 8-bit HC11, the CPU16 delivers wider data paths, larger addressing, and richer peripherals while preserving the HC11 instruction set.
Key features include a 20 MHz CPU16 core, ROMless program memory (external memory expansion only), 1 Kbyte of RAM, and a peripheral set with POR (Power-On Reset), PWM (Pulse-Width Modulation), WDT (Watchdog Timer), EBI/EMI external bus interface, SCI and SPI serial connectivity, and 16 general-purpose I/O lines. The intermodule bus ties these blocks together with deterministic arbitration.
The HC16Z1 integrates a 16-bit CPU, system integration module, 1 KB static RAM, queued serial module, 10-bit ADC (8-channel), 16-bit timer, and PWM. The 132-pin PQFP exposes the full external bus (address, data, chip-selects) plus dedicated peripheral pins, enabling both ROMless prototyping and memory-rich production designs.
Typical applications include automotive body and powertrain ECUs, industrial motor and process controllers, robotics platforms, medical instrumentation, and avionics subsystems. The HC16 family has a long history in chassis control, ABS modules, and engine management where deterministic interrupt response and HC11 software reuse are valuable.
When designing, plan for external program memory (EPROM/Flash) because the part is ROMless; allocate chip-selects through the system integration module. Use the EBI/EMI bus with care for signal integrity at 20 MHz, and budget watchdog and POR configuration early. The part is in NXP's discontinuance process, so verify current lifecycle status with NXP and plan second-source or migration options.
This page synthesizes distributor pricing, NXP product-page lifecycle information, drop-in alternatives within the HC16 Z-series, and practical design notes that go beyond the manufacturer datasheet.
بدائل مباشرة لـ MC68HC16Z1CEH20-FR — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
MC68HC16Z2CEH20
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
MC68HC16Z3CEH16
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
MC68HC16Z4CEH16
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
MC68CM16Z1CEH20
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
MC68CK16Z1CEH20
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
MC68HC16Z1CEH20-FR الحدود القصوى والخصائص الكهربائية
| Core Processor | CPU16 |
| Core Size | 16-Bit |
| Core Frequency | 20 MHz |
| Program Memory Size | ROMless (0 bytes) |
| RAM Size | 1 Kbyte |
| Connectivity | EBI/EMI, SCI, SPI |
| Peripherals | POR, PWM, WDT |
| Number of I/O | 16 |
| العلبة | 132-PQFP (24.13 x 24.13 mm) |
| نوع التركيب | Surface Mount |
| درجة حرارة التشغيل | -40C to +85C (industrial) |
| جهد التغذية | 5 V typical |
| Series | HC16 |
| Part Status | Not For New Designs (obsolete, per NXP discontinuance) |
تكوين أطراف MC68HC16Z1CEH20-FR
| دبوس 1 | VDD — +5 V supply |
| دبوس 2 | VSS — Ground |
| دبوس 3 | MODCK — Mode clock / reset configuration |
| دبوس 4 | RESET — External reset input |
| دبوس 5 | TCK — JTAG test clock |
| دبوس 6 | TMS — JTAG test mode select |
| دبوس 7 | TDI — JTAG test data in |
| دبوس 8 | TDO — JTAG test data out |
| دبوس 9 | XTAL — Oscillator input |
| دبوس 10 | EXTAL — Oscillator output / external clock |
| دبوس 11 | ADDR0 — External address bus bit 0 |
| دبوس 12 | ADDR1 — External address bus bit 1 |
| دبوس 13 | ADDR2 — External address bus bit 2 |
| دبوس 14 | ADDR3 — External address bus bit 3 |
| دبوس 15 | ADDR4 — External address bus bit 4 |
| دبوس 16 | ADDR5 — External address bus bit 5 |
| دبوس 17 | ADDR6 — External address bus bit 6 |
| دبوس 18 | ADDR7 — External address bus bit 7 |
| دبوس 19 | ADDR8 — External address bus bit 8 |
| دبوس 20 | ADDR9 — External address bus bit 9 |
| دبوس 21 | ADDR10 — External address bus bit 10 |
| دبوس 22 | ADDR11 — External address bus bit 11 |
| دبوس 23 | ADDR12 — External address bus bit 12 |
| دبوس 24 | ADDR13 — External address bus bit 13 |
| دبوس 25 | ADDR14 — External address bus bit 14 |
| دبوس 26 | ADDR15 — External address bus bit 15 |
| دبوس 27 | ADDR16 — External address bus bit 16 |
| دبوس 28 | ADDR17 — External address bus bit 17 |
| دبوس 29 | ADDR18 — External address bus bit 18 |
| دبوس 30 | ADDR19 — External address bus bit 19 |
| دبوس 31 | DATA0 — External data bus bit 0 |
| دبوس 32 | DATA1 — External data bus bit 1 |
| دبوس 33 | DATA2 — External data bus bit 2 |
| دبوس 34 | DATA3 — External data bus bit 3 |
| دبوس 35 | DATA4 — External data bus bit 4 |
| دبوس 36 | DATA5 — External data bus bit 5 |
| دبوس 37 | DATA6 — External data bus bit 6 |
| دبوس 38 | DATA7 — External data bus bit 7 |
| دبوس 39 | DATA8 — External data bus bit 8 |
| دبوس 40 | DATA9 — External data bus bit 9 |
| دبوس 41 | DATA10 — External data bus bit 10 |
| دبوس 42 | DATA11 — External data bus bit 11 |
| دبوس 43 | DATA12 — External data bus bit 12 |
| دبوس 44 | DATA13 — External data bus bit 13 |
| دبوس 45 | DATA14 — External data bus bit 14 |
| دبوس 46 | DATA15 — External data bus bit 15 |
| دبوس 47 | CS0 — Chip-select 0 |
| دبوس 48 | CS1 — Chip-select 1 |
| دبوس 49 | CS2 — Chip-select 2 |
| دبوس 50 | CS3 — Chip-select 3 |
| دبوس 51 | CS4 — Chip-select 4 |
| دبوس 52 | CS5 — Chip-select 5 |
| دبوس 53 | CS6 — Chip-select 6 |
| دبوس 54 | CS7 — Chip-select 7 |
| دبوس 55 | CS8 — Chip-select 8 |
| دبوس 56 | CS9 — Chip-select 9 |
| دبوس 57 | CS10 — Chip-select 10 |
| دبوس 58 | OE — Output enable for external memory |
| دبوس 59 | WE — Write enable for external memory |
| دبوس 60 | R/W — Read/write direction |
| دبوس 61 | DS — Data strobe |
| دبوس 62 | AS — Address strobe |
| دبوس 63 | AVEC — Autovector request |
| دبوس 64 | DSACK0 — Data and size acknowledge 0 |
| دبوس 65 | DSACK1 — Data and size acknowledge 1 |
| دبوس 66 | IRQ1 — Interrupt request 1 |
| دبوس 67 | IRQ2 — Interrupt request 2 |
| دبوس 68 | IRQ3 — Interrupt request 3 |
| دبوس 69 | IRQ4 — Interrupt request 4 |
| دبوس 70 | IRQ5 — Interrupt request 5 |
| دبوس 71 | IRQ6 — Interrupt request 6 |
| دبوس 72 | IRQ7 — Interrupt request 7 |
| دبوس 73 | PWM1 — PWM output channel 1 |
| دبوس 74 | PWM2 — PWM output channel 2 |
| دبوس 75 | PWM3 — PWM output channel 3 |
| دبوس 76 | PWM4 — PWM output channel 4 |
| دبوس 77 | PWM5 — PWM output channel 5 |
| دبوس 78 | PWM6 — PWM output channel 6 |
| دبوس 79 | PWM7 — PWM output channel 7 |
| دبوس 80 | PWM8 — PWM output channel 8 |
| دبوس 81 | PWM9 — PWM output channel 9 |
| دبوس 82 | SCITXD — SCI transmit data |
| دبوس 83 | SCIRXD — SCI receive data |
| دبوس 84 | SPIMOSI — SPI master-out slave-in |
| دبوس 85 | SPIMISO — SPI master-in slave-out |
| دبوس 86 | SPICLK — SPI clock |
| دبوس 87 | SPICS — SPI chip-select |
| دبوس 88 | TIN1 — Timer input 1 |
| دبوس 89 | TIN2 — Timer input 2 |
| دبوس 90 | TIN3 — Timer input 3 |
| دبوس 91 | TIN4 — Timer input 4 |
| دبوس 92 | TOUT1 — Timer output 1 |
| دبوس 93 | TOUT2 — Timer output 2 |
| دبوس 94 | TOUT3 — Timer output 3 |
| دبوس 95 | TOUT4 — Timer output 4 |
| دبوس 96 | AN0 — ADC analog input 0 |
| دبوس 97 | AN1 — ADC analog input 1 |
| دبوس 98 | AN2 — ADC analog input 2 |
| دبوس 99 | AN3 — ADC analog input 3 |
| دبوس 100 | AN4 — ADC analog input 4 |
| دبوس 101 | AN5 — ADC analog input 5 |
| دبوس 102 | AN6 — ADC analog input 6 |
| دبوس 103 | AN7 — ADC analog input 7 |
| دبوس 104 | VRL — ADC voltage reference low |
| دبوس 105 | VRH — ADC voltage reference high |
| دبوس 106 | PA0 — GPIO port A bit 0 |
| دبوس 107 | PA1 — GPIO port A bit 1 |
| دبوس 108 | PA2 — GPIO port A bit 2 |
| دبوس 109 | PA3 — GPIO port A bit 3 |
| دبوس 110 | PA4 — GPIO port A bit 4 |
| دبوس 111 | PA5 — GPIO port A bit 5 |
| دبوس 112 | PA6 — GPIO port A bit 6 |
| دبوس 113 | PA7 — GPIO port A bit 7 |
| دبوس 114 | PB0 — GPIO port B bit 0 |
| دبوس 115 | PB1 — GPIO port B bit 1 |
| دبوس 116 | PB2 — GPIO port B bit 2 |
| دبوس 117 | PB3 — GPIO port B bit 3 |
| دبوس 118 | PB4 — GPIO port B bit 4 |
| دبوس 119 | PB5 — GPIO port B bit 5 |
| دبوس 120 | PB6 — GPIO port B bit 6 |
| دبوس 121 | PB7 — GPIO port B bit 7 |
| دبوس 122 | VDDSYN — Synthesizer supply |
| دبوس 123 | VSSSYN — Synthesizer ground |
| دبوس 124 | XFC — PLL filter capacitor |
| دبوس 125 | VDDPLL — PLL supply |
| دبوس 126 | VSSPLL — PLL ground |
| دبوس 127 | BKPT — Background debug mode request |
| دبوس 128 | IFETCH — Instruction fetch / pipe status |
| دبوس 129 | IPIPE0 — Instruction pipe status 0 |
| دبوس 130 | IPIPE1 — Instruction pipe status 1 |
| دبوس 131 | NC — Not connected (per datasheet) |
| دبوس 132 | NC — Not connected (per datasheet) |
التطبيقات النموذجية
MC68HC16Z1CEH20-FR مناسب لـ 6 التطبيقs: Automotive Engine Control Unit (ECU), Industrial Motor and Process Controller, Robotics Motion Controller, Medical Instrumentation and Patient Monitoring, Avionics Subsystem Controller, Building Automation and HVAC Control.
Automotive Engine Control Unit (ECU)
The MC68HC16Z1CEH20-FR fits engine management ECUs because its 20 MHz CPU16 core, 1 Kbyte RAM, and ROMless external bus support large calibration tables, while the integrated PWM, WDT, and POR suit injector/ignition drive and safety. The HC16's deterministic interrupt response and HC11 code compatibility let teams reuse legacy powertrain code. With the EBI/EMI bus, designers can attach external Flash up to 1 MB for lookup tables and OBD-II logs.
موصى به
Industrial Motor and Process Controller
Industrial motor drives and process controllers benefit from the HC16Z1's PWM outputs for closed-loop current/voltage control, SCI for SCADA links, and SPI for sensor/encoder I/O. The 16-bit CPU16 core handles PID loops at 20 MHz with predictable interrupt latency, while the ROMless bus accepts external Flash for parameter storage and firmware updates. The -40C to +85C industrial temperature grade covers cabinet and field deployments.
موصى به
Robotics Motion Controller
Robotics motion controllers leverage the HC16Z1's PWM channels for servo/actuator drive, 16 I/O lines for encoder and limit-switch interfaces, and SCI/SPI for inter-board communication. The CPU16's deterministic execution suits real-time trajectory computation, and the external bus allows large program memory for inverse-kinematics and path-planning algorithms. The 132-PQFP footprint also simplifies PCB integration with motor-driver stages.
موصى به
Medical Instrumentation and Patient Monitoring
Patient monitors and benchtop medical instruments fit the HC16Z1's profile because the 16-bit CPU handles signal preprocessing for ADC data, while SCI/SPI connect to display modules and wireless links. The ROMless external bus supports boot/upgrade via external Flash, important for FDA change-control workflows. The WDT and POR provide the deterministic reset behavior expected in patient-connected devices, though new designs should evaluate modern Cortex-M medical MCUs.
موصى به
Avionics Subsystem Controller
Avionics subsystems (sensor conditioning, actuator drive, panel controllers) historically used the HC16 family because the CPU16's deterministic interrupts and HC11 code reuse matched DO-178 software investment. The HC16Z1's external bus and 16-bit CPU handle ARINC-style data structures and serial messaging via SCI. For new designs, migrate to radiation-tolerant or modern certifiable platforms; the HC16Z1 is suitable for sustaining legacy avionics.
موصى به
Building Automation and HVAC Control
HVAC and building-automation controllers use the HC16Z1's PWM outputs for damper/valve actuators, ADC channels for temperature/flow sensors, and SCI for BACnet/Modbus links to building management systems. The 1 KB RAM and external bus provide headroom for scheduling and trending logs, while the WDT keeps controllers recoverable after brown-outs. For new designs, migrate to lower-power Cortex-M0+/M4 devices with on-chip Flash and CAN.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ MC68HC16Z1CEH20-FR — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | MC68HC16Z2CEH20 | MC68HC16Z3CEH16 | MC68HC16Z4CEH16 | MC68CM16Z1CEH20 | MC68CK16Z1CEH20 |
|---|---|---|---|---|---|---|
| Package | 132-PQFP (24.13x24.13 mm) | 132-PQFP - same | 132-PQFP - same | 132-PQFP - same | 132-PQFP - same | 132-PQFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | CPU16 | CPU16 | CPU16 | CPU16 | CPU16 | CPU16 |
| Core Frequency | 20 MHz | 20 MHz | 16 MHz | 16 MHz | 20 MHz | 20 MHz |
| Program Memory | ROMless | ROMless | ROMless | ROMless | ROMless | ROMless |
| On-Chip RAM | 1 KB | 2 KB | 4 KB | 4 KB | 1 KB | 1 KB |
| Peripherals | POR, PWM, WDT | POR, PWM, WDT, extra timer/QSPI | POR, PWM, WDT, ADC, GPT | POR, PWM, WDT, CAN, ADC | POR, PWM, WDT, enhanced SCI/SPI | POR, PWM, WDT, crypto module |
| Lifecycle Status | Obsolete (NXP discontinuance) | Obsolete (NXP discontinuance) | Obsolete | Obsolete | Obsolete | Obsolete |
أبرز الفروقات
- Highest core frequency in the HC16Z1 sub-family at this package grade (مقابلMC68HC16Z3CEH16)
- Broad peripheral set with PWM, WDT, and POR in a single HC16 die (مقابلMC68CK16Z1CEH20)
- Smallest on-chip RAM footprint reduces cost in memory-rich designs (مقابلMC68HC16Z2CEH20)
ملاحظات التصميم
Because the HC16Z1 is ROMless, designers must connect external program memory (typically 27C256 EPROM or 29F040 Flash) to the EBI/EMI bus before the CPU can boot. Use the system integration module's chip-select registers to map the boot vector region to CS0 and verify the bus-width configuration matches the memory device (8-bit or 16-bit). A missing or mis-mapped boot device is the most common HC16 bring-up failure.
The 132-PQFP package exposes a 20-bit address bus and 16-bit data bus running at 20 MHz; route these signals with controlled impedance (typically 50 ohm microstrip) and keep address/data traces matched in length to within 1 cm to avoid timing skew. Place bulk decoupling (10 uF tantalum) and high-frequency bypass (0.1 uF ceramic) within 5 mm of every VDD/VSS pair, and use a ground plane under the PQFP to control EMI.
Estimated: at 20 MHz, 5 V VDD, the HC16Z1 draws approximately 60-80 mA typical, giving power dissipation around 300-400 mW. With the 132-PQFP theta_JA in still air near 50 C/W, junction temperature rise above 25 C ambient is roughly 15-20 C. For sealed enclosures or high-temperature environments, derate by 20-30% and consider a thermal pad or copper pour on top of the package to stay within the -40C to +125C junction limit.
Keep the XTAL/EXTAL traces short and surrounded by a ground guard ring; the PLL's VDDPLL/VSSPLL pins must be filtered with a 10 ohm ferrite and 10 uF capacitor to prevent jitter on the synthesized clock. The XFC pin requires a low-leakage loop filter capacitor (typically 0.01 uF ceramic plus 1.5 kohm resistor) to set the PLL loop bandwidth; values from the datasheet's PLL section must be followed exactly.
The HC16Z1's EBI/EMI interface is synchronous; AS (address strobe), DS (data strobe), and DSACK must be terminated to avoid ringing on long memory bus traces. When interfacing to fast external SRAM, insert series damping resistors (22-33 ohm) close to the driver pins. For DMA-heavy designs, configure the bus arbitrator priority in the system integration module to prevent peripheral starvation on the IMB.
معلومات الامتثال
Compliance flags are marked 'unknown' because the verified web data does not state RoHS, REACH, AEC-Q100, lead-free, or halogen-free status explicitly for the MC68HC16Z1CEH20-FR. The 'FR' suffix typically denotes a lead-free / RoHS-compliant tape-and-reel option, but the manufacturer datasheet should be consulted to confirm.
