S9S12HY64J0CLH - 16-Bit 32MHz 64KB Flash HCS12 MCU | NXP
MPN: S9S12HY64J0CLH ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.85 | $9.85 |
| 10 | $8.9 | $89.00 |
| 100 | $7.65 | $765.00 |
| 500 | $6.5 | $3,250.00 |
| 1,000 | $5.85 | $5,850.00 |
S9S12HY64J0CLH Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, memory (Flash/RAM), and programmable peripherals. The 16-bit HCS12 family belongs to NXP's S12 automotive MCU platform, which sits in the broader taxonomy of embedded controllers -> microcontrollers -> automotive microcontrollers -> HCS12 series. The S12HY sub-family is specifically optimized for human-machine interface (HMI) subsystems including instrument clusters and body control modules.
Key features include 64KB on-chip Flash memory, 4KB RAM, an LCD driver supporting segment displays, an integrated stepper motor controller for analog gauge movements, one CAN 2.0 module, LIN/J2602 SCI channels, and a 32MHz bus clock derived from an internal Phase-Lock Loop. The device operates across -40C to +85C industrial temperature range and supports background debug mode (BDM) for non-intrusive in-circuit programming.
The S9S12HY64J0CLH uses the standard S12 CPU core with instruction set compatibility back to the HC11 family, simplifying migration for legacy automotive designs. Its on-chip voltage regulator supports a single 5V supply while generating internal 2.5V and 1.8V rails for the core logic, eliminating external DC-DC components. A 16-channel Analog-to-Digital Converter (ATD), PWM timers, and GPIO with interrupt capability round out the peripheral set.
Typical applications include two-wheeler instrument clusters, entry-level automotive dashboards, body controllers with CAN/LIN gateways, HVAC control panels, and white-goods HMI modules. The integrated LCD and stepper motor drivers reduce external component count, directly lowering BOM cost for cost-sensitive automotive programs.
When designing with this MCU, allocate the 64KB Flash budget carefully because the automotive real-time operating environment typically consumes 8-12KB for the CAN/LIN/LCD stack, leaving roughly 50KB for application code. Use BDM for production programming rather than the SCI bootloader to avoid tying up the diagnostic SCI channel.
This page synthesizes distributor pricing, drop-in S12HY family alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a faster path to qualified sourcing decisions.
Drop-in alternatives for S9S12HY64J0CLH — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with S9S12HY64J0CLH (same form factor and footprint) — differing in Core Architecture, Package, Operating Temperature, Supply Voltage, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S9S12HY64J0CLL
✅ Drop-In📋 Reference alternative (not in catalog)
S9S12HY64J0VLL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →S9S12HY64J0MLH
✅ Drop-In📋 Reference alternative (not in catalog)
S9S12HY32J0VLL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.48 / Unit
View Datasheet →MC9S12H256VFVE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$10.95 / Unit
View Datasheet →MC9S12XHZ256VAG
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$15.2 / Unit
View Datasheet →S9S12HY64J0CLH Maximum Ratings & Electrical Characteristics
| Core Architecture | HCS12 (16-bit) |
| Program Memory | 64 KB Flash |
| RAM | 4 KB |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage | 5 V single supply |
| Package | 64-pin LQFP (10x10 mm, GULL WING) |
| Temperature Grade | Industrial (-40C to +85C) |
| CAN Module | 1x CAN 2.0 |
| LIN / SCI | Yes (LIN/J2602 capable) |
| LCD Driver | Integrated segment LCD driver |
| Stepper Motor Driver | Integrated |
| ADC | 16-channel 10-bit ATD |
| PWM Channels | 8 PWM (periphery dependent) |
| Debug Interface | BDM (Background Debug Mode) |
| Mounting Type | Surface Mount |
| Series | S12HY family |
S9S12HY64J0CLH 64-pin lqfp (10x10 mm, gull wing) Pin Configuration Guide
Pin configuration for S9S12HY64J0CLH (64-pin lqfp (10x10 mm, gull wing) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for S9S12HY64J0CLH.
Refer to the datasheet for full pin configuration.
Typical Applications
S9S12HY64J0CLH is suitable for 7 applications: Entry-Level Automotive Instrument Cluster, Two-Wheeler / Motorcycle Dashboard, Automotive Body Control Module (BCM), HVAC Control Panel, Industrial HMI Panel, White-Goods Control Board, Electric Vehicle (EV) Battery Display Sub-Panel.
Entry-Level Automotive Instrument Cluster
The S9S12HY64J0CLH is purpose-built for entry-level automotive instrument clusters where it drives the segment LCD, stepper-motor gauges (speedometer, tachometer, fuel, temperature), and CAN dashboard network. The integrated LCD driver eliminates an external LCD controller IC, the stepper motor controller removes dedicated gauge driver chips, and the single 5V supply with on-chip voltage regulator simplifies power tree design. With 64KB Flash and 32MHz HCS12 throughput, the MCU handles CAN diagnostics, J2602 communication, and gauge animation at production refresh rates. Cluster designs that previously required 3-4 ICs achieve a single-chip BOM.
Recommended
Two-Wheeler / Motorcycle Dashboard
The S9S12HY64J0CLH is widely adopted in two-wheeler and small-displacement motorcycle dashboards where cost is critical and the integrated LCD + stepper gauge drivers drastically reduce component count. With 4KB RAM and 64KB Flash, it can drive a 4-gauge cluster, indicator lamps, fuel sender ADC, and CAN-bus diagnostics in a single chip. The industrial -40C to +85C rating covers motorcycle under-fairing thermal conditions. A single 5V supply powers both the MCU and backlight LED drivers, removing the need for boost converters.
Recommended
Automotive Body Control Module (BCM)
The S9S12HY64J0CLH fits body control modules that orchestrate CAN-to-LIN gateway functions, lighting PWM, and switch debounce. With 8 PWM channels and 16 ADC inputs, it drives LED headlights directly, monitors multiple switch inputs, and forwards status over CAN or LIN. The 32MHz core sustains LIN/J2602 scheduler latency and CAN message-rate requirements simultaneously. Use it in BCMs that previously required a larger MCU by leveraging the integrated SCI peripherals.
Recommended
HVAC Control Panel
HVAC control panels benefit from the S9S12HY64J0CLH's LCD segment driver for temperature/set-point display and CAN connectivity to the climate-control ECU. The HCS12 core handles button matrix scanning, encoder input for fan-speed knob, and PWM for backlight dimming. The integrated stepper motor driver can position air-mix dampers directly, eliminating a separate motor driver IC. The single 5V supply with on-chip regulator simplifies the panel PCB.
Recommended
Industrial HMI Panel
The S9S12HY64J0CLH serves non-automotive industrial HMI panels that require a small footprint, segment LCD, and CAN connectivity. The -40C to +85C industrial rating supports factory-floor enclosures, and the integrated stepper motor driver can position rotary selector knobs. The 64KB Flash accommodates graphical menu logic and CANopen stacks for machine-tool integration. Using BDM for in-circuit programming speeds firmware iteration during development.
Recommended
White-Goods Control Board
Washing machines, dishwashers, and similar white-goods appliances adopt the S9S12HY64J0CLH as a cost-optimized controller driving segment LCDs, encoder inputs, and CAN/LIN appliance-network communication. The integrated peripherals support front-panel display, motor sequencing PWM, and sensor ADC without external driver ICs. The industrial temperature grade suits appliance under-cabinet thermal conditions and the single 5V supply simplifies the appliance main board design.
Recommended
Electric Vehicle (EV) Battery Display Sub-Panel
Within low-voltage EV subsystems such as 48V battery charge-state indicators, the S9S12HY64J0CLH drives the segment LCD for state-of-charge, temperature, and current readouts while communicating over CAN to the main BMS. Its 32MHz HCS12 throughput handles J2602 messaging to the dashboard cluster, and the integrated stepper motor controller positions analog gauge needles for legacy displays. AEC-Q100-grade variants (-MLH) are recommended for under-hood installation.
Recommended
Recommended Products Summary
Engineering reference data for S9S12HY64J0CLH — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S9S12HY64J0CLL | S9S12HY64J0VLL | S9S12HY64J0MLH | S9S12HY32J0VLL | MC9S12H256VFVE |
|---|---|---|---|---|---|---|
| Package | 64-LQFP (14x14 mm) | 100-LQFP (14x14 mm) | LQFP-64 | 64-LQFP (10x10 mm) | LQFP-64 | LQFP-64 |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) | HCS12 (16-bit) |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB | 256 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB | 12 KB |
| CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 50 MHz |
| Integrated LCD Driver | Yes | Yes | Yes | Yes | Yes | No |
| CAN Module | 1x CAN 2.0 | 1x CAN 2.0 | 1x CAN 2.0 | 1x CAN 2.0 | 1x CAN 2.0 | 1x CAN 2.0 |
Key Differentiators
- Integrated LCD + stepper + CAN + LIN in a single chip (vs MC9S12H256VFVE)
- Industrial-grade pricing on a full automotive-ready peripheral set (vs S9S12HY64J0MLH)
- 32MHz HCS12 headroom for CAN + LCD + stepper stack (vs S9S12HY32J0VLL)
Design Notes
The S9S12HY64J0CLH integrates a 5V-to-2.5V/1.8V voltage regulator requiring only a single 5V supply. Place a 100nF decoupling capacitor close to each VDD/VSS pair and a bulk 4.7uF-10uF tantalum on the main VDDX pin. Reverse-battery and load-dump transients on automotive 12V nets must be clamped upstream; the MCU itself does not include transient protection on VDDX. Use a TVS diode rated for ISO-7637-2 pulse 1/2/3a compliance.
At 32MHz the HCS12 core dissipates roughly 100-150mW. The 64-LQFP package has theta_JA of approximately 50-60 C/W on a standard 4-layer JEDEC test board. In an enclosed dashboard enclosure with limited airflow, ensure the ambient temperature stays below +70C for the industrial -85C part to leave sufficient margin. For under-hood or sun-exposed dashboards the -MLH (+125C) automotive variant must be used instead.
Do not exceed 64KB of Flash allocation - the device has no external memory bus, so the 64KB ceiling is hard. Reserve at least 8KB for the CAN/LIN/LCD interrupt vector table and driver library before allocating user code. Avoid enabling the CAN module without configuring the SCI pins - the CAN RX/TX share package pins with SCI channels and misconfiguration will silently break UART debug. Always specify BDM pin mapping before locking the package layout.
Route the LCD segment traces as short, parallel, balanced pairs to minimize ghosting on the display glass. Place the 32.768kHz external crystal (if used for RTI) within 5mm of the EXTAL/XTAL pins with a guard ring to the GND plane. The CAN TX/RX traces should be routed as a 100-ohm differential pair from the MCU to the CAN transceiver, keeping them short and away from PWM signals to prevent radiated emissions issues.
Compliance Information
Industrial-grade part; -MLH suffix variant is AEC-Q100 qualified. RoHS/REACH/lead-free status not confirmed in retrieved distributor data - verify via NXP product compliance portal before RoHS-restricted production use.
