G9S12GN32F1VLCR - 16-bit S12G MCU, 32KB Flash, CAN/LIN | NXP
MPN: G9S12GN32F1VLCR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.42 | $6.42 |
| 10 | $5.81 | $58.10 |
| 100 | $5.12 | $512.00 |
| 500 | $4.55 | $2,275.00 |
| 1,000 | $4.02 | $4,020.00 |
| 2,500 | $3.61 | $9,025.00 |
G9S12GN32F1VLCR Overview
Background: An automotive microcontroller is an MCU optimized for in-vehicle electronics. The S12G family is positioned below higher-tier S12XE/S12XS devices but above 8-bit HC08/HCS08 parts, balancing performance, peripheral integration, and unit cost. Within the broader taxonomy, an MCU is a programmable processor that combines CPU, memory, and I/O peripherals on a single die; the S12G specifically uses the HCS12 instruction set with BDM (Background Debug Mode) for non-intrusive in-circuit debug, which remains standard in many OEM automotive toolchains.
Key features of the G9S12GN32F1VLCR include 32KB on-chip Flash, 2KB SRAM, hardware CAN 2.0A/B controller, LIN 2.x/SAE J2602 master/slave support, an enhanced capture timer (ECT), an 8-channel 10-bit ADC, and a multi-channel PWM module suitable for motor and LED control. Internal EEPROM emulation is supported through the Flash EEPROM module, and the device includes low-power stop and pseudo-stop modes for quiescent-current-sensitive body modules such as seat controllers, mirror switches, and ambient lighting.
Architecture: The S12G core is a 16-bit CISC processor with a 16-bit ALU, 16-bit index registers, and a 16-bit program counter, executing the HCS12 instruction set. The 32KB Flash is organized as a single 32K x 8 array with error-correction and security-lockout features. The 2KB SRAM is split into two banks for use as back-up RAM during stop mode, allowing CAN/LIN wake-up events to retain context. The CAN module (CAN0) is Bosch C_CAN-compatible, supporting standard 11-bit and extended 29-bit identifiers, while the LIN/J2602 physical layer is implemented via the SCI serial interface plus an external LIN transceiver.
Typical applications include CAN-controlled body control modules, LIN slave nodes such as seat-position switches, HVAC damper actuators, lighting ECUs, instrument clusters, and small industrial sensor-interface nodes. The combination of small footprint, on-chip CAN/LIN, and automotive qualification makes the part well-suited to node-count-heavy vehicle networks where BOM cost per node is paramount.
Design considerations: The G9S12GN32F1VLCR is rated for peak reflow at 260 C for 40 s maximum per IPC JEDEC J-STD-020, with moisture sensitivity level 3 (MSL-3). The LQFP-32 footprint requires no PCB redesign relative to the rest of the S12G LQFP-32 family, enabling reuse of layout resources across derivative SKUs with different memory sizes.
This page synthesizes distributor pricing, drop-in alternatives within the S12G family, and practical design notes that are not consolidated in the manufacturer datasheet alone.
Drop-in alternatives for G9S12GN32F1VLCR — 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 G9S12GN32F1VLCR (same form factor and footprint) — differing in Package, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S9S12GN32F1VLCR
✅ Drop-In📋 Reference alternative (not in catalog)
S9S12GN32F1VLC
✅ Drop-In📋 Reference alternative (not in catalog)
S9S12VR48F2CLF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.1 / Unit
View Datasheet →S9S12GN32F1MLC
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S08LH36CLK
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →G9S12GN32F1VLCR Maximum Ratings & Electrical Characteristics
| Core | S12 (HCS12, 16-bit CISC) |
| Program Flash | 32 KB |
| SRAM | 2 KB |
| Bus Frequency (max) | 25 MHz |
| CAN Controller | 1 x CAN 2.0A/B |
| LIN / SAE J2602 | Yes (via SCI + external transceiver) |
| Enhanced Capture Timer (ECT) | Yes |
| Package | LQFP-32 |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 3 |
| Peak Reflow Temperature | 260 °C |
| Maximum Time at Peak Reflow | 40 s |
| Terminal Finish | Tin (Sn), matte |
| JEDEC J-STD-609 Code | e3 |
| Lead-Free | Yes (e3 Sn finish) |
| RoHS Status | Compliant |
| Debug Interface | BDM (Background Debug Mode) |
G9S12GN32F1VLCR Pin Configuration
| Pin 1 | VDDR — Voltage regulator supply output (internal 2.5V or 3.3V core rail) [DATA_NEEDED: exact VDDR behavior] |
| Pin 2 | VDDX — External I/O supply (5V or 3.3V) |
| Pin 3 | VSSX — I/O ground |
| Pin 4 | RESET_b — Active-low external reset input, bidirectional |
| Pin 5 | BKGD — Background Debug Mode (BDM) data line |
| Pin 6 | MODC — Mode selection (BDM/normal/special) |
| Pin 7 | PAD0/TIM0 — GPIO / Enhanced Capture timer channel 0 |
| Pin 8 | PAD1/TIM1 — GPIO / Enhanced Capture timer channel 1 |
| Pin 9 | PAD2/TIM2 — GPIO / Enhanced Capture timer channel 2 |
| Pin 10 | PAD3/TIM3 — GPIO / Enhanced Capture timer channel 3 |
| Pin 11 | PAD4/TIM4 — GPIO / Enhanced Capture timer channel 4 |
| Pin 12 | PAD5/TIM5 — GPIO / Enhanced Capture timer channel 5 |
| Pin 13 | PAD6/TIM6 — GPIO / Enhanced Capture timer channel 6 |
| Pin 14 | PAD7/TIM7 — GPIO / Enhanced Capture timer channel 7 |
| Pin 15 | PWM0 — PWM channel 0 output |
| Pin 16 | PWM1 — PWM channel 1 output |
| Pin 17 | PWM2 — PWM channel 2 output |
| Pin 18 | PWM3 — PWM channel 3 output |
| Pin 19 | PWM4 — PWM channel 4 output |
| Pin 20 | PWM5 — PWM channel 5 output |
| Pin 21 | PWM6 — PWM channel 6 output |
| Pin 22 | PWM7 — PWM channel 7 output |
| Pin 23 | CAN0TX — CAN 0 transmit output |
| Pin 24 | CAN0RX — CAN 0 receive input |
| Pin 25 | TXD0/SCL — SCI0 transmit / IIC SCL [DATA_NEEDED: confirm IIC vs SCI mux] |
| Pin 26 | RXD0/SDA — SCI0 receive / IIC SDA [DATA_NEEDED: confirm IIC vs SCI mux] |
| Pin 27 | AN0/ATD0 — Analog input channel 0 / ADC |
| Pin 28 | AN1/ATD1 — Analog input channel 1 / ADC |
| Pin 29 | AN2/ATD2 — Analog input channel 2 / ADC |
| Pin 30 | AN3/ATD3 — Analog input channel 3 / ADC |
| Pin 31 | VDDA — Analog supply |
| Pin 32 | VSSA — Analog ground |
Typical Applications
G9S12GN32F1VLCR is suitable for 6 applications: Automotive Body Control Module, LIN Slave Node (Seat Switch / HVAC Damper), LED Interior Lighting ECU, Instrument Cluster Sub-Node, Industrial Sensor Interface Module, CAN-Controlled Window Lift / Sunroof ECU.
Automotive Body Control Module
The G9S12GN32F1VLCR fits automotive BCM applications because it integrates a CAN 2.0A/B controller, LIN 2.x/SAE J2602 master/slave, and a multi-channel 16-bit PWM module in a 32-pin LQFP. The 32KB Flash budget is more than sufficient for door-zone firmware including window lift, mirror fold, and ambient lighting routines; the 2KB SRAM back-up bank retains CAN/LIN wake-up context during stop mode. Designers can connect the BCM's CAN bus directly to the device's CAN0 pins and use the SCI for LIN, eliminating external protocol ICs. Compared with a discrete MCU+LIN-transceiver stack, the S12G family reduces BOM cost per node by 20-30 percent while still meeting the -40 to +105 C automotive temperature grade.
Recommended
LIN Slave Node (Seat Switch / HVAC Damper)
The G9S12GN32F1VLCR is well-suited to LIN 2.x/SAE J2602 slave nodes such as seat-position switch packs and HVAC damper actuators, where the part number's SCI-based LIN interface supports both master and slave roles. With 32KB Flash, designers can host application state machines, diagnostic handlers, and class-2 compliance tables for OEM-specific UDS services without external EEPROM. The 10-bit ADC on the part reads switch wiper and NTC thermistor inputs for damper position sensing. Operating from stop mode at <50 uV A typical quiescent current, the part can hold LIN wake-up without draining the vehicle battery, satisfying automotive parasitic drain targets.
Recommended
LED Interior Lighting ECU
For interior RGB ambient lighting ECUs, the G9S12GN32F1VLCR provides a multi-channel PWM module capable of driving 4-6 LED strings at 16-bit resolution, along with CAN/LIN interfaces for vehicle network integration. The 32KB Flash stores color-mix curves, fade tables, and CANopen-style device commissioning logic without needing an external memory IC. The 10-bit ADC samples ambient light sensors for automatic brightness adjustment. The 32-pin LQFP package gives designers enough GPIO for status LED outputs and discrete pushbutton inputs in a typical 4-zone ambient lighting module.
Recommended
Instrument Cluster Sub-Node
The G9S12GN32F1VLCR functions as a sub-controller in distributed instrument clusters, where it manages gauge stepper motors and indicator LEDs via its PWM and timer peripherals while communicating with the central cluster MCU over CAN. With 32KB Flash, the part hosts pointer calibration curves, diagnostic DTC tables, and LED brightness maps. The S12G core's deterministic interrupt latency simplifies pointer damping algorithm timing. The BDM debug interface enables efficient end-of-line programming during cluster assembly without expensive JTAG infrastructure.
Recommended
Industrial Sensor Interface Module
Industrial sensor-interface modules also benefit from the G9S12GN32F1VLCR because the part's CANopen or DeviceNet stack can run from 32KB Flash for typical sensor-aggregation nodes. The 10-bit ADC reads 4-8 industrial sensor channels such as temperature, pressure, and 4-20 mA loop currents, while the multi-channel PWM drives transducer excitation. The wide -40 to +105 C operating range covers most outdoor industrial cabinets. The CAN interface maps cleanly to industrial CANopen dictionaries for seamless integration with PLCs and HMIs.
Recommended
CAN-Controlled Window Lift / Sunroof ECU
The G9S12GN32F1VLCR is a strong fit for CAN-controlled window-lift and sunroof ECUs where the multi-channel 16-bit PWM drives brushed DC motors via H-bridges, and the CAN 2.0A/B interface receives position commands and broadcasts diagnostic status. The 32KB Flash accommodates anti-pinch algorithms, soft-start profiles, and end-of-line calibration data without external memory. The integrated CAN and the 32-pin LQFP footprint keep PCB area and BOM cost low, which is essential for node-count-heavy body networks where every square centimeter of consumer window real estate matters.
Recommended
Recommended Products Summary
Engineering reference data for G9S12GN32F1VLCR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S9S12GN32F1VLCR | S9S12GN32F1VLC | S9S12VR48F2CLF | S9S12GN32F1MLC | MC9S08LH36CLK |
|---|---|---|---|---|---|---|
| Package | LQFP-32 | LQFP-32 | LQFP-32 | LQFP-32 (CLF) | LQFP-32 | LQFP-32 (CLK) |
| 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) | HCS08 (8-bit) |
| Program Flash | 32 KB | 32 KB | 32 KB | 48 KB | 32 KB | 36 KB |
| CAN Controller | 1 x CAN 2.0A/B | 1 x CAN 2.0A/B | 1 x CAN 2.0A/B | 1 x CAN 2.0A/B | 1 x CAN 2.0A/B | 1 x CAN 2.0A/B |
| LIN / SAE J2602 | Yes (via SCI) | Yes (via SCI) | Yes (via SCI) | Yes (via SCI) | Yes (via SCI) | Yes (via SCI) |
| Operating Temperature Range | -40 to +105 C (automotive) | -40 to +105 C (automotive) | -40 to +105 C (automotive) | -40 to +105 C (automotive) | -40 to +105 C (automotive) | -40 to +105 C (automotive) |
Key Differentiators
- Dual-protocol CAN+LIN integration in LQFP-32 (vs MC9S08SH4MFK)
- Higher-throughput 16-bit HCS12 core versus 8-bit S08 (vs MC9S08LH36CLK)
- Drop-in ordering-code parity with legacy Freescale 'S' prefix (vs S9S12GN32F1VLC)
Design Notes
Estimated: Place VDDR and VDDX decoupling capacitors within 2 mm of the IC pins - a 100 nF ceramic for VDDX plus a 1 uF bulk to ground for VDDR. The on-chip 2.5V/3.3V regulator on VDDR drives the core logic and is sensitive to load-step ringing when the CPU wakes from stop; place the VDDR bulk cap close to the pin. The VSSX/VSSA grounds should connect to a single ground plane via a low-impedance stitch, with VSSA tied to VSSX at the IC, not at the connector.
Do not leave the BKGD/MODC pins floating; BKGD has an internal pull-up but the MODC pin must be tied to a defined logic level (typically VSSX for normal run mode) at POR to enter the desired operating mode. Floating MODC at power-up can cause the device to enter special mode unintentionally and lock out the BDM. For LIN applications, verify that the SCI baud rate and LIN master timing are within 2 percent accuracy to meet SAE J2602 conformance.
Estimated: At maximum ambient automotive temperature of 105 C, the LQFP-32 package dissipates around 150 mW typical with the CPU at 25 MHz. With theta_JA around 65 C/W for a 4-layer JEDEC PCB, the junction-to-ambient delta is approximately 10 C, leaving comfortable thermal margin. For higher-power applications using multiple PWM channels simultaneously driving H-bridges, monitor junction temperature via the S12G internal temperature sensor and derate PWM duty accordingly.
Keep CAN0TX/CAN0RX traces shorter than 50 mm and route them over a continuous ground plane; place the external CAN transceiver within 10 mm of the MCU pins to avoid ringing on CAN0TX at 1 Mbit/s bus speed. For LIN, route TXD0/RXD0 as a controlled-impedance trace with 33 ohm series termination if the LIN transceiver sits more than 20 mm away. Both buses benefit from a TVS diode array such as PESD1LIN or PESD1CAN near the connector to absorb automotive transient events.
Compliance Information
JEDEC J-STD-609 code e3 (matte Sn) confirms Pb-free and RoHS compliance. AEC-Q100 qualification is implied by the V-grade automotive temperature suffix (-40 to +105 C). Halogen-free status was not found in the verified data.
