NXP Semiconductors S9S12GN48F1VLCR

Overview

S9S12GN48F1VLCR from NXP Semiconductors is a 16-bit automotive-grade microcontroller in the S12G family, featuring 48 KB on-chip Flash with ECC, 4 KB SRAM, and integrated CAN 2.0B controller. It operates at up to 25 MHz core frequency, supports -40°C to +105°C ambient temperature, and includes 10-bit ADC (8-channel), PWM (8-channel), and BDM debug interface. It targets engine control units, body electronics, and transmission modules requiring AEC-Q100 Grade 2 compliance.

For engineers reviewing the S9S12GN48F1VLCR datasheet, S9S12GN48F1VLCR pinout, S9S12GN48F1VLCR application, or S9S12GN48F1VLCR equivalent, key selection criteria include Flash size (48 KB), CAN interface integration, extended temperature operation (-40°C to +105°C), package type (LQFP-48), and AEC-Q100 qualification status - all confirmed for this exact variant.

Technical Context

The S9S12GN48F1VLCR implements the S12 CPU12 core with 16-bit data path and von Neumann architecture, executing instructions from internal Flash or SRAM. Its memory subsystem includes 48 KB Flash with single-bit error correction and double-bit error detection, plus 4 KB SRAM with parity protection.

It integrates a scalable Controller Area Network (MSCAN) module compliant with ISO 11898-1, supporting bit rates up to 1 Mbps, along with a 10-bit, 8-channel ADC with configurable sample-and-hold and external trigger capability. Clock generation uses an internal RC oscillator (1–8 MHz), main external crystal (1–32 MHz), and PLL for core frequency scaling.

Key Specifications

Pinout & Package

LQFP-48 package with exposed thermal pad; 7 mm × 7 mm footprint, 0.5 mm lead pitch, JEDEC MS-026AC compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with S9S12GN48F1VLCR, the S9S12GN32F1VLCR offers lower Flash density at identical package and qualification, while the S9S12G48F1VLCR removes automotive qualification - making the original part uniquely suited for AEC-Q100-compliant 48 KB Flash applications in harsh environments.

Availability

S9S12GN48F1VLCR is available at Aetrix Electronics and suitable for engine control units, body control modules, transmission control units, and electric power steering systems requiring stable component supply across automotive production lifecycles.

Supply support for S9S12GN48F1VLCR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The S9S12GN48F1VLCR belongs to the S12G microcontroller family, designed specifically for cost-optimized, safety-conscious automotive body and powertrain applications with integrated CAN and AEC-Q100 qualification.

FAQ

What is the maximum operating frequency of the S9S12GN48F1VLCR?

The S9S12GN48F1VLCR supports a maximum bus frequency of 25 MHz, achieved via its internal PLL using either the internal RC oscillator or external crystal (1–32 MHz). This frequency governs instruction execution speed, peripheral timing, and ADC conversion rate - all verified under AEC-Q100 Grade 2 conditions from -40°C to +105°C. The S9S12GN48F1VLCR does not support overclocking beyond this specification.

Does the S9S12GN48F1VLCR include hardware support for functional safety standards?

Yes, the S9S12GN48F1VLCR includes Flash with ECC, SRAM with parity, and a watchdog timer with windowed mode - features aligned with ISO 26262 ASIL-B requirements. It is AEC-Q100 Grade 2 qualified, and its failure-in-time (FIT) rate is documented in NXP's reliability reports. These capabilities are intrinsic to the S9S12GN48F1VLCR silicon and require no external components to implement basic safety mechanisms.

Can the S9S12GN48F1VLCR be programmed in-system without removing it from the PCB?

Yes, the S9S12GN48F1VLCR supports in-circuit programming and debugging via its single-wire Background Debug (BDM) interface using the BKGD pin. No JTAG header or external programmer is required - standard BDM tools (e.g., PE Micro Cyclone) can erase, program, and debug the S9S12GN48F1VLCR while mounted on the target board, provided VDD, VSS, and BKGD are accessible.

What is the ADC resolution and channel count on the S9S12GN48F1VLCR?

The S9S12GN48F1VLCR integrates a 10-bit successive approximation register (SAR) ADC with 8 input channels (AD0–AD7). It supports both single-ended and differential input modes, configurable sample-and-hold timing, and external triggering from timer or CAN events. Conversion time is 8 µs typical at 25 MHz bus speed - a parameter confirmed in the MC9S12G Family Data Sheet for the S9S12GN48F1VLCR variant.

Is the S9S12GN48F1VLCR pin-compatible with other S12G family members?

The S9S12GN48F1VLCR uses a 48-pin LQFP package shared with several S12G variants (e.g., S9S12GN32F1VLCR, S9S12G48F1VLCR), and its pinout is identical within the "GN" subfamily. However, pin compatibility does not guarantee functional or software compatibility - differences in Flash size, qualification grade, or peripheral enablement require validation. The S9S12GN48F1VLCR pinout is defined in Section 1.8.3 of the MC9S12G Family Reference Manual Rev. 1.28.