NXP Semiconductors MC9S08EL16CTLR

Overview

MC9S08EL16CTLR from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller with 16 KB on-chip FLASH, 1 KB RAM, and 128 B EEPROM; features 10-bit ADC, dual analog comparators, LIN-capable SLIC, SCI, SPI, I²C, two TPM modules, RTC, and 22 GPIO pins in a 28-TSSOP package; used in automotive body electronics and industrial control nodes requiring LIN communication and low-power operation.

For engineers reviewing the MC9S08EL16CTLR datasheet, MC9S08EL16CTLR pinout, MC9S08EL16CTLR application, or MC9S08EL16CTLR equivalent, key selection criteria include FLASH size vs. MC9S08EL32CTLR, SLIC protocol compliance (LIN 2.0/SAE J2602), stop3-mode ADC operation, internal clock source trimming accuracy (±2% over voltage/temperature), and 28-TSSOP thermal performance in constrained PCB layouts.

Technical Context

The MC9S08EL16CTLR implements the HCS08 CPU core running at up to 40 MHz with HC08 instruction set extension including BGND; supports 32 interrupt/reset sources and uses a frequency-locked loop (FLL) internal clock source with ±0.2% trim resolution and ±2% deviation across voltage and temperature.

It integrates a Slave LIN Interface Controller (SLIC) compliant with LIN 2.0 and SAE J2602, supporting up to 120 kbps, full message buffering, automatic bit-rate synchronization, and checksum generation/verification - all while operating in stop3 mode for ultra-low-power wake-up scenarios.

Key Specifications

Pinout & Package

MC9S08EL16CTLR is housed in a 28-pin Thin Shrink Small Outline Package (TSSOP) with 0.65 mm pitch, optimized for thermal dissipation and board-level reliability in automotive and industrial environments.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S08EL16CTLR, MC9S08EL32CTLR offers double FLASH capacity in identical packaging for scalable firmware development, while S9S08EL16V2CFUE provides identical functionality under NXP's updated product nomenclature and support roadmap.

Availability

MC9S08EL16CTLR is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, and LIN-based smart actuator interfaces requiring stable component supply, long-lifecycle support, and AEC-Q100-aligned qualification.

Supply support for MC9S08EL16CTLR 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 leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with roots in Freescale's microcontroller heritage.

The MC9S08EL16CTLR belongs to the HCS08 EL-series, designed specifically for cost-sensitive, low-power automotive body electronics and industrial control nodes requiring LIN protocol compliance and robust mixed-signal integration.

FAQ

What is the maximum bus frequency supported by the MC9S08EL16CTLR?

The MC9S08EL16CTLR supports a maximum bus frequency of 20 MHz when using its internal clock source (ICS) with frequency-locked loop (FLL), and up to 40 MHz when driven by an external crystal or oscillator. This dual-clock flexibility allows designers to balance power efficiency and processing throughput based on application demands. The MC9S08EL16CTLR maintains full peripheral functionality-including ADC, SLIC, and TPM-at both frequencies.

Does the MC9S08EL16CTLR support LIN 2.0 protocol natively?

Yes, the MC9S08EL16CTLR includes a dedicated Slave LIN Interface Controller (SLIC) module that fully complies with LIN 2.0 and SAE J2602 standards. It handles automatic bit-rate detection, frame synchronization, checksum generation and verification, and extended break detection-all in hardware. This eliminates software overhead and ensures deterministic timing for MC9S08EL16CTLR-based LIN slave nodes.

Can the MC9S08EL16CTLR operate its ADC in low-power stop modes?

Yes, the MC9S08EL16CTLR's 10-bit ADC remains fully operational in stop3 mode, enabling ultra-low-power sensor acquisition with wake-up triggered by conversion completion or external event. This capability allows battery-powered applications to achieve sub-10 µA sleep current while retaining precise analog measurement readiness-critical for MC9S08EL16CTLR deployments in remote industrial sensors.

What debug interface does the MC9S08EL16CTLR use?

The MC9S08EL16CTLR uses a single-wire background debug (BKGD) interface for in-circuit programming and debugging. This minimal-pin-count interface supports breakpoint setting, memory inspection, and register read/write without requiring dedicated JTAG headers. The BKGD pin doubles as a general-purpose I/O when debug is disabled, preserving pin count for MC9S08EL16CTLR's compact 28-TSSOP footprint.

Is the MC9S08EL16CTLR pin-compatible with other HCS08 family members?

The MC9S08EL16CTLR shares the same 28-TSSOP package and pin assignment with MC9S08EL32CTLR and MC9S08SL16 devices, enabling drop-in replacement where FLASH or RAM requirements differ. However, pin compatibility does not guarantee identical peripheral register mapping across all variants-designers must verify SLIC, ADC, and TPM configuration registers per device revision before substitution in existing MC9S08EL16CTLR designs.