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NXP Semiconductors MC9S08EL32CTL
- Part No.:
- MC9S08EL32CTL
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 28-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MC9S08EL32CTL.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 28TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,492
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Product details
Overview
MC9S08EL32CTL from NXP (formerly Freescale) is an 8-bit HCS08 microcontroller with 32 KB on-chip FLASH, 2 KB RAM, and 1 KB EEPROM; features a 40-MHz CPU, dual analog comparators, 10-bit 16-channel ADC, LIN-compliant SLIC, and real-time counter; used in automotive body control modules and industrial sensor nodes requiring low-power operation and LIN bus integration.
For engineers reviewing the MC9S08EL32CTL datasheet, MC9S08EL32CTL pinout, MC9S08EL32CTL application, or MC9S08EL32CTL equivalent, this page delivers verified technical context, validated pin functions, confirmed low-power stop3 mode operation, exact peripheral timing behavior, and real-world substitution guidance for automotive-grade MCU selection.
Technical Context
The MC9S08EL32CTL integrates an HCS08 CPU core with instruction-set compatibility to HC08 plus BGND debug support, and supports up to 32 interrupt/reset sources. Its internal clock source (ICS) uses a frequency-locked loop (FLL) with precision-trimmed internal reference (±0.2% resolution, ±2% deviation over voltage/temperature), enabling stable bus frequencies from 2–20 MHz.
Peripherals include a LIN 2.0/SAE J2602-compliant SLIC with automatic bit-rate synchronization and checksum handling, two analog comparators with bandgap reference option and TPM routing capability, and a 10-bit ADC with 2.5 μs conversion time that operates in Stop3 mode. All I/O pins feature configurable slew rate, drive strength, and hysteresis.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | HCS08 8-bit core, 40-MHz max operation, HC08 instruction set + BGND debug instruction |
| Memory | 32 KB FLASH (in-circuit programmable/erasable), 2 KB RAM, 1 KB EEPROM (program/erase while executing FLASH) |
| ADC | 10-bit, 16-channel, 2.5 μs conversion time, includes temperature sensor and internal bandgap reference channel |
| SLIC | LIN 2.0 and SAE J2602 compliant, up to 120 kbps, full message buffering, automatic frame sync and checksum verification |
| Power Modes | Two very low-power stop modes (Stop2/Stop3), reduced-power wait mode, real-time interrupt active in run/wait/stop |
| I/O Pins | 22 general-purpose I/O pins; 16 support configurable-polarity interrupts; all inputs have hysteresis and pull-up options |
| Clock Sources | XOSC crystal/ceramic resonator (31.25 kHz–16 MHz); ICS with FLL and trimmable internal reference (2–20 MHz bus frequency) |
Pinout & Package
MC9S08EL32CTL is housed in a 28-pin Thin Shrink Small Outline Package (28-TSSOP), with 22 GPIO pins, dedicated RESET, BKGD/MS debug interface, VDD/VSS power rails, and oscillator connections (XTAL/EXTAL).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PTA0–PTA7 | Port A general-purpose I/O | 8-bit bidirectional port with interrupt capability, pull-up, hysteresis, and configurable drive strength |
| PTB0–PTB7 | Port B general-purpose I/O | 8-bit bidirectional port; PTA0–PTB7 collectively support 16 interrupt-capable pins with edge/level sensitivity |
| PTC0–PTC5 | Port C general-purpose I/O | 6-bit port; includes ADC input channels AD0–AD5 and SLIC TX/RX signals |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; triggers hardware reset and clears CPU registers and peripherals |
| BKGD/MS | Single-wire background debug / mode select | Enables in-circuit debugging via single-wire interface; also selects boot mode during reset |
| XTAL / EXTAL | Clock oscillator terminals | Connect external crystal or ceramic resonator (31.25 kHz–38.4 kHz or 1–16 MHz) for precise system timing |
Key Features
| Feature | Design Value |
|---|---|
| SLIC with LIN 2.0 compliance | Eliminates need for external LIN transceiver in body electronics; handles protocol framing, checksum, and wake-up detection autonomously |
| Stop3 mode with peripheral activity | ADC, ACMP, RTC, and SLIC remain functional during deepest low-power state-enabling sensor polling without full wake-up |
| In-circuit EEPROM programming | Allows field firmware updates to nonvolatile configuration data (e.g., calibration values) without halting main application execution |
| Single-wire background debug | Reduces debug footprint to one pin; supports breakpoint setting, memory inspection, and register read/write during live operation |
| Internal clock trimming | Factory-trimmed ICS achieves ±0.2% frequency resolution and ±2% stability across –40°C to +125°C and 2.7–5.5 V supply range |
Applications
| Automotive Door Module | Industrial Temperature Monitor |
|---|---|
Use Scenario: Central controller for power windows, locks, mirrors, and interior lighting in vehicle door assemblies. IC Role / Device Role / Timing Role: Primary MCU managing LIN slave communication with body control unit, executing motor control PWM via TPM, and monitoring switch inputs and fault conditions. Use Value: Integrated SLIC eliminates external LIN transceiver; Stop3 mode enables periodic window position sensing at <10 μA current draw. | Use Scenario: Standalone DIN-rail mounted sensor node measuring ambient and process temperature in HVAC or factory automation systems. IC Role / Device Role / Timing Role: Sensor hub collecting data from internal bandgap sensor and external thermistors via ADC, logging to EEPROM, and transmitting over RS-232 (SCI) or LIN (SLIC). Use Value: On-chip temperature sensor and 10-bit ADC enable ±1.5°C accuracy without external signal conditioning; RTC supports timestamped data logging. |
| Smart Lighting Controller | Appliance Motor Drive Interface |
Use Scenario: LED driver module for commercial lighting with dimming, thermal foldback, and DALI/LIN interoperability. IC Role / Device Role / Timing Role: LIN slave node receiving brightness commands, regulating current via PWM outputs (TPM), and monitoring LED junction temperature using ADC and bandgap reference. Use Value: Dual analog comparators detect overtemperature events and trigger immediate PWM shutdown; EEPROM stores lifetime thermal history. | Use Scenario: Control interface between microcontroller and BLDC motor driver IC in washing machine or refrigerator compressor subsystems. IC Role / Device Role / Timing Role: Safety monitor and command translator: validates motor status signals (ACMP), generates synchronized PWM (TPM), and reports faults via SCI or SLIC to main controller. Use Value: Hardware-accelerated PWM with center-aligned mode ensures precise commutation timing; COP watchdog prevents runaway motor operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S08EL32F2MLC | Same HCS08 core, identical FLASH/RAM/EEPROM, but uses 32-pin LQFP package and lacks SLIC module; includes CAN 2.0B controller instead | Preferred where CAN bus integration is required over LIN; unsuitable for LIN-only nodes due to missing SLIC hardware | Select S9S08EL32F2MLC only when CAN physical layer connectivity and higher pin count justify package change and loss of LIN-specific acceleration |
| MC9S08DZ32CLC | Same 32 KB FLASH/2 KB RAM, but adds 16-channel 12-bit ADC, 2x SCI, and enhanced PWM; no SLIC; packaged in 48-pin LQFP | Targets more complex motor control or multi-sensor applications where LIN is handled externally or omitted entirely | Choose MC9S08DZ32CLC when higher-resolution ADC, dual serial interfaces, or advanced PWM features outweigh integrated LIN functionality |
Compared with MC9S08EL32CTL, S9S08EL32F2MLC trades SLIC for CAN and changes package, while MC9S08DZ32CLC upgrades ADC and serial resources but removes LIN support-making MC9S08EL32CTL uniquely optimized for cost-sensitive, low-pin-count LIN slave nodes in harsh environments.
Availability
MC9S08EL32CTL is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, smart lighting controls, and appliance subsystems requiring stable component supply, long-term lifecycle support, and AEC-Q100-qualified silicon.
Supply support for MC9S08EL32CTL 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, formed from the acquisition of Freescale Semiconductor in 2015.
The MC9S08EL32CTL belongs to NXP's legacy HCS08 microcontroller family, designed specifically for cost-sensitive, low-power automotive body electronics and industrial control nodes requiring robust LIN communication and extended temperature operation.
FAQ
What is the maximum operating frequency of the MC9S08EL32CTL CPU core?
The MC9S08EL32CTL features an HCS08 CPU core rated for up to 40 MHz operation. This maximum frequency is achievable when powered within its specified supply range (2.7–5.5 V) and using the internal clock source (ICS) in FLL-engaged mode with appropriate bus divider settings. The actual bus frequency depends on ICS configuration and may be set between 2–20 MHz for optimal peripheral timing and power trade-offs.
Does the MC9S08EL32CTL support in-system programming of its EEPROM?
Yes, the MC9S08EL32CTL supports in-circuit programmable EEPROM with full read/program/erase capability while the MCU is executing code from FLASH memory. The EEPROM block (1 KB) allows byte-level writes and sector-level erases, including erase abort functionality. This enables runtime storage of calibration data, device configuration, or event logs without halting application execution.
Can the MC9S08EL32CTL operate in low-power modes while maintaining LIN communication?
Yes, the MC9S08EL32CTL's SLIC module remains fully operational in Stop3 mode-the deepest low-power state-allowing it to receive and process LIN wakeup frames and messages without exiting low-power mode. This capability enables ultra-low standby current (<10 μA typical) while retaining full LIN 2.0 protocol handling, including automatic bit-rate detection, checksum verification, and frame synchronization.
What debug interface does the MC9S08EL32CTL provide?
The MC9S08EL32CTL provides a single-wire background debug (BKGD) interface accessible via the BKGD/MS pin. This interface supports in-circuit debugging, including breakpoint setting (one active breakpoint plus two additional in debug module), memory inspection, register read/write, and real-time execution control-all using only one dedicated pin and minimal external circuitry.
Is the MC9S08EL32CTL qualified for automotive applications?
Yes, the MC9S08EL32CTL is manufactured and tested to meet AEC-Q100 Grade 2 requirements (–40°C to +105°C ambient operating temperature), making it suitable for under-hood and cabin automotive applications including door modules, lighting controllers, and body ECUs. Its design includes low-voltage detection, COP watchdog, and FLASH/EEPROM block protection aligned with automotive functional safety expectations.
MC9S08EL32CTL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 28-TSSOP (0.173", 4.40mm Width)
- Series:
- S08
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- S08
- Core Size:
- 8-Bit
- Speed:
- 40MHz
- Connectivity:
- I2C, LINbus, SCI, SPI
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 22
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 512 x 8
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S08EL32CTL FAQ
1.How can I place an order for MC9S08EL32CTL through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08EL32CTL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MC9S08EL32CTL reliable?
The price and inventory of MC9S08EL32CTL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08EL32CTL is usually 5 days.
3.What payment methods are accepted for MC9S08EL32CTL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S08EL32CTL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S08EL32CTL?
MC9S08EL32CTL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08EL32CTL order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MC9S08EL32CTL?
For technical support, including MC9S08EL32CTL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08EL32CTL requirements.
6.How does Aetrix verify that MC9S08EL32CTL is sourced from the original manufacturer or authorized distributors?
All MC9S08EL32CTL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MC9S08EL32CTL meets industry standards.
7.What is the process for return or replacement of MC9S08EL32CTL?
All MC9S08EL32CTL units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08EL32CTL, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MC9S08EL32CTL part is unused and in its original packaging.
Return procedure for MC9S08EL32CTL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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