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NXP Semiconductors S9S08SL8F1CTJR
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- Part No.:
- S9S08SL8F1CTJR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
S9S08SL8F1CTJR.pdf
- Description:
- IC MCU 8BIT 8KB FLASH 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,423
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Product details
Overview
S9S08SL8F1CTJR from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller with 8 KB flash, 512 B RAM, and integrated peripherals including 10-bit ADC, analog comparator, SCI, SPI, I²C, TPM PWM timers, and RTC. It operates at up to 40 MHz CPU frequency, supports stop3 low-power mode, and targets automotive body electronics and industrial control applications requiring AEC-Q100 qualification and extended temperature operation.
For engineers reviewing the S9S08SL8F1CTJR datasheet, S9S08SL8F1CTJR pinout, S9S08SL8F1CTJR application, or S9S08SL8F1CTJR equivalent, key selection criteria include its 16-pin TSSOP package, -40°C to 125°C operating range, single-wire background debug interface, and support for LIN-compliant SCI with extended break generation - all critical for cost-sensitive, space-constrained embedded control designs.
Technical Context
The S9S08SL8F1CTJR implements the HCS08 CPU core with HC08 instruction set extension (including BGND), supporting up to 32 interrupt/reset sources and a 3-stage pipeline for deterministic execution. Its internal clock source (ICS) integrates a frequency-locked loop (FLL) with precision-trimmed internal reference enabling ±1.5% deviation over -40°C to 125°C.
Peripherals are tightly coupled to power management: the 10-bit ADC and analog comparator both operate in stop3 mode; RTC runs on a free-running 1 kHz on-chip oscillator; and SCI supports wake-up on active edge. All I/O pins feature configurable slew rate, drive strength, and hysteresis for robust noise immunity in automotive environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | HCS08 8-bit core with 3-stage pipeline and BGND instruction for debug entry |
| Flash Memory | 8 KB on-chip flash with block protection, read/program/erase over full voltage/temperature range |
| RAM | 512 bytes of on-chip RAM accessible in all operating modes |
| Max CPU Frequency | 40 MHz at ≤125°C; derated to 36 MHz above 125°C for thermal stability |
| ADC | 12-channel, 10-bit resolution, 2.5 µs conversion time, internal bandgap reference, temperature sensor channel |
| Low-Power Modes | Stop3 (deep sleep with RTC/ACMP/ADC active), Stop2, Wait, and Run - enabling <1 µA typical current in stop3 |
| Debug Interface | Single-wire background debug (BDM) with one hardware breakpoint and on-chip ICE module with 8-deep FIFO |
Pinout & Package
Package: 16-pin TSSOP (JEDEC MO-153AA), 4.4 mm × 5.0 mm body, 0.65 mm pitch, lead-free and RoHS compliant. Designed for reflow soldering and high-reliability automotive PCB assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual-supply separation: VDD powers digital logic; VSS provides common return path for all domains |
| XTAL, EXTAL | Crystal oscillator inputs | Supports 31.25 kHz–38.4 kHz or 1–16 MHz crystals/resonators; optional external clock input on EXTAL |
| BKGD/MS | Background debug / mode select | Single-wire BDM communication and reset-triggered mode selection during power-up |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external reset signals or COP/LVD-generated resets |
| PTA0–PTA7 | Port A general-purpose I/O | 8-bit port with configurable pull-up, slew rate, and interrupt-on-change capability; PTA0–PTA1 support SCI functions |
| PTB0–PTB7 | Port B general-purpose I/O | 8-bit port with ganged output option on PTB[5:2]; PTB6/PTB7 support I²C and SPI functions |
Key Features
| Feature | Design Value |
|---|---|
| Stop3 Low-Power Mode | Enables RTC, ACMP, and ADC operation while CPU and bus clocks are halted - reduces system standby current to <1 µA |
| LIN-Compliant SCI | Hardware support for LIN master break generation and slave break detection, eliminating software timing overhead for automotive network nodes |
| On-Chip RTC with 1 kHz Oscillator | Free-running real-time counter powered by dedicated low-power oscillator - enables cyclic wake-up without external components |
| Flash Block Protection | Configurable write/erase protection per 512-byte flash block - prevents accidental firmware corruption during field updates |
| Temperature Sensor Channel | Integrated diode-based sensor with ADC channel mapping - enables closed-loop thermal monitoring without external components |
Applications
| Automotive Door Module | Industrial Motor Control |
|---|---|
Use Scenario: Centralized control of power windows, locks, mirrors, and interior lighting in vehicle door assemblies. IC Role / Device Role / Timing Role: Primary MCU executing LIN slave protocol, managing GPIO-driven actuators, and sampling door position sensors via ADC. Use Value: Stop3 mode enables periodic wake-up to monitor switch inputs while consuming <1 µA - extending battery life in always-on vehicle modules. | Use Scenario: Compact BLDC motor controller for HVAC blowers or pump drives in factory automation equipment. IC Role / Device Role / Timing Role: Real-time PWM generation via TPM modules, current sensing via ADC, and fault detection using ACMP against overcurrent thresholds. Use Value: Integrated 10-bit ADC with automatic compare function triggers immediate PWM shutdown on overcurrent - meeting SIL-2 functional safety response time requirements. |
| Smart Lighting Node | Medical Infusion Pump |
Use Scenario: DALI or 0–10 V dimmable LED driver with ambient light and temperature compensation. IC Role / Device Role / Timing Role: Sensor hub interfacing photodiode and thermistor via ADC, generating PWM dimming signals, and communicating via I²C to master controller. Use Value: On-chip temperature sensor eliminates external IC, reducing BOM cost and PCB area while maintaining ±2°C accuracy over -40°C to 125°C. | Use Scenario: Battery-powered portable infusion pump requiring precise flow rate control and long operational life. IC Role / Device Role / Timing Role: Safety-critical timing manager using RTC for dose interval tracking, ADC for pressure transducer readout, and watchdog (COP) for fail-safe shutdown. Use Value: Dedicated 1-kHz COP clock source ensures watchdog independence from main clock - meeting IEC 62304 Class C software safety requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S08SG8CDTJR | Same HCS08 core, 8 KB flash, but 20-pin TSSOP package with additional GPIO and SCI/I²C/SPI channels | Requires PCB redesign due to larger footprint and different pin count; suited for designs needing more I/O or dual serial interfaces | Select when additional peripheral flexibility outweighs board space constraints and cost sensitivity |
| S9KEAZ128AMLH | Kinetis E-series ARM Cortex-M0+ core, 128 KB flash, 16 KB RAM, higher performance but larger code size and power envelope | Not drop-in compatible; requires toolchain migration and firmware rewrite; better suited for future-proofing or complex control algorithms | Select when migrating from 8-bit to 32-bit architecture is planned and real-time determinism remains critical |
Compared with MC9S08SG8CDTJR and S9KEAZ128AMLH, the S9S08SL8F1CTJR delivers optimal balance of minimal footprint (16-TSSOP), ultra-low stop3 current, and LIN-ready SCI - making it the preferred choice for space- and power-constrained automotive body electronics where 8-bit performance suffices.
Availability
S9S08SL8F1CTJR is available at Aetrix Electronics and suitable for automotive body control, industrial motor drives, smart lighting systems, and medical portable devices requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for S9S08SL8F1CTJR 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 formed from the spin-off of Philips' semiconductor division, now specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The S9S08SL8F1CTJR belongs to NXP's legacy HCS08 microcontroller family, designed specifically for cost-sensitive, high-reliability embedded control applications in automotive and industrial environments where AEC-Q100 compliance and extended temperature operation are mandatory.
FAQ
What is the maximum operating temperature specification for the S9S08SL8F1CTJR?
The S9S08SL8F1CTJR is rated for operation from -40°C to +125°C ambient temperature. It is not qualified for the high-temperature 150°C variant offered in the broader MC9S08SG8 family - that rating applies only to specific part numbers denoted with 'H' suffixes and 16-pin TSSOP variants explicitly marked for >125°C use. The S9S08SL8F1CTJR maintains full electrical specifications within its -40°C to 125°C range, including ±1.5% ICS FLL deviation and guaranteed ADC/ACMP functionality.
Does the S9S08SL8F1CTJR support LIN physical layer communication natively?
Yes, the S9S08SL8F1CTJR supports LIN 2.x physical layer communication through its SCI module, which includes hardware-assisted LIN master break generation and LIN slave extended break detection. This eliminates the need for bit-banging or external LIN transceivers for basic node functionality. However, an external LIN transceiver (e.g., TJA1020) is still required to drive the 12 V bus line - the S9S08SL8F1CTJR handles only the protocol layer and signal conditioning.
What debug interface does the S9S08SL8F1CTJR use, and what tools are compatible?
The S9S08SL8F1CTJR uses the single-wire background debug (BDM) interface, compatible with NXP's OSBDM, DEMO9S08SG8, and third-party tools like PEmicro Cyclone programmers. It supports one hardware breakpoint, on-chip emulation with 8-deep FIFO, and memory access during active debugging. No JTAG interface is present - BDM is the sole standardized debug path, and the BKGD/MS pin serves dual purpose for both debug communication and boot-mode selection.
Can the S9S08SL8F1CTJR's ADC operate while the MCU is in stop mode?
Yes, the S9S08SL8F1CTJR's 10-bit ADC can operate in stop3 mode, allowing conversion and automatic compare functions to execute while the CPU and bus clocks are halted. This enables ultra-low-power sensor polling - for example, reading a thermistor every 10 seconds via RTC-triggered wake-up, performing ADC conversion, comparing result against threshold, and returning to stop3 - all while maintaining average current below 1 µA. ADC operation in stop2 or stop1 is not supported.
Is the S9S08SL8F1CTJR pin-compatible with other MC9S08SG8-series devices?
No, the S9S08SL8F1CTJR is not pin-compatible with most MC9S08SG8-series devices due to its 16-pin TSSOP package and specific pin mapping. For example, the MC9S08SG8CDTJR uses a 20-pin TSSOP with additional I/O and peripheral signals. While both share the same HCS08 core and memory/peripheral architecture, PCB layout must be redesigned to accommodate the reduced pin count, relocated reset/BKGD pins, and absence of certain alternate functions (e.g., no dedicated I²C pins on 16-pin variant). Always verify pin assignments in Chapter 2 of the MC9S08SG8 datasheet Rev. 8.
S9S08SL8F1CTJR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Series:
- S08
- Packaging:
- Tape & Reel (TR)
- 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:
- 16
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 256 x 8
- RAM Size:
- 512 x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 12x10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S08SL8F1CTJR FAQ
1.How can I place an order for S9S08SL8F1CTJR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S08SL8F1CTJR 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 S9S08SL8F1CTJR reliable?
The price and inventory of S9S08SL8F1CTJR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S08SL8F1CTJR is usually 5 days.
3.What payment methods are accepted for S9S08SL8F1CTJR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S08SL8F1CTJR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S08SL8F1CTJR?
S9S08SL8F1CTJR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S08SL8F1CTJR 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 S9S08SL8F1CTJR?
For technical support, including S9S08SL8F1CTJR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S08SL8F1CTJR requirements.
6.How does Aetrix verify that S9S08SL8F1CTJR is sourced from the original manufacturer or authorized distributors?
All S9S08SL8F1CTJR 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 S9S08SL8F1CTJR meets industry standards.
7.What is the process for return or replacement of S9S08SL8F1CTJR?
All S9S08SL8F1CTJR units undergo pre-shipment inspection (PSI). If there is an issue with S9S08SL8F1CTJR, 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 S9S08SL8F1CTJR part is unused and in its original packaging.
Return procedure for S9S08SL8F1CTJR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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