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NXP Semiconductors S9S08SG32E1WTLR
- Part No.:
- S9S08SG32E1WTLR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 28-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
S9S08SG32E1WTLR.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 28TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,182
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Product details
Overview
S9S08SG32E1WTLR from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller with 32 KB on-chip Flash, 2 KB RAM, and integrated peripherals including 10-bit ADC, dual TPM timers, SCI, SPI, I²C, ACMP, and RTC. It operates at up to 40 MHz bus frequency, supports -40°C to +125°C temperature range, and targets automotive body electronics and industrial control applications.
For engineers reviewing the S9S08SG32E1WTLR datasheet, S9S08SG32E1WTLR pinout, S9S08SG32E1WTLR application, or S9S08SG32E1WTLR equivalent, key selection criteria include its 28-pin TSSOP package, single-wire BDM debug interface, stop3 mode power consumption of 1.2 µA typical, internal clock source with ±1.5% accuracy over temperature, and AEC-Q100 Grade 2 qualification for automotive use.
Technical Context
The S9S08SG32E1WTLR implements the HCS08 CPU core with HC08 instruction set extension, supporting up to 32 interrupt/reset sources and BGND instruction for background debugging. Its internal clock source (ICS) uses a frequency-locked loop (FLL) with precision-trimmed internal reference enabling 2–20 MHz bus frequencies.
Peripherals include a 16-channel 10-bit ADC with 2.5 µs conversion time and internal temperature sensor, two 2-channel timer-pulse-width-modulator (TPM) modules supporting input capture, output compare, and edge-/center-aligned PWM, and a real-time counter (RTC) with free-running 1 kHz low-power oscillator that operates in all MCU modes including stop3.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | HCS08 8-bit CPU with 40 MHz max bus frequency and BGND instruction support |
| Memory | 32 KB Flash (program/erase over full temp/voltage), 2 KB RAM, security circuitry blocking unauthorized access |
| ADC | 16-channel, 10-bit resolution, 2.5 µs conversion time, internal bandgap reference and temperature sensor |
| Timers | Dual 2-channel TPM modules (TPM1/TPM2); 8-bit modulo timer (MTIM); 8-bit RTC with 1 kHz internal oscillator |
| Communication | SCI (LIN-capable), SPI (master/slave, double-buffered), I²C (100 kbps, multi-master, 10-bit addressing) |
| Power Management | Two very low-power stop modes (stop2/stop3), reduced-power wait mode; stop3 current = 1.2 µA typical |
| Temperature Range | -40°C to +125°C ambient operating range; qualified per AEC-Q100 Grade 2 |
Pinout & Package
Package: 28-pin Thin Shrink Small Outline Package (TSSOP), 4.4 mm × 9.7 mm body, 0.65 mm pitch, lead-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual supply pins for analog/digital domains; decoupling required per datasheet layout guidelines |
| XTAL, EXTAL | Clock input/output | Connects to external crystal or ceramic resonator (1–16 MHz or 31.25–38.4 kHz) for XOSC module |
| RESET | Active-low reset input | Asynchronous reset with internal pull-up; accepts external reset signal or watchdog timeout assertion |
| BKGD/MS | Single-wire background debug / mode select | Enables BDM communication during programming/debug; controls entry into active background mode |
| PTA0–PTA7 | Port A general-purpose I/O | 8-bit bidirectional port with configurable pull-up, slew rate, and drive strength; supports pin interrupts |
| PTB0–PTB7 | Port B general-purpose I/O | 8-bit port; PTB[5:2] supports ganged output for simultaneous state change across four pins |
| PTC0–PTC3 | Port C general-purpose I/O | 4-bit port; PTC[3:0] supports ganged output; all pins support hysteresis and selectable interrupt polarity |
| AD0–AD15 | ADC analog inputs | 16 dedicated analog input channels mapped to port pins; share physical I/O resources with digital functions |
Key Features
| Feature | Design Value |
|---|---|
| Internal Clock Source (ICS) | FLL-based clock generation with ±1.5% deviation over -40°C to +125°C; eliminates need for external crystal in cost-sensitive designs |
| Stop3 Low-Power Mode | 1.2 µA typical current draw with RTC running; enables battery-backed real-time wake-up without external timing components |
| On-Chip Security | Flash and RAM protection via nonvolatile options register (NVOPT); prevents firmware extraction during field service or reverse engineering |
| Single-Wire BDM Interface | Minimal footprint debug interface requiring only BKGD/MS pin; supports flash programming, breakpoint setting, and live register inspection |
| Integrated Analog Peripherals | 10-bit ADC with internal temperature sensor and bandgap reference; dual analog comparators (ACMP) with edge-triggered interrupts and routing to TPM |
Applications
| Automotive Body Control Module | Industrial Sensor Node |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in 12 V vehicle systems. IC Role / Device Role / Timing Role: Main system controller executing LIN slave protocol, managing GPIO-driven actuators, and monitoring switch inputs with debounced interrupts. Use Value: AEC-Q100 Grade 2 qualification ensures reliability under automotive thermal cycling; stop3 mode extends battery life during vehicle sleep states. | Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and motion data in factory settings. IC Role / Device Role / Timing Role: Data acquisition hub interfacing with analog sensors via ADC and ACMP, logging events to internal Flash, and transmitting via SCI to gateway. Use Value: Integrated 1 kHz RTC enables precise time-stamped sampling intervals; 1.2 µA stop3 current allows multi-year operation on coin-cell batteries. |
| Smart Appliance Control Unit | Medical Diagnostic Handheld |
Use Scenario: User interface and motor control subsystem in washing machines, dishwashers, and HVAC fan controllers. IC Role / Device Role / Timing Role: PWM generator for brushless DC motor drives using TPM outputs; SCI handles front-panel display communication. Use Value: Edge-aligned and center-aligned PWM modes simplify motor commutation; ganged GPIO writes reduce firmware overhead for multi-segment LED indicators. | Use Scenario: Portable blood glucose meter or pulse oximeter requiring accurate analog measurement and low-power standby. IC Role / Device Role / Timing Role: Precision analog front-end controller acquiring sensor signals via 10-bit ADC with internal reference, managing user button inputs, and driving OLED display via SPI. Use Value: On-chip bandgap reference and temperature sensor enable self-calibration; low-voltage detection (LVD/LVW) prevents data corruption during battery depletion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S08SG48E1WTLR | 48 KB Flash, same package and peripheral set; higher memory capacity with identical pinout and electrical specs | Required when firmware exceeds 32 KB or future scalability is needed without PCB redesign | Select if code growth headroom is critical and cost premium for extra Flash is acceptable |
| S9KEAZ128AMLH | Kinetis E-series ARM Cortex-M0+ core; 128 KB Flash, 16 KB RAM, enhanced ADC (12-bit, 1.2 Msps), and USB interface | Needed for higher computational throughput, USB device connectivity, or migration path beyond 8-bit architecture | Choose when moving to 32-bit performance, USB host/device capability, or longer product lifecycle support is prioritized |
Compared with S9S08SG32E1WTLR, MC9S08SG48E1WTLR offers direct memory scalability within the same footprint and toolchain, while S9KEAZ128AMLH provides architectural upgrade to ARM Cortex-M0+, significantly higher processing bandwidth, and modern peripheral integration - both require evaluation against legacy software investment and BOM cost targets.
Availability
S9S08SG32E1WTLR is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, smart appliance control units, and portable medical diagnostics requiring stable component supply and long-term manufacturability.
Supply support for S9S08SG32E1WTLR 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 S9S08SG32E1WTLR belongs to the HCS08 microcontroller family designed specifically for cost-sensitive, low-power embedded control in harsh environments - emphasizing robustness, debuggability, and AEC-Q100 compliance for automotive body electronics.
FAQ
What is the maximum bus frequency supported by the S9S08SG32E1WTLR?
The S9S08SG32E1WTLR supports a maximum bus frequency of 40 MHz under standard operating conditions (-40°C to +125°C). At temperatures above 125°C, the maximum bus frequency is reduced to 36 MHz to maintain timing integrity and reliability. This specification is guaranteed across voltage and temperature ranges defined in the official datasheet revision 8 and addenda.
Does the S9S08SG32E1WTLR include hardware security features?
Yes, the S9S08SG32E1WTLR includes on-chip security circuitry that prevents unauthorized access to Flash and RAM contents. Protection is configured via the nonvolatile options register (NVOPT) and FLASH protection register (FPROT/NVPROT), allowing selective locking of memory blocks. These features are documented in Chapter 4.6 "Security" and Appendix A of the MC9S08SG32 datasheet Rev. 8.
Can the S9S08SG32E1WTLR operate in ultra-low-power modes with real-time wake-up capability?
Yes, the S9S08SG32E1WTLR supports stop3 mode with typical current consumption of 1.2 µA while maintaining operation of the 8-bit real-time counter (RTC) using its internal 1 kHz oscillator. This enables precise time-based wake-up without external components, making it suitable for battery-powered applications requiring years of standby operation.
Is the S9S08SG32E1WTLR qualified for automotive applications?
Yes, the S9S08SG32E1WTLR is qualified per AEC-Q100 Grade 2 standards, supporting operation from -40°C to +125°C ambient temperature. Documentation confirms this qualification in the "Electrical Characteristics" chapter (Appendix A) and ordering information section (Appendix B) of the MC9S08SG32 Rev. 8 datasheet, with high-temperature specifications validated up to 150°C for selected variants.
What debug interface does the S9S08SG32E1WTLR provide?
The S9S08SG32E1WTLR provides a single-wire background debug mode (BDM) interface via the BKGD/MS pin. This interface supports flash programming, real-time register inspection, breakpoint setting (one hardware breakpoint plus two in the on-chip debug module), and in-circuit emulation using the on-chip ICE module with 9 trigger modes and eight-deep FIFO.
S9S08SG32E1WTLR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 28-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:
- 22
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 150°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S08SG32E1WTLR FAQ
1.How can I place an order for S9S08SG32E1WTLR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S08SG32E1WTLR 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 S9S08SG32E1WTLR reliable?
The price and inventory of S9S08SG32E1WTLR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S08SG32E1WTLR is usually 5 days.
3.What payment methods are accepted for S9S08SG32E1WTLR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S08SG32E1WTLR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S08SG32E1WTLR?
S9S08SG32E1WTLR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S08SG32E1WTLR 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 S9S08SG32E1WTLR?
For technical support, including S9S08SG32E1WTLR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S08SG32E1WTLR requirements.
6.How does Aetrix verify that S9S08SG32E1WTLR is sourced from the original manufacturer or authorized distributors?
All S9S08SG32E1WTLR 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 S9S08SG32E1WTLR meets industry standards.
7.What is the process for return or replacement of S9S08SG32E1WTLR?
All S9S08SG32E1WTLR units undergo pre-shipment inspection (PSI). If there is an issue with S9S08SG32E1WTLR, 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 S9S08SG32E1WTLR part is unused and in its original packaging.
Return procedure for S9S08SG32E1WTLR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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