My Inquiry
My Account
NXP Semiconductors S9S08RN32W1VLCR
- Part No.:
- S9S08RN32W1VLCR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
S9S08RN32W1VLCR.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:6,000
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
S9S08RN32W1VLCR from NXP Semiconductors (formerly Freescale) is an automotive-grade 8-bit S08 microcontroller with 32 KB flash, 4 KB RAM, and 256-byte EEPROM with ECC, operating at up to 20 MHz bus frequency across –40 °C to 125 °C. It integrates ADC (12-bit, 16-channel), three FTM timer modules, three SCI/UART interfaces, I²C, SPI, RTC, TSI touch sensing, and on-chip debug via single-wire BDM - deployed in engine control units, body electronics, and industrial sensor nodes.
For engineers reviewing the S9S08RN32W1VLCR datasheet, S9S08RN32W1VLCR pinout, S9S08RN32W1VLCR application, or S9S08RN32W1VLCR equivalent, this page delivers verified technical context, validated package mapping (32-pin LQFP), confirmed peripheral timing specs, and real-world selection guidance for automotive-qualified MCU replacement and migration.
Technical Context
The S9S08RN32W1VLCR implements the S08 CPU core with four-level nested interrupt support and up to 40 interrupt/reset sources. Its clock system combines a Pierce oscillator (XOSC) for crystal/resonator operation and an internal clock source (ICS) with frequency-locked-loop (FLL), enabling precise 39.0625 kHz internal reference and trimmed DCO output from 16–20 MHz.
System protection includes independent watchdog with dedicated clock, low-voltage detection with configurable trip points (2.56–4.8 V ranges), illegal opcode/address detection, and flash/RAM access protection. Power management supports Stop3 mode with 3.8 µA typical current and peripheral wake-up capability via TSI, ADC, or LVD.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | 8-bit S08 CPU with four-level nested interrupt handling and up to 40 interrupt/reset sources |
| Flash / EEPROM / RAM | 32 KB flash (read/program/erase over full voltage/temperature), 256-byte EEPROM with ECC and 2-byte erase sector, 4 KB RAM |
| Operating Range | 2.7–5.5 V supply; –40 °C to +125 °C ambient temperature |
| Bus Frequency | Up to 20 MHz at 5 V; supports FEI/FBE/FBELP clock modes with FLL-based frequency synthesis |
| ADC | 12-bit resolution, 16-channel input, 2.5 µs conversion time, internal bandgap reference, stop-mode operation |
| Timers & Comm | Three FTM modules (one 6-channel, two 2-channel), three SCI/UART, one I²C (400 kbps), two SPI (8-/16-bit), RTC, TSI (16-electrode) |
| Debug & Protection | Single-wire BDM interface, on-chip ICE with two comparators/nine trigger modes, watchdog with independent clock, LVD with interrupt/reset |
Pinout & Package
32-pin LQFP (package code LC), 7 × 7 mm body, 0.8 mm pitch, exposed pad optional. Pin assignments conform to S9S08RN32-specific signal multiplexing per Rev. 1 (Jan 2014) datasheet Section 8.2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD (digital/analog core), VSS (common return); decoupling required per datasheet layout guidelines |
| PTA0–PTA7 | General-purpose I/O with KBI | Eight GPIOs supporting keyboard interrupt (KBI) with configurable edge sensitivity; PTA2/PTA3 are true open-drain outputs |
| PTB0–PTB7 | General-purpose I/O with high-drive capability | Eight GPIOs; PTB4/PTB5 support ultra-high current sink (20 mA), suitable for direct LED/relay drive without external buffers |
| EXTAL / XTAL | External oscillator connection | Differential crystal/resonator inputs for XOSC; supports 32 kHz–20 MHz range depending on RANGE/HGO configuration |
| RESET | Active-low reset input | Asynchronous reset with internal pullup; minimum pulse width 1.5 × tSelf_reset; supports external reset assertion and POR |
| BKGD | Background debug interface | Single-wire bidirectional debug channel; enables in-circuit programming, breakpoint setting, and memory inspection via BDM |
Key Features
| Feature | Design Value |
|---|---|
| Flash endurance & security | 100,000 program/erase cycles; flash protection via security byte prevents unauthorized read/write access |
| EEPROM with ECC | 256-byte EEPROM with error-correcting code (ECC) and 2-byte erase granularity - enables robust nonvolatile parameter storage |
| Low-power Stop3 mode | 3.8 µA typical supply current at 5 V with 1 kHz LPO active; supports wake-up via TSI, ADC, LVD, or RTC interrupt |
| Touch Sensing Interface (TSI) | Supports up to 16 external electrodes; hardware-accelerated scanning; wakes MCU from Stop3; fully compatible with Freescale touch library |
| ADC with buffer & compare | 16-channel, 12-bit ADC with data buffers, watermark interrupt, automatic compare function, and internal bandgap reference channel |
Applications
| Engine Control Unit (ECU) | Automotive Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of throttle position, coolant temperature, and oxygen sensor signals in gasoline engine management systems. IC Role / Device Role / Timing Role: Primary MCU executing closed-loop fuel injection and spark timing algorithms with deterministic 20 MHz bus timing and sub-µs ADC sampling. Use Value: Integrated 12-bit ADC with internal bandgap reference and stop-mode operation enables accurate sensor acquisition without external precision references or wake-up latency penalties. |
Use Scenario: Centralized control of door locks, window lifts, interior lighting, and mirror adjustment in passenger vehicles. IC Role / Device Role / Timing Role: System controller managing multiple LIN/SCI peripherals, GPIO-driven actuators, and capacitive touch inputs via TSI module. Use Value: On-chip TSI with 16-electrode support and Stop3 wake-up capability eliminates external touch controllers and reduces BOM cost while maintaining ASIL-B compatible diagnostics. |
| Industrial Sensor Node | Motor Drive Interface |
Use Scenario: Battery-powered environmental sensor hub collecting temperature, humidity, and vibration data for predictive maintenance in factory automation. IC Role / Device Role / Timing Role: Low-power host MCU performing sensor fusion, local decision logic, and UART-to-LoRaWAN gateway bridging. Use Value: 3.8 µA Stop3 current and programmable LVD thresholds enable multi-year battery life with reliable brownout recovery across wide temperature ranges. |
Use Scenario: Closed-loop speed and current control for BLDC motors in HVAC blowers and power tools. IC Role / Device Role / Timing Role: Motion controller generating complementary PWM outputs via FTM modules with dead-time insertion and fault protection. Use Value: Three FTM modules (including one 6-channel unit) provide sufficient PWM channels and capture inputs for six-step commutation, hall sensor decoding, and overcurrent detection without external timers. |
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 |
|---|---|---|---|
| MC9S08RN32CPJ | Same S08RN32 core, identical 32 KB flash/RAM/EEPROM, but 48-pin LQFP (LF) package and –40 °C to 105 °C temp grade | Limited to under-hood applications with lower thermal stress; lacks extended 125 °C qualification | Select when board space allows larger package and ambient temperature stays ≤105 °C - retains full software compatibility |
| S9S08RN48W1VLCR | Same 32-pin LQFP package and –40 °C to 125 °C rating, but with 48 KB flash, 4 KB RAM, and identical peripheral set | Enables larger firmware images and additional data logging buffers without changing PCB layout or thermal design | Choose for future-proofing or when firmware size exceeds 32 KB - drop-in replacement with no hardware modifications |
Compared with MC9S08RN32CPJ, S9S08RN32W1VLCR provides extended temperature operation critical for under-hood deployment; compared with S9S08RN48W1VLCR, it offers optimal cost/performance balance where 32 KB flash suffices - both alternatives retain identical peripheral timing, debug interface, and register-level compatibility.
Availability
S9S08RN32W1VLCR is available at Aetrix Electronics and suitable for automotive engine control, body electronics, and industrial sensor node applications requiring stable component supply, long-term lifecycle support, and AEC-Q100 qualified parts traceability.
Supply support for S9S08RN32W1VLCR 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 acquired Freescale in 2015 and maintains full support for the S08 portfolio, delivering high-reliability microcontrollers for automotive, industrial, and consumer applications with ISO/TS 16949-certified manufacturing.
The S9S08RN32W1VLCR belongs to the S08RN family - designed specifically for cost-sensitive, thermally demanding automotive body and powertrain applications requiring robust analog integration, low-power operation, and AEC-Q100 Grade 1 qualification.
FAQ
What is the maximum bus frequency supported by the S9S08RN32W1VLCR?
The S9S08RN32W1VLCR supports a maximum bus frequency of 20 MHz across its full operating voltage (2.7–5.5 V) and temperature (–40 °C to 125 °C) range. This is achieved using the internal clock source (ICS) with frequency-locked-loop (FLL) configured in FEE or FBE mode, with the DCO output trimmed to 16–20 MHz and total deviation held within ±2.0% over the full grade.
Does the S9S08RN32W1VLCR support in-circuit debugging, and what interface is used?
Yes, the S9S08RN32W1VLCR supports in-circuit debugging via a single-wire background debug mode (BDM) interface using the BKGD pin. It includes breakpoint capability (three configurable breakpoints), on-chip in-circuit emulator (ICE) with two comparators and nine trigger modes, and full memory/register visibility - all accessible without halting real-time peripheral operation.
What are the key low-power features of the S9S08RN32W1VLCR for battery-operated designs?
The S9S08RN32W1VLCR offers Stop3 mode with 3.8 µA typical supply current at 5 V and –40 °C to 125 °C, enabled by gating unused peripheral clocks and retaining only the 1 kHz LPO oscillator. Wake-up is supported via TSI, ADC, LVD, RTC, or external interrupt - allowing rapid resumption (<10 µs) without full reinitialization, critical for energy-constrained sensor nodes.
How does the EEPROM in the S9S08RN32W1VLCR differ from standard implementations?
The S9S08RN32W1VLCR includes 256 bytes of EEPROM with built-in error-correcting code (ECC) and 2-byte erase sectors. Unlike conventional EEPROM, it supports concurrent program/erase operations while executing code from flash memory, enabling real-time parameter updates without interrupting application execution - essential for automotive calibration and diagnostic data logging.
Is the S9S08RN32W1VLCR qualified for automotive use, and what standards does it meet?
Yes, the S9S08RN32W1VLCR is AEC-Q100 Grade 1 qualified (–40 °C to +125 °C), manufactured in ISO/TS 16949-certified facilities, and designed for automotive body electronics and powertrain applications. It meets stringent requirements for ESD (±6 kV HBM), latch-up immunity (±100 mA), and thermal reliability - with validated performance across full voltage, temperature, and lifetime stress conditions.
S9S08RN32W1VLCR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-LQFP
- Series:
- S08
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- S08
- Core Size:
- 8-Bit
- Speed:
- 20MHz
- Connectivity:
- I2C, LINbus, SPI, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 26
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 256 x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S08RN32W1VLCR FAQ
1.How can I place an order for S9S08RN32W1VLCR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S08RN32W1VLCR 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 S9S08RN32W1VLCR reliable?
The price and inventory of S9S08RN32W1VLCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S08RN32W1VLCR is usually 5 days.
3.What payment methods are accepted for S9S08RN32W1VLCR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S08RN32W1VLCR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S08RN32W1VLCR?
S9S08RN32W1VLCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S08RN32W1VLCR 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 S9S08RN32W1VLCR?
For technical support, including S9S08RN32W1VLCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S08RN32W1VLCR requirements.
6.How does Aetrix verify that S9S08RN32W1VLCR is sourced from the original manufacturer or authorized distributors?
All S9S08RN32W1VLCR 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 S9S08RN32W1VLCR meets industry standards.
7.What is the process for return or replacement of S9S08RN32W1VLCR?
All S9S08RN32W1VLCR units undergo pre-shipment inspection (PSI). If there is an issue with S9S08RN32W1VLCR, 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 S9S08RN32W1VLCR part is unused and in its original packaging.
Return procedure for S9S08RN32W1VLCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S9S08RN32W1VLCR Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
