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NXP Semiconductors S9S08RNA32W1VLC
- Part No.:
- S9S08RNA32W1VLC
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
S9S08RNA32W1VLC.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,100
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Product details
Overview
S9S08RNA32W1VLC from NXP Semiconductors (formerly Freescale) is an 8-bit S08 core microcontroller designed for automotive and industrial embedded control. It integrates 32 KB flash, 256-byte EEPROM with ECC, 4 KB RAM, and operates at up to 20 MHz bus frequency across –40 °C to 125 °C. Key peripherals include 12-bit ADC (16-channel), three FTM modules, three SCI/UARTs, I²C, SPI, TSI, and analog comparator - deployed in engine control units, body electronics, and motor drive interfaces.
For engineers reviewing the S9S08RNA32W1VLC datasheet, S9S08RNA32W1VLC pinout, S9S08RNA32W1VLC application, or S9S08RNA32W1VLC equivalent, this page delivers verified technical context, package mapping, real-world use scenarios, and validated alternative options - all grounded in the official S9S08RN60 Series Data Sheet Rev. 1 (01/2014) and NXP's part identification rules.
Technical Context
The S9S08RNA32W1VLC implements the S08 CPU core with nested interrupt support (up to four levels) and 40 interrupt/reset sources. Its clock system combines an external crystal oscillator (XOSC) and internal clock source (ICS) with FLL-based frequency synthesis, enabling stable 20 MHz operation across full automotive temperature range with ±2.0% DCO output deviation.
System-level protection includes independent watchdog timer, programmable low-voltage detection (LVD) with four warning thresholds per range, illegal opcode/address reset, and flash/RAM access protection. Debug is supported via single-wire background debug interface with three breakpoints and on-chip ICE module featuring two comparators and nine trigger modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | 8-bit S08 CPU, up to 20 MHz bus frequency at 2.7–5.5 V |
| Memory | 32 KB flash (read/program/erase over full voltage/temp), 256 B EEPROM with ECC, 4 KB RAM |
| ADC | 16-channel, 12-bit resolution, 2.5 µs conversion time, supports stop mode operation |
| Timers | Three FTM modules: one 6-channel + two 2-channel; 16-bit counter; PWM, input capture, output compare |
| Communication | Three SCI/UART (LIN-capable), one I²C (400 kbps), two SPI (8-bit & 16-bit), RTC, CRC module |
| Package | 32-pin LQFP (LC suffix), thermal resistance θJA = 86 °C/W (single-layer board) |
| Operating Temp | –40 °C to +125 °C ambient, junction limit –40 °C to +135 °C |
Pinout & Package
32-pin LQFP (package code LC), 7 × 7 mm body, 0.8 mm pitch, exposed pad optional. Pinout conforms to S9S08RNxx series assignment for 32-pin variant per Section 8.2 of S9S08RN60 Data Sheet Rev. 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD (digital/analog supply), VSS (common ground); VDDA internally tied to VDD |
| PTA0–PTA7 | GPIO / peripheral multiplex | 8-bit port A; PTA2/PTA3 are true open-drain outputs; up to 55 total GPIOs available |
| PTB0–PTB7 | GPIO / peripheral multiplex | 8-bit port B; PTB4/PTB5 support ultra-high current sink (20 mA) |
| RESET | Active-low reset input | Asynchronous reset with internal pullup; minimum pulse width 1.5 × tSelf_reset |
| EXTAL/XTAL | External oscillator inputs | Crystal/resonator connection for XOSC; supports 32 kHz–20 MHz range |
| TPA0/TPA1 | Background debug interface | Single-wire BKGD/MS pin for in-circuit debugging and programming |
Key Features
| Feature | Design Value |
|---|---|
| Flash endurance | 100,000 program/erase cycles with data retention >20 years at 85 °C |
| EEPROM reliability | 256 B with ECC correction, 2-byte erase sectors, concurrent program/erase while executing from flash |
| Low-power operation | Stop3 mode draws only 3.8 µA (5 V) with 1 kHz LPO active; ADC/TSI/LVD adders quantified separately |
| Analog integration | 12-bit ADC with internal bandgap reference, watermark buffers, hardware trigger; ACMP with filtering and dual-edge interrupt |
| Touch sensing | TSI module supports up to 16 electrodes, software/hardware scan trigger, wake-from-Stop3 capability |
Applications
| Engine Control Unit (ECU) | Automotive Body Controller |
|---|---|
Use Scenario: Real-time monitoring of throttle position, coolant temperature, and crankshaft timing in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Primary MCU executing closed-loop fuel injection and spark timing algorithms with deterministic interrupt latency. Use Value: 20 MHz bus speed and 4-level nested interrupts ensure sub-10 µs response to critical sensor events under full load. | Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in modern vehicle platforms. IC Role / Device Role / Timing Role: System coordinator interfacing with LIN slave nodes and local analog sensors via integrated SCI and ADC. Use Value: Three LIN-capable SCI modules and 16-channel ADC enable direct sensor-to-bus connectivity without external signal conditioning. |
| Industrial Motor Drive | Smart HVAC Control |
Use Scenario: Closed-loop speed and current regulation for BLDC/PMSM motors in factory automation equipment. IC Role / Device Role / Timing Role: Real-time PWM generation and current feedback acquisition using FTM modules and ADC with hardware trigger synchronization. Use Value: Six-channel FTM with center-aligned PWM and 2.5 µs ADC conversion allow precise 20 kHz motor switching with minimal jitter. | Use Scenario: Multi-zone climate management in commercial buildings with temperature, humidity, and CO₂ sensing. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating analog (thermistors), capacitive (TSI touch panel), and digital (I²C sensors) inputs. Use Value: Integrated TSI supports 16-electrode touch interface with wake-from-Stop3, reducing system standby power by >90% vs. polling architecture. |
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 S08RN family, identical 32 KB flash and peripherals, 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 layout accommodates larger footprint and ambient temperature stays ≤105 °C |
| S9KEAZ32AMLH | Kinetis E-series ARM Cortex-M0+ core, 32 KB flash, 4 KB RAM, but different architecture, toolchain, and peripheral register map | Higher performance (48 MHz), enhanced analog (16-bit ADC), but requires firmware rewrite and new qualification effort | Choose for future-proofing or when migrating from 8-bit to 32-bit for scalability beyond S9S08RNA32W1VLC capabilities |
Compared with MC9S08RN32CPJ, S9S08RNA32W1VLC provides extended temperature operation and smaller 32-pin LQFP footprint; versus S9KEAZ32AMLH, it offers drop-in replacement within legacy S08 ecosystems but trades raw compute throughput for deterministic real-time latency and lower power in Stop3 mode.
Availability
S9S08RNA32W1VLC is available at Aetrix Electronics and suitable for automotive engine control, industrial motor drives, and smart HVAC systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for S9S08RNA32W1VLC 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 deep heritage in microcontrollers dating to the Motorola 68HC05 era.
The S08RN family - including S9S08RNA32W1VLC - was engineered specifically for cost-sensitive, high-reliability automotive body and powertrain control applications demanding extended temperature operation, robust EMC behavior, and long-term supply stability.
FAQ
What is the maximum operating frequency of the S9S08RNA32W1VLC?
The S9S08RNA32W1VLC supports a maximum bus frequency of 20 MHz across its full operating voltage range (2.7–5.5 V) and temperature range (–40 °C to +125 °C). This is achieved using the internal clock source (ICS) with FLL, or directly from an external crystal oscillator. The core executes instructions at half the bus frequency (10 MHz instruction rate), maintaining deterministic timing for real-time control loops in applications such as engine management and motor drive.
Does the S9S08RNA32W1VLC support in-circuit debugging?
Yes, the S9S08RNA32W1VLC includes a single-wire background debug interface (BKGD/MS) compliant with the S08 architecture. It supports three hardware breakpoints, on-chip in-circuit emulator (ICE) functionality with two comparators and nine trigger modes, and full memory access during debug sessions. This enables non-intrusive real-time tracing and breakpoint-based validation of control algorithms without requiring dedicated debug pins beyond the BKGD/MS signal.
What are the flash and EEPROM endurance specifications for the S9S08RNA32W1VLC?
The S9S08RNA32W1VLC guarantees 100,000 program/erase cycles for its 32 KB flash memory, with data retention exceeding 20 years at 85 °C. Its 256-byte EEPROM features error-correcting code (ECC) and supports 2-byte erase sectors, enabling reliable nonvolatile storage of calibration data and runtime parameters. EEPROM program and erase operations can occur concurrently with code execution from flash, allowing seamless field updates without halting application logic.
Can the S9S08RNA32W1VLC operate in low-power modes suitable for battery-powered automotive modules?
Yes, the S9S08RNA32W1VLC offers multiple low-power modes optimized for automotive battery operation. In Stop3 mode, it draws only 3.8 µA at 5 V (–40 °C to +125 °C) with the 1 kHz LPO clock active. Peripheral adders - such as ADC (44 µA), TSI (111 µA), and LVD (130 µA) - are quantified separately, enabling precise power budgeting. Wake-up sources include keyboard interrupts, TSI electrodes, and external pins, making it suitable for always-on modules like keyless entry receivers and tire pressure monitors.
Is the S9S08RNA32W1VLC pin-compatible with other devices in the S08RN family?
The S9S08RNA32W1VLC uses the 32-pin LQFP (LC) package and shares identical pin assignments with other 32-pin S08RN variants (e.g., S9S08RN32W1VLC). However, it is not pin-compatible with 48-pin (LF) or 64-pin (LH) variants due to differing pin counts and signal mappings. Within the 32-pin footprint, flash size (32 KB vs. 48/60 KB) and temperature grade (125 °C vs. 105 °C) are the primary differentiators - all share identical peripheral register sets and electrical characteristics per pin.
S9S08RNA32W1VLC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-LQFP
- Series:
- S08
- Packaging:
- Tray
- 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:
S9S08RNA32W1VLC FAQ
1.How can I place an order for S9S08RNA32W1VLC through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S08RNA32W1VLC 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 S9S08RNA32W1VLC reliable?
The price and inventory of S9S08RNA32W1VLC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S08RNA32W1VLC is usually 5 days.
3.What payment methods are accepted for S9S08RNA32W1VLC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S08RNA32W1VLC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S08RNA32W1VLC?
S9S08RNA32W1VLC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S08RNA32W1VLC 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 S9S08RNA32W1VLC?
For technical support, including S9S08RNA32W1VLC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S08RNA32W1VLC requirements.
6.How does Aetrix verify that S9S08RNA32W1VLC is sourced from the original manufacturer or authorized distributors?
All S9S08RNA32W1VLC 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 S9S08RNA32W1VLC meets industry standards.
7.What is the process for return or replacement of S9S08RNA32W1VLC?
All S9S08RNA32W1VLC units undergo pre-shipment inspection (PSI). If there is an issue with S9S08RNA32W1VLC, 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 S9S08RNA32W1VLC part is unused and in its original packaging.
Return procedure for S9S08RNA32W1VLC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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