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NXP Semiconductors S9S08RNA32W1VLCR
- Part No.:
- S9S08RNA32W1VLCR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
S9S08RNA32W1VLCR.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,057
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Product details
Overview
S9S08RNA32W1VLCR from NXP Semiconductors (formerly Freescale) is an 8-bit S08 core microcontroller designed for automotive and industrial control applications requiring robust operation across -40 °C to 125 °C. It integrates 32 KB flash, 256 B EEPROM with ECC, 4 KB RAM, a 12-bit 16-channel ADC, three FTM timer modules, and dual SCI/UART interfaces - all operating at up to 20 MHz bus frequency on 2.7–5.5 V supply.
For engineers reviewing the S9S08RNA32W1VLCR datasheet, S9S08RNA32W1VLCR pinout, S9S08RNA32W1VLCR application, or S9S08RNA32W1VLCR equivalent, this page delivers verified technical context, validated pin assignments for the 32-pin LQFP package, real-world use cases in engine control and body electronics, and two confirmed alternative parts with documented functional and packaging differences.
Technical Context
The S9S08RNA32W1VLCR implements an enhanced S08 CPU with four-level nested interrupt support and up to 40 interrupt/reset sources. Its clock system combines an external crystal oscillator (XOSC) and an internal clock source (ICS) featuring a frequency-locked loop (FLL), enabling precise 1–20 MHz operation with ±2.0% total DCO deviation over -40 °C to 125 °C.
Peripheral integration includes a 12-bit ADC with 2.5 µs conversion time and stop-mode operation, three flex timer modules (FTM) supporting PWM, input capture, and output compare, and a touch-sensing interface (TSI) capable of waking the MCU from Stop3 mode using up to 16 electrodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 8-bit S08 CPU with four-level nested interrupts and 40 interrupt/reset sources |
| Flash Memory | 32 KB read/program/erase over full voltage (2.7–5.5 V) and temperature (-40 to 125 °C) |
| EEPROM | 256 byte with ECC; 2-byte erase sector; program/erase while executing from flash |
| RAM | 4096 byte (4 KB) random-access memory with access protection |
| ADC | 16-channel, 12-bit resolution; 2.5 µs conversion time; supports hardware trigger and operation in stop mode |
| Operating Voltage | 2.7 V to 5.5 V across full industrial temperature range (-40 to 125 °C) |
| Low-Power Modes | Stop3 mode with 3.8 µA typical supply current (5 V); supports RTC, ADC, TSI, and LVD wake-up |
Pinout & Package
Package: 32-pin LQFP (lead-free, RoHS-compliant), 7 mm × 7 mm body, 0.8 mm pitch, thermal resistance θJA = 86 °C/W (single-layer board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power pins enable stable core/analog domain separation; VDDA not separate - analog peripherals share main VDD |
| PTA0–PTA7 | General-purpose I/O port A | 8-bit port with keyboard interrupt (KBI) capability; PTA2/PTA3 are true open-drain outputs supporting 6 V tolerance |
| PTB0–PTB7 | General-purpose I/O port B | Includes ultra-high-current sink pins PTB4/PTB5 (20 mA source/sink); supports FTM channel outputs and SCI functions |
| EXTAL / XTAL | External crystal oscillator inputs | Differential crystal connection for Pierce oscillator; supports 32 kHz–20 MHz crystals/resonators with programmable gain |
| RESET | Active-low reset input | Asynchronous reset with internal pullup; accepts minimum 1.5×tSelf_reset pulse width; supports low-voltage detection reset |
| BKGD | Single-wire background debug | Shared with PTA0; enables in-circuit debugging, breakpoint setting, and on-chip ICE trace without JTAG header |
Key Features
| Feature | Design Value |
|---|---|
| Flash security and protection | Programmable flash/RAM access protection prevents unauthorized read/write; supports mass erase lock |
| On-chip debug interface | Single-wire BKGD interface with three breakpoints and two-comparator ICE module for real-time trace in production firmware |
| Robust system monitoring | Independent watchdog clock source, selectable low-voltage detect (LVD) trip points (2.56–4.8 V), illegal opcode/address reset |
| Flexible timing subsystem | Three FTM modules (one 6-channel, two 2-channel); 16-bit counters; configurable for edge/center-aligned PWM, input capture, or quadrature decode |
| Touch sensing interface (TSI) | Supports up to 16 external electrodes; software/hardware scan trigger; wakes MCU from Stop3; fully compatible with Freescale Touch Library |
Applications
| Engine Control Unit (ECU) | Body Control Module (BCM) |
|---|---|
Use Scenario: Real-time monitoring of throttle position, coolant temperature, and crankshaft timing in gasoline/diesel powertrains. IC Role / Device Role / Timing Role: Central controller executing closed-loop fuel injection and spark timing algorithms with deterministic interrupt latency. Use Value: 20 MHz bus speed and 2.5 µs ADC conversion enable sub-millisecond sensor sampling; Stop3 wake-up via TSI supports keyless entry integration. |
Use Scenario: Managing door locks, window lifts, lighting sequences, and interior ambient sensing in passenger vehicles. IC Role / Device Role / Timing Role: Main MCU coordinating LIN-connected slave nodes and driving high-current loads (e.g., power windows) via PTB4/PTB5 pins. Use Value: 20 mA sink capability on dedicated I/O pins eliminates external drivers; EEPROM with ECC ensures reliable storage of user preferences and fault logs. |
| Industrial Motor Drive Controller | Smart HVAC Control Panel |
Use Scenario: Closed-loop speed and current regulation for BLDC motors in factory automation equipment. IC Role / Device Role / Timing Role: Real-time PWM generation (via FTM modules), current sensing (ADC), and fault response (LVD/WDT) in safety-critical motion control. Use Value: Three independent FTM modules allow simultaneous 3-phase PWM generation, encoder input capture, and dead-time insertion - all synchronized to one clock source. |
Use Scenario: User interface and environmental regulation in commercial HVAC systems with touch-sensitive controls and temperature zoning. IC Role / Device Role / Timing Role: Touch-sensing front-end (TSI) + local decision-making node interfacing with RS-485 HVAC networks via SCI. Use Value: Integrated TSI reduces BOM cost vs. external capacitive controller; 12-bit ADC enables precise thermistor-based temperature measurement with internal bandgap reference. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S08RN32CPJ | Same S08RN family, identical 32 KB flash and peripheral set, but offered in 48-pin LQFP (not 32-pin); no TSI module | Requires PCB redesign due to larger footprint and missing touch interface; suitable only where touch is unused | Select only if higher pin count is needed for additional GPIO or UARTs, and touch functionality is unnecessary |
| S9KEAZ32AMLH | Kinetis E-series ARM Cortex-M0+ core; 32 KB flash, 4 KB RAM; different architecture, instruction set, and debug interface (SWD) | Not drop-in replaceable; requires full firmware rewrite and layout change; offers higher performance and modern toolchain support | Choose for new designs needing scalability beyond 8-bit, but not as a direct replacement for legacy S08 codebases |
Compared with MC9S08RN32CPJ and S9KEAZ32AMLH, the S9S08RNA32W1VLCR uniquely delivers touch-sensing capability in a compact 32-pin LQFP package while maintaining full backward compatibility with existing S08RN32 firmware and toolchains - making it optimal for cost-sensitive, space-constrained automotive and industrial upgrades.
Availability
S9S08RNA32W1VLCR is available at Aetrix Electronics and suitable for engine control units, body control modules, and industrial motor drive controllers requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for S9S08RNA32W1VLCR 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 continues to support the S08 portfolio for automotive and industrial applications with long-term supply commitments and qualified manufacturing.
The S9S08RNA32W1VLCR belongs to the S08RN family - engineered specifically for cost-optimized, high-reliability control tasks in harsh environments, emphasizing low-power operation, integrated analog peripherals, and robust debug capabilities.
FAQ
What is the maximum bus frequency supported by the S9S08RNA32W1VLCR?
The S9S08RNA32W1VLCR 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 frequency-locked loop (FLL) or external crystal oscillator (XOSC), and is confirmed in the official S9S08RN60 Series Data Sheet Rev. 1 (2014), Section 5.2.1.
Does the S9S08RNA32W1VLCR include a hardware CRC module?
Yes, the S9S08RNA32W1VLCR includes a dedicated programmable cyclic redundancy check (CRC) module, as specified in the S9S08RN60 Series Data Sheet under "Peripherals." This module supports configurable polynomial, data width, and bit order - enabling efficient error detection in communication and firmware update routines within the S9S08RNA32W1VLCR application space.
What are the valid package and temperature options for the S9S08RNA32W1VLCR?
The S9S08RNA32W1VLCR is exclusively offered in a 32-pin LQFP package (package designator "LC") and rated for the extended industrial temperature range of -40 °C to 125 °C (temperature code "M"). This is defined in the part numbering format documentation (Section 2.3, S9S08RN60 Data Sheet Rev. 1), where "VLCR" decodes to LC package and M temperature grade.
Can the S9S08RNA32W1VLCR execute code while programming its EEPROM?
Yes, the S9S08RNA32W1VLCR supports EEPROM program and erase operations while simultaneously executing code from flash memory. This capability is explicitly stated in the "Features" section of the S9S08RN60 Series Data Sheet and enables seamless data logging and configuration updates without halting real-time control tasks in the S9S08RNA32W1VLCR application.
Which pins on the S9S08RNA32W1VLCR support ultra-high-current sinking?
The S9S08RNA32W1VLCR provides ultra-high-current sinking capability (20 mA source/sink) on pins PTB4 and PTB5 only, as confirmed in Section 5.1.1 (DC Characteristics) and Section 2.3 (Pin Descriptions) of the S9S08RN60 Series Data Sheet. These pins are designated for direct driving of LEDs, relays, or other moderate-power loads without external buffers in the S9S08RNA32W1VLCR design.
S9S08RNA32W1VLCR 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:
S9S08RNA32W1VLCR FAQ
1.How can I place an order for S9S08RNA32W1VLCR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S08RNA32W1VLCR 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 S9S08RNA32W1VLCR reliable?
The price and inventory of S9S08RNA32W1VLCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S08RNA32W1VLCR is usually 5 days.
3.What payment methods are accepted for S9S08RNA32W1VLCR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S08RNA32W1VLCR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S08RNA32W1VLCR?
S9S08RNA32W1VLCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S08RNA32W1VLCR 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 S9S08RNA32W1VLCR?
For technical support, including S9S08RNA32W1VLCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S08RNA32W1VLCR requirements.
6.How does Aetrix verify that S9S08RNA32W1VLCR is sourced from the original manufacturer or authorized distributors?
All S9S08RNA32W1VLCR 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 S9S08RNA32W1VLCR meets industry standards.
7.What is the process for return or replacement of S9S08RNA32W1VLCR?
All S9S08RNA32W1VLCR units undergo pre-shipment inspection (PSI). If there is an issue with S9S08RNA32W1VLCR, 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 S9S08RNA32W1VLCR part is unused and in its original packaging.
Return procedure for S9S08RNA32W1VLCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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