My Inquiry
My Account
NXP Semiconductors S9S08RN32W1VLFR
- Part No.:
- S9S08RN32W1VLFR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S9S08RN32W1VLFR.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,834
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
S9S08RN32W1VLFR 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), FTM (three timer modules), SCI (three UARTs), SPI (two interfaces), I²C, RTC, TSI, and ACMP - deployed in engine control units, body electronics, and industrial sensor nodes.
For engineers reviewing the S9S08RN32W1VLFR datasheet, S9S08RN32W1VLFR pinout, S9S08RN32W1VLFR application, or S9S08RN32W1VLFR equivalent, this page delivers verified specifications, validated package mapping (32-pin LQFP), confirmed peripheral timing behavior, real-world use-case context, and two technically documented alternative parts for functional migration paths.
Technical Context
The S9S08RN32W1VLFR implements the S08 CPU core with four-level nested interrupt support and up to 40 interrupt/reset sources. Its clock system combines an external crystal oscillator (XOSC) and internal clock source (ICS) with FLL, enabling precise 20 MHz operation with ±2.0% DCO deviation over –40 °C to 125 °C.
Memory architecture includes 32 KB on-chip flash (read/program/erase over full voltage/temperature), 256-byte EEPROM with error-correcting code and 2-byte erase sectors, and 4096-byte RAM. System protection features include independent watchdog, low-voltage detection with configurable trip points, illegal opcode/address reset, and flash/RAM access protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | 8-bit S08 CPU with four-level nested interrupts and up to 40 interrupt/reset sources |
| Flash / EEPROM / RAM | 32 KB flash (full-voltage/temperature program/erase), 256-byte EEPROM with ECC and 2-byte erase, 4096-byte RAM |
| Bus Frequency | Up to 20 MHz at 2.7–5.5 V across –40 °C to 125 °C ambient |
| ADC | 16-channel, 12-bit resolution, 2.5 µs conversion time, internal bandgap reference, stop-mode operation |
| Timers & Interfaces | Three FTM modules (one 6-channel + two 2-channel), three SCI (UART/LIN-capable), one I²C (400 kbps), two SPI (8-/16-bit), RTC, TSI (16-electrode) |
| Power Modes | Low-power stop mode, reduced-power wait mode; peripheral clocks individually disableable; Stop3 current = 3.8 µA @ 5 V |
| Package | 32-pin LQFP (LC package designator), θJA = 86 °C/W (single-layer board) |
Pinout & Package
32-pin LQFP (package designator LC), 7 × 7 mm body, 0.8 mm pitch, exposed pad optional. Pin assignments conform to S9S08RN32-specific signal multiplexing defined in Rev. 1 (01/2014) datasheet Section 8.2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply / Ground | Dual-supply pins supporting 2.7–5.5 V operation; VDDA decoupling required for analog accuracy |
| PTA0–PTA7 | GPIO / Peripheral multiplex | 8-bit port A with KBI, open-drain capability on PTA2/PTA3, ultra-high-current sink on PTB4/PTB5 |
| PTB0–PTB7 | GPIO / Peripheral multiplex | 8-bit port B with TSI electrode support, FTM channel inputs/outputs, SCI0/SCI1 signals |
| EXTAL / XTAL | Crystal oscillator input/output | Connects to 32 kHz–20 MHz crystal or ceramic resonator; supports low- and high-frequency modes |
| RESET | Active-low reset input | Minimum 1.5 × tSelf_reset pulse width recognized; internal pullup enabled by default |
| BKGD | Single-wire background debug | Enables in-circuit debugging via BDM interface; supports three breakpoints and ICE module triggers |
Key Features
| Feature | Design Value |
|---|---|
| Flash endurance & security | 100,000 program/erase cycles; flash access protection prevents unauthorized read/write |
| EEPROM reliability | 256-byte EEPROM with ECC correction and 2-byte erase granularity enables robust parameter storage |
| Low-power operation | Stop3 mode draws only 3.8 µA @ 5 V; ADC and TSI retain wake-from-stop capability with sub-µA adders |
| Analog integration | 12-bit ADC with hardware trigger, watermark buffers, and automatic compare reduces CPU load in sensor polling |
| Touch sensing | TSI supports up to 16 electrodes with software/hardware scan trigger and stop3 wake-up - certified for Freescale touch library |
Applications
| Engine Control Unit (ECU) | Automotive Body Controller |
|---|---|
Use Scenario: Real-time monitoring of throttle position, coolant temperature, and crankshaft timing 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 hardware-triggered ADC sampling. Use Value: Integrated FTM modules generate precise PWM for injector drivers; LIN-capable SCI interfaces with vehicle CAN gateway; EEPROM stores trim parameters with ECC resilience. |
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in mid-tier passenger vehicles. IC Role / Device Role / Timing Role: System controller managing multi-sensor inputs (keypad, Hall effect, ambient light), actuator outputs (relays, MOSFET drivers), and LIN communication to slave nodes. Use Value: TSI enables capacitive touch buttons without external ICs; KBI handles mechanical keyscan; ultra-high-current GPIOs directly drive 20 mA LED indicators. |
| Industrial Sensor Node | Motor Drive Interface |
Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and vibration data in factory automation settings. IC Role / Device Role / Timing Role: Low-power host MCU acquiring analog sensor data via ADC, processing with on-chip CRC, and transmitting via SCI to gateway. Use Value: Stop3 mode extends battery life with 3.8 µA quiescent current; ADC operates during stop; internal bandgap reference ensures measurement stability across temperature. |
Use Scenario: Closed-loop speed and current regulation for BLDC motors in HVAC blowers and pump controllers. IC Role / Device Role / Timing Role: Motion controller generating complementary PWM waveforms using FTM edge-aligned channels with dead-time insertion. Use Value: Three FTM modules provide six independent PWM outputs; ACMP compares motor phase currents for overcurrent shutdown; SCI reports fault status to master PLC. |
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 |
|---|---|---|---|
| S9S08RN48W1VLFR | 48 KB flash, same 32-pin LQFP package, identical peripherals and timing specs | Supports larger firmware images and more complex control algorithms without layout change | Select when firmware size exceeds 32 KB or future scalability is required |
| MC9S08AC60CLC | 60 KB flash, 48-pin LQFP, lacks TSI and LIN support; older S08AC core with lower ESD rating (±4 kV HBM) | Legacy replacement for cost-sensitive non-touch applications where pin count allows rework | Choose only if existing 48-pin footprint is fixed and touch/LIN features are unused |
Compared with S9S08RN32W1VLFR, the S9S08RN48W1VLFR offers direct firmware scalability within identical packaging and pinout, while the MC9S08AC60CLC requires PCB revision and sacrifices modern interface capabilities - making the RN48 the preferred upgrade path for most automotive designs.
Availability
S9S08RN32W1VLFR is available at Aetrix Electronics and suitable for engine control units, automotive body controllers, and industrial sensor nodes requiring stable component supply under AEC-Q100 Grade 1 qualification (–40 °C to 125 °C).
Supply support for S9S08RN32W1VLFR 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 technical and supply-chain continuity for the S08 portfolio, delivering automotive-qualified microcontrollers with long-term industrial support.
The S9S08RN32W1VLFR belongs to the S08RN family - engineered specifically for cost-sensitive, thermally demanding automotive body and powertrain applications requiring robust analog integration, low-power operation, and AEC-Q100 compliance.
FAQ
What is the maximum bus frequency and operating voltage range for the S9S08RN32W1VLFR?
The S9S08RN32W1VLFR supports a maximum bus frequency of 20 MHz across its full operating voltage range of 2.7 V to 5.5 V and temperature range of –40 °C to 125 °C. This specification is guaranteed per the Rev. 1 (01/2014) datasheet Section 4.4 and Table 5, with no derating required at temperature extremes.
Does the S9S08RN32W1VLFR support in-circuit debugging, and what interface is used?
Yes, the S9S08RN32W1VLFR supports single-wire background debug (BDM) via the BKGD pin, enabling full in-circuit emulation with three hardware breakpoints and ICE module trigger modes. This capability is documented in Section 5.2.2 and Figure 11 of the official datasheet for the S9S08RN60 series, which applies identically to the S9S08RN32W1VLFR variant.
What are the flash and EEPROM endurance specifications for the S9S08RN32W1VLFR?
The S9S08RN32W1VLFR provides 100,000 program/erase cycles for its 32 KB flash memory and 100,000 erase cycles for its 256-byte EEPROM - both rated over full voltage (2.7–5.5 V) and temperature (–40 °C to 125 °C) ranges. EEPROM also features ECC and 2-byte erase sectors, as specified in Section 6.2 of the S9S08RN60 datasheet.
Is the S9S08RN32W1VLFR qualified for automotive applications, and what grade does it meet?
Yes, the S9S08RN32W1VLFR is AEC-Q100 qualified for automotive use and meets Grade 1 requirements (–40 °C to 125 °C ambient operating temperature). This qualification is confirmed by its temperature rating, packaging (32-pin LQFP), and inclusion in Freescale's automotive-grade S08RN product line, as stated in Section 2.3 (Fields) and Table 8 of the datasheet.
What low-power modes does the S9S08RN32W1VLFR support, and what is the lowest current draw?
The S9S08RN32W1VLFR supports multiple low-power modes including Wait and Stop3. In Stop3 mode with no clocks active except the 1 kHz LPO, it draws just 3.8 µA at 5 V and –40 °C to 125 °C - verified in Table 4, item #6 of the datasheet. ADC, TSI, and LVD can be selectively enabled as adders with documented µA-level current penalties.
S9S08RN32W1VLFR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-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:
- 39
- 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:
S9S08RN32W1VLFR FAQ
1.How can I place an order for S9S08RN32W1VLFR through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S08RN32W1VLFR 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 S9S08RN32W1VLFR reliable?
The price and inventory of S9S08RN32W1VLFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S08RN32W1VLFR is usually 5 days.
3.What payment methods are accepted for S9S08RN32W1VLFR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S08RN32W1VLFR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S08RN32W1VLFR?
S9S08RN32W1VLFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S08RN32W1VLFR 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 S9S08RN32W1VLFR?
For technical support, including S9S08RN32W1VLFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S08RN32W1VLFR requirements.
6.How does Aetrix verify that S9S08RN32W1VLFR is sourced from the original manufacturer or authorized distributors?
All S9S08RN32W1VLFR 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 S9S08RN32W1VLFR meets industry standards.
7.What is the process for return or replacement of S9S08RN32W1VLFR?
All S9S08RN32W1VLFR units undergo pre-shipment inspection (PSI). If there is an issue with S9S08RN32W1VLFR, 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 S9S08RN32W1VLFR part is unused and in its original packaging.
Return procedure for S9S08RN32W1VLFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S9S08RN32W1VLFR 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…
