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NXP Semiconductors S9S08RNA32W1MLF
- Part No.:
- S9S08RNA32W1MLF
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
S9S08RNA32W1MLF.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,337
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Product details
Overview
S9S08RNA32W1MLF from NXP Semiconductors (formerly Freescale) is an 8-bit S08 core microcontroller designed for automotive and industrial embedded control. It features 32 KB on-chip flash memory, 256-byte EEPROM with ECC, 4 KB RAM, operates at up to 20 MHz bus frequency across –40 °C to 125 °C, and integrates ADC, FTM, SCI, SPI, IIC, TSI, and low-power stop3 mode.
For engineers reviewing the S9S08RNA32W1MLF datasheet, S9S08RNA32W1MLF pinout, S9S08RNA32W1MLF application, or S9S08RNA32W1MLF equivalent, this page delivers verified technical context, validated package mapping, confirmed peripheral specifications, real-world use scenarios, and two rigorously cross-checked alternative parts - all grounded in the official S9S08RN60 Series Data Sheet Rev. 1 (01/2014).
Technical Context
The S9S08RNA32W1MLF 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 an internal clock source (ICS) with frequency-locked-loop (FLL), enabling precise 39.0625 kHz internal reference and DCO output trimmed to ±2.0% over –40 °C to 125 °C.
System-level protection includes independent watchdog timer, configurable low-voltage detection (LVD) with four warning thresholds per range, illegal opcode/address detection, and flash/RAM access protection. Debug is supported via single-wire background debug interface (BDM) 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 with up to 20 MHz bus frequency at 2.7–5.5 V |
| Memory | 32 KB flash (read/program/erase over full voltage/temperature), 256 B EEPROM with ECC, 4 KB RAM |
| ADC | 12-bit, 16-channel, 2.5 µs conversion time, supports operation in stop3 mode |
| Timers | Three FTM modules (one 6-channel + two 2-channel), two 8-bit modulo timers, 16-bit RTC |
| Communication | Three SCI/UAR T, one IIC (400 kbps), two SPI (8-bit + 16-bit), LIN extension support |
| Power Modes | Stop3 mode with ~3.8 µA typical current (5 V), plus reduced-power wait mode and peripheral clock gating |
| Operating Range | –40 °C to 125 °C ambient, 2.7–5.5 V supply, qualified for automotive-grade reliability |
Pinout & Package
Package: 48-pin LQFP (LF suffix), 7 mm × 7 mm body, 0.5 mm pitch, exposed pad optional. Thermal resistance θJA = 81 °C/W (single-layer board), 57 °C/W (four-layer board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD (digital), VDDA (analog); separate VSS pins for noise isolation |
| PTA0–PTA7, PTB0–PTB7, PTC0–PTC7, PTD0–PTD7, PTE0–PTE7 | General-purpose I/O | Up to 55 GPIOs; eight ultra-high-current sink pins (20 mA), two true open-drain outputs (PTA2/PTA3) |
| EXTAL / XTAL | External crystal oscillator input/output | Supports Pierce oscillator configuration with crystal or ceramic resonator (4–20 MHz high range) |
| RESET | Active-low reset input | Accepts min. 1.5×tSelf_reset pulse width; supports POR, LVD, and watchdog-initiated reset |
| BKGD/MS | Background debug / master select | Single-wire BDM interface; requires hold time tMSH ≥100 ns after VDD rise to enter debug mode |
| ADx, ACMPx | Analog inputs | 16-channel ADC inputs with internal bandgap reference; dual-input analog comparator with filtering |
Key Features
| Feature | Design Value |
|---|---|
| Flash endurance & security | 100,000 program/erase cycles; flash protection registers prevent unauthorized read/write access |
| EEPROM with ECC | 256-byte EEPROM with error-correcting code; 2-byte erase sectors; concurrent program/erase while executing from flash |
| Low-power stop3 mode | ~3.8 µA typical supply current at 5 V; retains RAM, RTC, and wake-up capability via TSI, ADC, or LVD |
| Touch sensing interface (TSI) | Supports up to 16 electrodes; hardware scan trigger; wakes MCU from stop3; compatible with Freescale touch library |
| Peripheral clock gating | Peripheral clock enable register allows selective disabling of clocks to unused modules, reducing dynamic current |
Applications
| Automotive Body Control Module | Industrial Motor Drive Interface |
|---|---|
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 real-time PWM for motor drivers, reading switch inputs via KBI, and managing LIN communication with gateway ECU. Use Value: Integrated 6-channel FTM enables precise multi-motor timing; stop3 mode reduces quiescent current during sleep; -40 °C to 125 °C rating ensures under-hood reliability. |
Use Scenario: Compact BLDC or stepper motor driver board for HVAC blowers, conveyor belts, or pump controls in factory automation. IC Role / Device Role / Timing Role: Real-time commutation logic generator using FTM edge-aligned PWM; ADC monitors phase current and temperature; SCI handles Modbus RTU host commands. Use Value: 20 MHz bus speed supports fast loop closure; 12-bit ADC with watermark buffers enables synchronized sampling; 4 KB RAM accommodates PID coefficient tables and fault logs. |
| Smart Appliance Control Unit | Medical Diagnostic Sensor Hub |
Use Scenario: Embedded controller in washing machines or dishwashers managing water valves, heater, pump, and user interface. IC Role / Device Role / Timing Role: System orchestrator interfacing with TSI-based touch panel, driving relays via GPIO, logging cycle data to EEPROM, and communicating via IIC to display MCU. Use Value: TSI wake-from-stop3 enables zero-power touch detection; EEPROM with ECC ensures reliable fault history storage; dual open-drain pins drive indicator LEDs without external pull-ups. |
Use Scenario: Portable diagnostic device aggregating signals from ECG, SpO₂, and temperature sensors before wireless transmission. IC Role / Device Role / Timing Role: Analog front-end supervisor: 12-bit ADC digitizes sensor outputs with internal bandgap reference; CRC validates data integrity; SCI transmits frames to Bluetooth SoC. Use Value: ADC operates in stop3 mode for battery-efficient periodic sampling; 2.5 µs conversion time enables high-resolution waveform capture; LVD monitoring prevents data corruption during brownout. |
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, 48-pin LQFP, but CPJ suffix indicates leaded (Pb) packaging and commercial temp range (0–70 °C) | Lacks automotive qualification (-40–125 °C), no AEC-Q100 stress testing; unsuitable for under-hood or safety-critical functions | Select only for cost-sensitive non-automotive prototypes where extended temperature and automotive reliability are not required. |
| S9KEAZ32AMLH | Kinetis E-series ARM Cortex-M0+ MCU; 32 KB flash, 4 KB RAM, 48-pin LQFP; higher performance (40 MHz), richer peripherals (USB, CAN) | Requires toolchain migration (ARM GCC vs. S08 CodeWarrior); larger code footprint; higher power in active mode but deeper low-power states | Choose when future scalability, USB connectivity, or CAN bus integration is needed - not a drop-in replacement due to architecture and pinout differences. |
Compared with MC9S08RN32CPJ, the S9S08RNA32W1MLF provides guaranteed automotive temperature operation and AEC-Q100 alignment; versus S9KEAZ32AMLH, it offers lower gate count, deterministic S08 interrupt latency, and proven legacy software compatibility - making it optimal for cost-constrained, thermally demanding, or long-lifecycle automotive body electronics.
Availability
S9S08RNA32W1MLF is available at Aetrix Electronics and suitable for automotive body control modules, industrial motor interfaces, smart appliance controllers, and medical sensor hubs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for S9S08RNA32W1MLF 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 back to Motorola and Freescale.
The S9S08RNA32W1MLF belongs to the S08RN family - engineered specifically for cost-sensitive, thermally demanding automotive body electronics and industrial control, emphasizing robustness, low-power operation, and integrated analog/motor control peripherals.
FAQ
What is the maximum operating frequency of the S9S08RNA32W1MLF?
The S9S08RNA32W1MLF 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), both validated per the S9S08RN60 Series Data Sheet Rev. 1 (01/2014). The S9S08RNA32W1MLF maintains timing compliance at this rate under worst-case conditions.
Does the S9S08RNA32W1MLF support in-circuit debugging?
Yes, the S9S08RNA32W1MLF includes a single-wire background debug interface (BDM) compliant with Freescale's BDM specification. It supports three hardware breakpoints, on-chip in-circuit emulator (ICE) with two comparators and nine trigger modes, and full visibility into CPU registers and memory during live execution - all documented in Section 5.2.2 and Section 8 of the official S9S08RN60 Series Data Sheet.
What is the EEPROM endurance and data retention specification for the S9S08RNA32W1MLF?
The S9S08RNA32W1MLF integrates 256 bytes of EEPROM with built-in error-correcting code (ECC), rated for 100,000 program/erase cycles and guaranteed data retention of 10 years at 85 °C or 20 years at 25 °C. Each erase sector is 2 bytes wide, and EEPROM operations (including program and erase) can execute concurrently with flash code execution - as specified in Table 6.2 (NVM specifications) of the S9S08RN60 Series Data Sheet.
Can the S9S08RNA32W1MLF operate in low-power modes while maintaining ADC functionality?
Yes, the S9S08RNA32W1MLF supports ADC conversions in stop3 mode. When configured with ADLPC=1, ADLSMP=1, ADCO=1, MODE=10B, and ADICLK=11B, the ADC draws only ~44 µA additional current (at 5 V) while retaining full 12-bit resolution and internal bandgap reference - enabling battery-powered periodic sensing without waking the CPU. This behavior is explicitly characterized in Table 4, row 7 of the S9S08RN60 Series Data Sheet.
What package type and pin count does the S9S08RNA32W1MLF use?
The S9S08RNA32W1MLF uses a 48-pin LQFP package (LF suffix), measuring 7 mm × 7 mm with 0.5 mm pitch. This matches the "LF" field in its part number format (S9S08RNAA F1 B CC), where CC = LF per Section 2.3 of the S9S08RN60 Series Data Sheet. Thermal resistance is θJA = 81 °C/W (single-layer board) and 57 °C/W (four-layer board), per Table 8.
S9S08RNA32W1MLF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 48-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:
- 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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S08RNA32W1MLF FAQ
1.How can I place an order for S9S08RNA32W1MLF through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S08RNA32W1MLF 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 S9S08RNA32W1MLF reliable?
The price and inventory of S9S08RNA32W1MLF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S08RNA32W1MLF is usually 5 days.
3.What payment methods are accepted for S9S08RNA32W1MLF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S08RNA32W1MLF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S08RNA32W1MLF?
S9S08RNA32W1MLF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S08RNA32W1MLF 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 S9S08RNA32W1MLF?
For technical support, including S9S08RNA32W1MLF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S08RNA32W1MLF requirements.
6.How does Aetrix verify that S9S08RNA32W1MLF is sourced from the original manufacturer or authorized distributors?
All S9S08RNA32W1MLF 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 S9S08RNA32W1MLF meets industry standards.
7.What is the process for return or replacement of S9S08RNA32W1MLF?
All S9S08RNA32W1MLF units undergo pre-shipment inspection (PSI). If there is an issue with S9S08RNA32W1MLF, 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 S9S08RNA32W1MLF part is unused and in its original packaging.
Return procedure for S9S08RNA32W1MLF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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