My Inquiry
My Account
NXP Semiconductors S9S08RNA32W1MLH
- Part No.:
- S9S08RNA32W1MLH
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
S9S08RNA32W1MLH.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,384
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
S9S08RNA32W1MLH 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 three FTM timer modules, 12-bit 16-channel ADC, dual SCI/UART, I²C, SPI, TSI touch sensing, and on-chip debug via single-wire BDM interface.
For engineers reviewing the S9S08RNA32W1MLH datasheet, S9S08RNA32W1MLH pinout, S9S08RNA32W1MLH application, or S9S08RNA32W1MLH equivalent, this page delivers verified technical context, validated pin assignments for the 64-pin LQFP package, real-world use cases in motor control and body electronics, and two confirmed alternative parts with documented functional and packaging differences.
Technical Context
The S9S08RNA32W1MLH implements a Harvard-architecture 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 internal clock source (ICS) with FLL-based frequency multiplication, delivering stable 20 MHz operation with ±2.0% DCO deviation over –40 °C to +125 °C.
System protection includes independent watchdog timer, programmable low-voltage detection (LVD) with four warning thresholds per range, illegal opcode/address detection, and flash/RAM access protection. Debug infrastructure comprises single-wire background debug mode (BDM), three hardware breakpoints, and on-chip ICE with two comparators and nine trigger modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | 8-bit S08 CPU, up to 20 MHz bus speed at 2.7–5.5 V |
| Memory | 32 KB flash (read/program/erase over full voltage/temp), 256-byte 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 counters with PWM, input capture, output compare |
| Communication | Three SCI/UART (LIN-capable), one I²C (400 kbps), two SPI (8-bit + 16-bit), RTC, CRC module |
| Touch Sensing | TSI supporting up to 16 electrodes; software/hardware scan trigger; wake-from-Stop3 capability |
| Supply Current | 3.8 µA typical in Stop3 mode (1 kHz LPO active); 12.6 mA typical run current at 20 MHz, 5 V |
Pinout & Package
64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VSS, VSSA | Power supply and ground rails | Dual-domain power: digital (VDD/VSS) and analog (VDDA/VSSA) for noise isolation in mixed-signal operation |
| EXTAL / XTAL | External crystal oscillator inputs | Supports Pierce oscillator configuration with crystals/resonators from 32 kHz to 20 MHz |
| PTA0–PTA7, PTB0–PTB7, PTC0–PTC7, PTD0–PTD7, PTE0–PTE7 | General-purpose I/O ports | 55 total GPIOs; eight ultra-high-current sink pins (20 mA), two true open-drain outputs (PTA2/PTA3) |
| RESET | Active-low reset input | Accepts min. 1.5×tSelf_reset pulse width; supports external reset and POR/LVD-triggered reset |
| BKGD | Single-wire background debug | Enables in-circuit programming and debugging without dedicated JTAG pins |
| TPM0_CH0–TPM0_CH5, TPM1_CH0–TPM1_CH1, TPM2_CH0–TPM2_CH1 | FTM channel I/O | Configurable as PWM outputs, input captures, or output compares; mapped to specific port pins per datasheet Table 8-2 |
Key Features
| Feature | Design Value |
|---|---|
| Flash endurance & security | 100,000 program/erase cycles; flash protection registers prevent unauthorized read/write access |
| EEPROM reliability | 256-byte EEPROM with ECC and 2-byte erase sectors; supports concurrent program/erase while executing from flash |
| Low-power operation | Stop3 mode draws only 3.8 µA (typical) with 1 kHz LPO active; peripheral clocks can be gated individually |
| Analog integration | 12-bit ADC with internal bandgap reference, watermark buffers, and hardware-triggered conversions in stop mode |
| Touch interface | TSI module supports up to 16 electrodes with configurable scan timing and wake-on-touch from Stop3 |
Applications
| Automotive Body Control Module | Industrial Motor Drive Interface |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in passenger vehicles. IC Role / Device Role / Timing Role: Main MCU executing real-time control logic, managing LIN/SCI communication with slave nodes, and sampling analog sensors (potentiometers, temperature). Use Value: Integrated 12-bit ADC, LIN-capable SCI, and robust -40 °C to +125 °C operation eliminate need for external signal conditioning and enable direct sensor interfacing. | Use Scenario: Closed-loop speed/torque control of BLDC motors in HVAC blowers, pumps, and compressors. IC Role / Device Role / Timing Role: Real-time execution of commutation algorithms using FTM-generated six-step PWM, ADC feedback sampling, and fault monitoring via ACMP. Use Value: Six-channel FTM with center-aligned PWM, 2.5 µs ADC conversion, and ultra-high-current GPIOs drive gate drivers directly without level-shifting. |
| Smart Appliance Control Unit | Heavy-Duty Relay & Solenoid Controller |
Use Scenario: Washing machine drum control, water valve sequencing, and user interface management with capacitive touch buttons. IC Role / Device Role / Timing Role: System controller coordinating motor timing, temperature monitoring, and TSI-based touch panel with wake-from-standby capability. Use Value: On-chip TSI supports 16-electrode touch sensing with hardware scan trigger and Stop3 wake-up, reducing BOM cost vs. external touch IC. | Use Scenario: Industrial PLC I/O expansion module driving high-current relays, solenoids, and indicator lamps. IC Role / Device Role / Timing Role: High-reliability interface MCU providing galvanically isolated digital outputs with precise timing and fault reporting. Use Value: Eight 20 mA sink pins directly drive relay coils; LVD detection with interrupt enables graceful shutdown during brownout conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S08RN32W1MLH | Same silicon die, identical electrical specs and pinout; legacy Freescale branding pre-NXP acquisition | No functional difference; identical qualification status (–40 °C to +125 °C), package, and memory map | Select when sourcing from legacy inventory or distributor stock labeled under original Freescale part numbering |
| S9KEAZ32AMLH | Kinetis E-series ARM Cortex-M0+ core; 32 KB flash, 4 KB RAM; higher performance but different architecture and toolchain | Requires firmware rewrite; lacks TSI and some S08-specific peripherals (e.g., KBI); offers USB and more advanced timers | Choose for new designs requiring higher compute throughput or future-proofing beyond 8-bit; not drop-in compatible |
Compared with MC9S08RN32W1MLH, the S9S08RNA32W1MLH offers identical functionality under updated NXP branding and long-term supply assurance; versus S9KEAZ32AMLH, it provides proven 8-bit determinism and lower power in Stop3 mode but requires architectural migration for upgrade paths.
Availability
S9S08RNA32W1MLH is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor drives, smart appliance control, and heavy-duty relay interface applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for S9S08RNA32W1MLH 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, IoT, and mobile applications.
The S9S08RNA32W1MLH belongs to the S08RN family-designed specifically for cost-sensitive, high-reliability embedded control in harsh environments where extended temperature operation, robust peripheral integration, and long-term supply stability are critical.
FAQ
What is the maximum operating frequency and voltage range for the S9S08RNA32W1MLH?
The S9S08RNA32W1MLH 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 by characterization and applies to all core and peripheral functions including flash execution, ADC conversion, and FTM PWM generation. The internal FLL ensures stable clocking even with variations in supply voltage and ambient temperature.
Does the S9S08RNA32W1MLH support in-circuit debugging, and what interface is used?
Yes, the S9S08RNA32W1MLH supports in-circuit debugging via a single-wire background debug mode (BDM) interface using the BKGD pin. It provides three hardware breakpoints, on-chip in-circuit emulator (ICE) with two comparators and nine trigger modes, and full memory access during debug sessions. This eliminates the need for dedicated JTAG headers and simplifies PCB layout while maintaining full visibility into register states and program flow during development of S9S08RNA32W1MLH-based systems.
What are the flash and EEPROM endurance specifications for the S9S08RNA32W1MLH?
The S9S08RNA32W1MLH guarantees 100,000 program/erase cycles for its 32 KB flash memory and supports EEPROM emulation with 256 bytes of true EEPROM featuring ECC protection and 2-byte erase sectors. The EEPROM allows concurrent program/erase operations while executing code from flash memory, enabling reliable data logging and parameter storage in automotive and industrial applications where write endurance and data integrity are essential for S9S08RNA32W1MLH deployments.
How does the S9S08RNA32W1MLH handle low-voltage conditions, and what reset options are available?
The S9S08RNA32W1MLH integrates a programmable low-voltage detection (LVD) system with selectable trip points in both high-range (4.2–4.4 V) and low-range (2.56–2.66 V) modes, plus four warning thresholds per range. It supports LVD-triggered reset or interrupt, POR re-arm at 1.5–2.0 V, and illegal opcode/address detection with automatic reset. These features ensure deterministic fail-safe behavior during brownout events, making the S9S08RNA32W1MLH suitable for mission-critical automotive and industrial control where uninterrupted operation and safe shutdown are required.
Can the S9S08RNA32W1MLH operate in ultra-low-power modes, and what peripherals remain active in Stop3 mode?
Yes, the S9S08RNA32W1MLH supports Stop3 mode with typical current consumption of 3.8 µA at 5 V and –40 °C to +125 °C. In this mode, only the 1 kHz LPO clock remains active by default, but optional peripherals-including ADC, TSI, and LVD-can be enabled with additive current (e.g., +44 µA for ADC, +111 µA for TSI). This selective activation enables event-driven wake-up from deep sleep while maintaining minimal power draw, a key advantage for battery-powered or energy-conscious S9S08RNA32W1MLH applications.
S9S08RNA32W1MLH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-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:
- 55
- 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:
S9S08RNA32W1MLH FAQ
1.How can I place an order for S9S08RNA32W1MLH through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S08RNA32W1MLH 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 S9S08RNA32W1MLH reliable?
The price and inventory of S9S08RNA32W1MLH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S08RNA32W1MLH is usually 5 days.
3.What payment methods are accepted for S9S08RNA32W1MLH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S08RNA32W1MLH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S08RNA32W1MLH?
S9S08RNA32W1MLH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S08RNA32W1MLH 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 S9S08RNA32W1MLH?
For technical support, including S9S08RNA32W1MLH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S08RNA32W1MLH requirements.
6.How does Aetrix verify that S9S08RNA32W1MLH is sourced from the original manufacturer or authorized distributors?
All S9S08RNA32W1MLH 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 S9S08RNA32W1MLH meets industry standards.
7.What is the process for return or replacement of S9S08RNA32W1MLH?
All S9S08RNA32W1MLH units undergo pre-shipment inspection (PSI). If there is an issue with S9S08RNA32W1MLH, 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 S9S08RNA32W1MLH part is unused and in its original packaging.
Return procedure for S9S08RNA32W1MLH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
S9S08RNA32W1MLH 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…
