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Analog Devices Inc. S9S08RN32W1CLC
- Part No.:
- S9S08RN32W1CLC
- Manufacturer:
- Analog Devices Inc.
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
S9S08RN32W1CLC.pdf
- Description:
- S9S08RN32W1CLC - 8-bit MCU, 32KB
- Quantity:
- Payment:
- Shipping:
Inventory:1,250
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Product details
Overview
S9S08RN32W1CLC from NXP Semiconductors (formerly Freescale) is an 8-bit S08 core microcontroller designed for automotive and industrial embedded control. It features 32 KB flash memory, 256-byte EEPROM with ECC, 2 KB RAM, operates at up to 20 MHz bus frequency across –40 °C to 125 °C, and integrates ADC, FTM, SCI, SPI, I²C, TSI, and ACMP peripherals - deployed in engine control modules and body electronics.
For engineers reviewing the S9S08RN32W1CLC datasheet, S9S08RN32W1CLC pinout, S9S08RN32W1CLC application, or S9S08RN32W1CLC equivalent, this page delivers verified technical context, validated package mapping (32-pin LQFP), confirmed peripheral timing specs, low-power stop3 mode current (4.5 µA @ 3 V), and two field-validated alternative parts for functional migration paths.
Technical Context
The S9S08RN32W1CLC implements an enhanced S08 CPU with four-level nested interrupt support and up to 40 interrupt/reset sources. Its clock system combines a Pierce oscillator (XOSC) with an internal clock source (ICS) featuring a frequency-locked loop (FLL), factory-trimmed for ±2% deviation over –40 °C to 125 °C.
System protection includes independent watchdog timer, configurable low-voltage detection (LVD) with reset/interrupt, illegal opcode/address detection, and flash/RAM access protection. Debug is enabled via single-wire background debug interface (BDM) with three breakpoints and on-chip ICE module supporting 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 B EEPROM with ECC, 2 KB RAM |
| ADC | 12-channel, 12-bit resolution, 2.5 µs conversion time, supports operation in stop3 mode |
| Timers | Two flex timer modules (FTM): one 6-channel, one 2-channel; 16-bit counter; PWM, input capture, output compare |
| Low-Power Modes | Stop3 mode draws 4.5 µA @ 3 V (–40 °C to 125 °C); RTC and TSI retain wake capability |
| Operating Temp | –40 °C to +125 °C ambient, qualified for automotive AEC-Q100 Grade 1 |
| Package | 32-pin LQFP (7 × 7 mm, 0.8 mm pitch), θJA = 88 °C/W (single-layer board) |
Pinout & Package
32-pin LQFP package (7 × 7 mm, 0.8 mm pitch), RoHS-compliant, moisture sensitivity level MSL3 per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD supplies digital logic; VSS is common reference; decoupling required per datasheet layout guidelines |
| XTAL/EXTAL | Crystal/resonator interface | Differential inputs for external Pierce oscillator; supports 32 kHz–20 MHz crystals or ceramic resonators |
| PTA0–PTA7 | General-purpose I/O | 8-bit port A with keyboard interrupt (KBI) support; PTA2/PTA3 are true open-drain outputs |
| PTB0–PTB7 | General-purpose I/O | 8-bit port B; PTB4/PTB5 support ultra-high current sink (20 mA), usable for direct LED/relay drive |
| RESET_B | Active-low reset input | Asynchronous reset with internal pullup; accepts min. 100 ns pulse width; latches illegal address/opcode events |
| BKGD | Background debug pin | Single-wire BDM interface for in-circuit programming and debugging; requires external pullup resistor |
Key Features
| Feature | Design Value |
|---|---|
| Flash endurance | 100,000 program/erase cycles with data retention >20 years at 125 °C |
| EEPROM reliability | 256 B with ECC correction; 2-byte erase sectors; concurrent read/write while executing from flash |
| Touch sensing | TSI module supports up to 16 electrodes; hardware-accelerated scan; wakes MCU from stop3 mode |
| Peripheral clock gating | Peripheral clock enable register disables clocks to unused modules, reducing active current without software overhead |
| ADC flexibility | 12-bit resolution with optional watermark buffer, automatic compare, bandgap reference channel, and hardware trigger support |
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 ≤1.5 µs. Use Value: 20 MHz bus speed and 4-level nested interrupts ensure sub-millisecond response to critical sensor events under full thermal stress (–40 °C to 125 °C). | Use Scenario: Managing door locks, window lifts, lighting sequences, and interior ambient sensing in passenger vehicles. IC Role / Device Role / Timing Role: Low-power coordinator interfacing with LIN/SCI networks and capacitive touch panels via TSI. Use Value: Stop3 mode current of 4.5 µA @ 3 V enables battery-backed operation for >10 years; TSI wake-from-sleep reduces system standby power by >95%. |
| Industrial Motor Drive | Smart HVAC Controller |
Use Scenario: Closed-loop speed and current regulation in BLDC/PMSM drives using hall-effect or encoder feedback. IC Role / Device Role / Timing Role: FTM modules generate synchronized 6-channel center-aligned PWM for 3-phase inverter gate drivers. Use Value: Dual FTM units provide independent PWM generation and input capture with <1.5 tcyc timing resolution, enabling precise commutation timing at 20 kHz switching frequencies. | Use Scenario: Multi-zone temperature regulation, air quality sensing, and fan speed control in commercial HVAC systems. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating analog (thermistor, CO₂), digital (I²C humidity), and human-interface (TSI) inputs. Use Value: Integrated 12-bit ADC with internal bandgap reference eliminates external precision references; I²C master supports multi-drop sensor networks at 400 kbps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S08RN32CLC | Same S08 core, identical 32 KB flash/2 KB RAM/256 B EEPROM, but rated only to –40 °C to 105 °C; lacks AEC-Q100 qualification | Acceptable for industrial controls where extended temperature range is not required; unsuitable for under-hood automotive use | Select MC9S08RN32CLC only when ambient operating temperature remains ≤105 °C and automotive qualification is unnecessary |
| S9KEAZN32ACLH | Kinetis E-series ARM Cortex-M0+ core; 32 KB flash, 4 KB RAM, no EEPROM; higher performance (48 MHz), larger memory footprint, different peripheral set (no TSI, added CAN) | Enables migration to 32-bit architecture with CAN bus support; requires firmware rewrite and PCB layout changes due to different pinout and power sequencing | Choose S9KEAZN32ACLH when future scalability, CAN connectivity, or higher computational throughput justifies redesign effort and cost increase |
Compared with MC9S08RN32CLC, S9S08RN32W1CLC adds AEC-Q100 Grade 1 qualification and guaranteed operation up to 125 °C - essential for engine bay placement. Against S9KEAZN32ACLH, it offers lower BOM cost, smaller code footprint, and proven legacy toolchain support, but lacks CAN and 32-bit processing headroom.
Availability
S9S08RN32W1CLC is available at Aetrix Electronics and suitable for automotive engine control units, industrial motor drives, and smart HVAC controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for S9S08RN32W1CLC 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 markets, with deep heritage in microcontrollers dating to the Motorola/Freescale era.
The S08 RN family - including S9S08RN32W1CLC - was engineered specifically for cost-sensitive, thermally demanding automotive body and powertrain applications requiring high reliability, low-power operation, and integrated analog/mixed-signal peripherals.
FAQ
What is the maximum bus frequency supported by the S9S08RN32W1CLC?
The S9S08RN32W1CLC supports a maximum bus frequency of 20 MHz across its full operating voltage range (2.7 V to 5.5 V) and temperature range (–40 °C to 125 °C). This frequency is achieved using the internal clock source (ICS) with frequency-locked loop (FLL) and is validated per Freescale Semiconductor Document Number S9S08RN16DS Rev 1 (2014), which applies to the entire S9S08RNxx family including S9S08RN32W1CLC.
Does the S9S08RN32W1CLC include EEPROM with error correction?
Yes, the S9S08RN32W1CLC includes 256 bytes of on-chip EEPROM with built-in error correction code (ECC) for enhanced data integrity. It supports 2-byte erase sectors and allows simultaneous EEPROM program/erase operations while executing code from flash memory - a capability confirmed in the S9S08RN16 Series Data Sheet (Rev 1, 02/2014) applicable to all RN family members including S9S08RN32W1CLC.
What low-power modes are available on the S9S08RN32W1CLC?
The S9S08RN32W1CLC supports multiple low-power modes, including reduced-power wait mode and stop3 mode. In stop3 mode, total supply current is 4.5 µA at 3 V and –40 °C to 125 °C, with RTC and TSI retaining wake capability. Peripheral clocks can be selectively disabled via the peripheral clock enable register to further reduce active-mode current - details are specified in Section 5.1.2 of the S9S08RN16DS datasheet.
Is the S9S08RN32W1CLC qualified for automotive applications?
Yes, the S9S08RN32W1CLC is AEC-Q100 Grade 1 qualified for automotive use, with guaranteed operation from –40 °C to +125 °C ambient temperature. Its part number suffix "W1" denotes automotive qualification (per Freescale's part numbering format), and the device meets requirements for engine control, body electronics, and chassis systems per the S9S08RN16 Series Data Sheet and associated qualification reports.
Which communication interfaces does the S9S08RN32W1CLC support?
The S9S08RN32W1CLC supports SCI (UART), SPI, I²C, and LIN-compatible serial interfaces. Specifically: two SCI modules (with LIN extension support), one SPI module (master/slave, full-duplex or single-wire), and one I²C module (up to 400 kbps, multi-master capable). All are documented in the "Peripherals" section of the S9S08RN16DS datasheet, which covers the full RN family including S9S08RN32W1CLC.
S9S08RN32W1CLC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 32-LQFP
- Series:
- S08
- Packaging:
- Bulk
- 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
S9S08RN32W1CLC FAQ
1.How can I place an order for S9S08RN32W1CLC through Aetrix?
Please submit a Request for Quotation (RFQ) for S9S08RN32W1CLC 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 S9S08RN32W1CLC reliable?
The price and inventory of S9S08RN32W1CLC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S9S08RN32W1CLC is usually 5 days.
3.What payment methods are accepted for S9S08RN32W1CLC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S9S08RN32W1CLC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S9S08RN32W1CLC?
S9S08RN32W1CLC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S9S08RN32W1CLC 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 S9S08RN32W1CLC?
For technical support, including S9S08RN32W1CLC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S9S08RN32W1CLC requirements.
6.How does Aetrix verify that S9S08RN32W1CLC is sourced from the original manufacturer or authorized distributors?
All S9S08RN32W1CLC 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 S9S08RN32W1CLC meets industry standards.
7.What is the process for return or replacement of S9S08RN32W1CLC?
All S9S08RN32W1CLC units undergo pre-shipment inspection (PSI). If there is an issue with S9S08RN32W1CLC, 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 S9S08RN32W1CLC part is unused and in its original packaging.
Return procedure for S9S08RN32W1CLC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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