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NXP Semiconductors MC9S08PT32VLD
- Part No.:
- MC9S08PT32VLD
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
MC9S08PT32VLD.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:760
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Product details
Overview
MC9S08PT32VLD from NXP Semiconductors is an 8-bit S08 microcontroller designed for embedded control in industrial and automotive applications, featuring 32 KB flash memory, 4 KB RAM, 256-byte EEPROM, 16-channel 12-bit ADC, and operation up to 20 MHz across –40 °C to 105 °C. It integrates three FlexTimer modules (6+2+2 channels), three SCI/UART interfaces with LIN support, I²C, SPI, RTC, CRC, analog comparator, and touch-sensing interface (TSI) with 12 electrode channels.
For engineers reviewing the MC9S08PT32VLD datasheet, MC9S08PT32VLD pinout, MC9S08PT32VLD application, or MC9S08PT32VLD equivalent, this page delivers verified technical context, package-specific pin mapping, real-world use scenarios, and validated alternative options - all grounded in the official MC9S08PT60 Series Data Sheet Rev. 6 (09/2019), which explicitly covers MC9S08PT32(A) devices including VLD package variants.
Technical Context
The MC9S08PT32VLD implements an enhanced S08 CPU core with nested interrupt handling (up to four levels) and supports multiple clock sources: a precision internal clock system (ICS) with FLL and ±1% trim accuracy (0–70 °C), plus external crystal/ceramic oscillator (XOSC) ranging from 31.25 kHz to 20 MHz. Its power management includes Stop3 mode with sub-µA current draw (1.4 µA typical at 3 V) and configurable peripheral clock gating.
Peripherals are tightly integrated via the System Integration Module (SIM): the 12-bit ADC operates in stop mode with hardware trigger and data buffering; TSI supports wake-from-Stop3; FTM modules offer edge- and center-aligned PWM, input capture, and output compare; and the single-wire background debug interface enables in-circuit emulation with three breakpoints and dual-comparator ICE module.
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 supply |
| Memory | 32 KB on-chip flash (read/program/erase over full voltage/temperature), 4 KB RAM, 256 B EEPROM with 2-byte erase sectors |
| ADC | 16-channel, 12-bit resolution, 2.5 µs conversion time, internal bandgap reference, stop-mode operation supported |
| Timers | Three FTM modules (6+2+2 channels), two 8-bit modulo timers (MTIM), 16-bit RTC, programmable cyclic redundancy check (CRC) |
| Communication | Three SCI/UART (LIN-capable), one I²C (400 kbps), two SPI (8-bit + 16-bit), supporting master/slave and full-duplex modes |
| Touch & Analog | TSI supporting up to 12 external electrodes; one analog comparator (ACMP) with independent rising/falling edge interrupts and filtering |
| Power Modes | Stop3 mode draws 1.4 µA (typical at 3 V); peripheral clocks can be individually disabled to reduce active current |
Pinout & Package
MC9S08PT32VLD is housed in a 44-pin LQFP package (10 mm × 10 mm, 0.8 mm pitch) with exposed thermal pad. Pin assignments follow the MC9S08PT60 Series Data Sheet Rev. 6, Table 2 and Figure 9 (Pin Assignments), where the VLD variant maps to the 44-LQFP configuration with 37 GPIOs, including eight ultra-high-current sink pins (20 mA), two true open-drain outputs (PTA2, PTA3), and dedicated BKGD/MS debug pin.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PTA0/KBI0P0/FTM0CH0/ACMP0/ADP0 | Port A bit 0 / Keyboard interrupt / FTM channel / Comparator input / ADC channel | Multi-function pin supporting GPIO, KBI wakeup, timer I/O, analog comparator input, and ADC input - requires software configuration for mode selection |
| PTA4/ACMPO/BKGD/MS | Comparator output / Background debug / Master select | Output-only pin when used as port; primary debug interface pin for single-wire BDM; critical for programming and in-circuit debugging |
| PTA5/IRQ/TCLK0/RESET | Interrupt request / Timer clock / Reset input | Active-low reset pin with internal pullup; also serves as IRQ input and optional external timer clock source |
| PTB6/SDA/XTAL | I²C data / Crystal oscillator input | Shared function: connects to I²C bus as SDA or to crystal as XTAL - mutually exclusive usage per hardware configuration |
| PTB7/SCL/EXTAL | I²C clock / Crystal oscillator output | Shared function: connects to I²C bus as SCL or to crystal as EXTAL - must be configured consistently with PTB6 |
| VDD, VSS | Power supply and ground | Dual power pair (pins 1 and 44) provides decoupling for digital core; VDDA/VSSA (pins 21 and 22) isolate analog supply for ADC/ACMP noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Flash & EEPROM security | Programmable flash and RAM access protection prevents unauthorized read/write - essential for firmware IP protection in production systems |
| Low-power Stop3 mode | 1.4 µA typical supply current with 1 kHz LPO clock active, enabling battery-powered operation for months without recharge |
| Hardware CRC module | Programmable CRC engine accelerates checksum calculation for firmware updates and communication packet validation - offloads CPU and ensures deterministic timing |
| TSI wake capability | Capable of waking MCU from Stop3 mode via capacitive touch electrode scan - eliminates need for external wake circuitry in HMI designs |
| Flexible clock architecture | ICS with FLL allows precise bus frequency derivation from low-cost RC or crystal references; supports dynamic clock switching during runtime |
| High-drive GPIO | Eight pins deliver 20 mA sink/source current - directly drive LEDs, relays, or small solenoids without external drivers in space-constrained designs |
Applications
| Industrial Motor Control | Automotive Body Controller |
|---|---|
|
Use Scenario: Localized control of BLDC fan speed, position feedback, and fault monitoring in HVAC subsystems. IC Role / Device Role / Timing Role: Real-time motor commutation timing via FTM PWM outputs, ADC sampling of current/voltage sensors, and LIN communication to central ECU. Use Value: Integrated 20 MHz timing, 12-bit ADC with hardware trigger, and LIN-capable SCI eliminate external timing ICs and level shifters - reducing BOM count by ≥3 components. |
Use Scenario: Centralized door lock actuation, window lift control, and interior lighting dimming in entry-level vehicles. IC Role / Device Role / Timing Role: GPIO-driven relay/LED control, TSI-based touch switch interface, and I²C communication with sensor clusters. Use Value: Eight 20 mA GPIOs drive actuators directly; 12-electrode TSI supports multi-zone touch panels; Stop3 mode extends battery life during vehicle sleep state. |
| Smart Appliance UI | Energy Metering Node |
|
Use Scenario: Capacitive touch keypad and display backlight control in washing machines and ovens. IC Role / Device Role / Timing Role: TSI scan engine with hardware auto-calibration, PWM-controlled LED dimming via FTM, and UART diagnostics interface. Use Value: On-chip TSI eliminates external touch controller IC; FTM center-aligned PWM reduces EMI in sensitive RF environments near Wi-Fi modules. |
Use Scenario: Sub-metering node collecting voltage/current samples and reporting via RS-485 or wireless gateway. IC Role / Device Role / Timing Role: High-accuracy 12-bit ADC with internal bandgap reference, CRC-protected data logging to flash, and SCI with 13-bit break for legacy protocol compatibility. Use Value: Internal 1.16 V bandgap reference (±2 mV) enables <1% measurement accuracy without external precision reference; flash endurance supports 100k+ write cycles for long-term logging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S08PT60VLD | 60 KB flash, same 44-LQFP package, identical peripheral set and pinout; higher memory capacity only | Required where firmware size exceeds 32 KB or future-proofing for feature expansion is needed | Select MC9S08PT60VLD if code footprint exceeds 32 KB or if design longevity mandates headroom for field upgrades. |
| S9KEAZN64AMLH | Kinetis E-series ARM Cortex-M0+, 64 KB flash, 8 KB RAM, 16-bit ADC, but no TSI; different architecture and toolchain | Preferred for new designs requiring higher compute throughput, RTOS support, or migration path to 32-bit platforms | Choose S9KEAZN64AMLH only for greenfield projects targeting ARM ecosystem; not a drop-in replacement due to core and peripheral differences. |
Compared with MC9S08PT60VLD, the MC9S08PT32VLD offers identical performance, peripherals, and pin compatibility at reduced flash cost - making it optimal for memory-constrained, cost-sensitive applications; versus S9KEAZN64AMLH, it retains legacy S08 toolchain continuity and lower power in deep-sleep modes but lacks 32-bit scalability.
Availability
MC9S08PT32VLD is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart appliance UI, and energy metering nodes requiring stable component supply, long lifecycle support, and automotive-grade temperature range (–40 °C to 105 °C).
Supply support for MC9S08PT32VLD 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 specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with over 40 years of microcontroller innovation and broad automotive qualification expertise.
The MC9S08PT32VLD belongs to NXP's S08PT family - engineered for cost-sensitive, high-reliability embedded control in harsh environments, emphasizing low-power operation, robust peripheral integration, and long-term supply assurance for industrial and automotive Tier 2/3 suppliers.
FAQ
What is the maximum operating frequency and voltage range for the MC9S08PT32VLD?
The MC9S08PT32VLD operates at up to 20 MHz bus frequency across a supply voltage range of 2.7 V to 5.5 V, fully specified over the industrial temperature range of –40 °C to 105 °C. This rating is confirmed in Table 1 (Ordering Information) and Section 6.1.1 (DC Characteristics) of the MC9S08PT60 Series Data Sheet Rev. 6, which explicitly covers the MC9S08PT32(A) family including the VLD package variant.
Does the MC9S08PT32VLD support in-circuit debugging, and what interface is used?
Yes, the MC9S08PT32VLD supports in-circuit debugging via a single-wire background debug interface (BDM) using the PTA4/ACMPO/BKGD/MS pin. It includes breakpoint capability (three breakpoints), on-chip in-circuit emulator (ICE) with two comparators and nine trigger modes, and is compatible with standard NXP BDM tools - all detailed in Section 1.2 (Development Support) of the MC9S08PT60 Series Data Sheet Rev. 6.
How many touch-sensing electrodes does the MC9S08PT32VLD support, and can it wake from low-power mode?
The MC9S08PT32VLD supports up to 12 external electrodes via its Touch-Sensing Interface (TSI), as specified for the VLD package in Table 1 (Ordering Information). It can wake the MCU from Stop3 mode using TSI-triggered interrupts - confirmed in Section 7.5.1 (TSI electrical specifications) and Table 5 (Supply current characteristics, row 8), where TSI adder current in Stop3 is quantified.
What are the flash and EEPROM capacities of the MC9S08PT32VLD?
The MC9S08PT32VLD integrates 32,768 bytes (32 KB) of on-chip flash memory and 256 bytes of EEPROM. Flash supports read/program/erase over full operating voltage and temperature; EEPROM uses 2-byte erase sectors and allows program/erase while executing flash code - all verified in Section 1 (Key features) and Table 1 of the MC9S08PT60 Series Data Sheet Rev. 6.
Is the MC9S08PT32VLD pin-compatible with other members of the S08PT family, such as the MC9S08PT60VLD?
Yes, the MC9S08PT32VLD is pin-compatible with the MC9S08PT60VLD in the 44-pin LQFP (VLD) package - both share identical pin assignments, peripheral mappings, and electrical characteristics per Table 1 and Figure 9 of the MC9S08PT60 Series Data Sheet Rev. 6. The only functional difference is flash size (32 KB vs. 60 KB); all I/O, debug, and power pins align exactly.
MC9S08PT32VLD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 44-LQFP
- Series:
- S08
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- 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:
- 37
- 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:
MC9S08PT32VLD FAQ
1.How can I place an order for MC9S08PT32VLD through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08PT32VLD 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 MC9S08PT32VLD reliable?
The price and inventory of MC9S08PT32VLD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08PT32VLD is usually 5 days.
3.What payment methods are accepted for MC9S08PT32VLD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S08PT32VLD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S08PT32VLD?
MC9S08PT32VLD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08PT32VLD 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 MC9S08PT32VLD?
For technical support, including MC9S08PT32VLD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08PT32VLD requirements.
6.How does Aetrix verify that MC9S08PT32VLD is sourced from the original manufacturer or authorized distributors?
All MC9S08PT32VLD 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 MC9S08PT32VLD meets industry standards.
7.What is the process for return or replacement of MC9S08PT32VLD?
All MC9S08PT32VLD units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08PT32VLD, 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 MC9S08PT32VLD part is unused and in its original packaging.
Return procedure for MC9S08PT32VLD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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