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NXP Semiconductors MC9S08PT32AVQH
- Part No.:
- MC9S08PT32AVQH
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-QFP
- Datasheet:
-
MC9S08PT32AVQH.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 64QFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
MC9S08PT32AVQH from NXP Semiconductors is an 8-bit S08 microcontroller with 32 KB flash, 4 KB RAM, and 256-byte EEPROM, operating at up to 20 MHz across –40 °C to 105 °C. It integrates a 16-channel 12-bit ADC, three FlexTimer modules (6+2+2 channels), I²C, three SCI/UARTs, two SPI interfaces, RTC, CRC, analog comparator, and touch-sensing interface (TSI). It targets automotive body control modules requiring robust low-power operation and mixed-signal integration.
For engineers reviewing the MC9S08PT32AVQH datasheet, MC9S08PT32AVQH pinout, MC9S08PT32AVQH application, or MC9S08PT32AVQH equivalent, this page delivers verified technical context, package-validated pin functions, real-world use cases, and two confirmed alternative parts - all grounded in the official MC9S08PT60 Series Data Sheet Rev. 6 (09/2019) which explicitly covers MC9S08PT32A devices including VQH packaging.
Technical Context
The MC9S08PT32AVQH implements an enhanced S08 CPU core with nested interrupt support (up to four levels) and 40 interrupt/reset sources. Its clock system combines an external crystal oscillator (4–20 MHz or 31.25–39.0625 kHz) and an internal clock source (ICS) featuring a frequency-locked loop (FLL) with factory-trimmed reference enabling ≤2% deviation over –40 °C to 105 °C.
System-level protection includes independent watchdog timer, programmable low-voltage detection (LVD) with reset/interrupt, illegal opcode/address detection, and flash/RAM access control. Debug is supported via single-wire background debug interface (BDM) with three breakpoints and on-chip ICE module with dual 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/temp range), 4 KB RAM, 256-byte EEPROM with 2-byte erase sector |
| ADC | 16-channel, 12-bit resolution, 2.5 µs conversion time, supports stop mode operation and hardware trigger |
| Timers | Three FTM modules (6+2+2 channels), two 8-bit modulo timers, 16-bit RTC |
| Communication | I²C (400 kbps), three SCI/UARTs (LIN-capable), one 16-bit + one 8-bit SPI, CRC module |
| Power Modes | Stop3 mode with ~1.45 µA supply current (5 V), plus peripheral-specific current adders (e.g., +44 µA for ADC active in Stop3) |
| Package | 64-pin QFP (VQH), supporting 57 GPIOs including eight 20 mA high-drive pins and two true open-drain outputs |
Pinout & Package
MC9S08PT32AVQH is housed in a 64-pin QFP (VQH) package with 14 mm × 14 mm body size, 0.8 mm lead pitch, and standard JEDEC MO-137AC footprint. Pin assignments are fully compatible with the MC9S08PT60A series per datasheet Table 1 and Figure 1 MCU block diagram.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PTA0/KBI0P0/FTM0CH0/ACMP0/ADP0 | Port A bit 0 / Keyboard interrupt 0 input / FTM0 channel 0 / Analog comparator 0 input / ADC channel 0 | Multi-function pin supporting GPIO, interrupt wake-up, PWM output, analog compare, and analog input - enables sensor interface and motor control with shared resource optimization |
| PTA4/ACMPO/BKGD/MS | Analog comparator output / Background debug / Master select | Output-only pin used for BDM communication and comparator result output; critical for in-circuit debugging and analog signal monitoring without additional buffering |
| PTB6/SDA/XTAL | I²C data line / Crystal oscillator input | Shared function pin requiring careful PCB routing: XTAL must connect directly to crystal with minimal trace length; SDA requires pull-up and noise filtering when used in I²C mode |
| PTB7/SCL/EXTAL | I²C clock line / Crystal oscillator output | Paired with PTB6 for crystal connection; also serves as I²C clock - dual-role necessitates mode selection during initialization and isolation during oscillator startup |
| PTC4/FTM1CH0/RTCO | FTM1 channel 0 / Real-time counter output | Configurable as PWM output or RTC pulse output; supports precise timing generation for lighting control or periodic wake-up events in low-power applications |
| VDD, VSS | Power supply and ground | Dedicated power pair (pins 1 and 64) plus secondary VSS/VDD (pins 40 and 41) and third VSS (pin 13) - requires separate decoupling capacitors per power domain to ensure stable core and analog operation |
Key Features
| Feature | Design Value |
|---|---|
| Flash and RAM protection | Hardware-enforced memory access control prevents unauthorized code execution or data read/write - essential for automotive firmware security and IP protection |
| Stop3 ultra-low-power mode | Sub-µA operation with selective peripheral wake-up (ADC, TSI, LVD) enables battery-powered systems to achieve multi-year runtime in intermittent-sensing applications |
| Touch Sensing Interface (TSI) | Supports up to 16 electrodes with hardware-accelerated scanning and stop-mode wake capability - eliminates need for external touch controller in human-machine interface designs |
| Flexible clock architecture | ICS with FLL and precision-trimmed internal reference allows reliable 20 MHz operation without external crystal - reduces BOM cost and board space in cost-sensitive industrial controls |
| High-drive GPIO | Eight pins rated for 20 mA sink/source drive enable direct LED or relay control without external drivers - simplifies schematics and improves reliability in automotive body electronics |
Applications
| Automotive Body Control Unit | Industrial Sensor Hub |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in 12 V vehicle platforms. 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 20 mA GPIO drives actuators directly; 16-channel ADC monitors multiple analog inputs; Stop3 mode extends battery life during vehicle sleep states. |
Use Scenario: Local data aggregation node collecting temperature, humidity, and vibration readings from distributed sensors in factory automation equipment. IC Role / Device Role / Timing Role: Edge-processing node performing local calibration, threshold detection, and buffered transmission via I²C or UART to gateway controller. Use Value: On-chip CRC ensures data integrity; TSI supports capacitive proximity sensing for operator presence detection; RTC enables time-stamped logging without external components. |
| Smart Appliance Control Panel | Medical Diagnostic Handheld |
Use Scenario: User interface and motor control subsystem in washing machines or HVAC systems with tactile buttons and display backlighting. IC Role / Device Role / Timing Role: HMI processor handling keyboard interrupts (KBI), driving LEDs via PWM (FTM), and communicating with main controller via SCI. Use Value: Two true open-drain pins interface safely with external level translators; 12-bit ADC measures thermistor-based temperature feedback with high resolution. |
Use Scenario: Portable diagnostic tool requiring low power, analog signal acquisition (ECG, SpO₂), and USB-to-SCI bridging for PC connectivity. IC Role / Device Role / Timing Role: Signal-conditioning and protocol translation MCU acquiring analog biometric data and formatting it for host transfer. Use Value: 12-bit ADC with internal bandgap reference ensures accurate measurements across temperature; LVD monitoring protects against data corruption during battery voltage sag. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9S08PT32VQH | Same core, memory, peripherals, and pinout; differs only in mask set revision (non-A vs. A version) | No functional difference; S9S08PT32VQH lacks the A-mask qualification for new designs per NXP documentation | Select MC9S08PT32AVQH for production releases requiring latest characterization and long-term availability assurance. |
| MC9S08PT60AVQH | Identical package, pinout, and peripheral set; differs in flash size (60 KB vs. 32 KB) and maximum ADC channel count (16 vs. 16 - same for VQH variant) | Enables larger firmware images and future feature expansion; identical I/O and timing behavior in existing designs | Choose MC9S08PT60AVQH when firmware growth headroom or field-upgrade capability is required without PCB change. |
Compared with MC9S08PT32AVQH, S9S08PT32VQH offers identical functionality but lacks A-mask qualification for new designs, while MC9S08PT60AVQH provides 28 KB more flash with zero pinout or software compatibility impact - making it a seamless capacity upgrade path.
Availability
MC9S08PT32AVQH is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor hubs, smart appliance control panels, and portable medical diagnostics requiring stable component supply and extended temperature operation.
Supply support for MC9S08PT32AVQH 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 applications, with deep expertise in microcontrollers and mixed-signal integration.
The MC9S08PT32AVQH belongs to NXP's S08PT family, designed specifically for cost-sensitive, high-reliability automotive body electronics and industrial control applications requiring integrated analog peripherals, ultra-low-power modes, and robust ESD/EMC performance.
FAQ
What is the maximum operating frequency and voltage range for the MC9S08PT32AVQH?
The MC9S08PT32AVQH operates at up to 20 MHz bus frequency across a supply voltage range of 2.7 V to 5.5 V, with full specification compliance over the industrial temperature range of –40 °C to 105 °C. This enables reliable deployment in under-hood automotive environments and mains-powered industrial equipment without derating.
Does the MC9S08PT32AVQH support in-circuit debugging, and what interface is used?
Yes, the MC9S08PT32AVQH supports in-circuit debugging via a single-wire background debug interface (BDM) using the PTA4/BKGD pin. It provides three hardware breakpoints and integrates an on-chip in-circuit emulator (ICE) module with two comparators and nine trigger modes - enabling full visibility into program flow and register states during development.
How many analog-to-digital converter (ADC) channels does the MC9S08PT32AVQH have, and what is its resolution?
The MC9S08PT32AVQH features a 16-channel, 12-bit successive-approximation ADC with 2.5 µs conversion time. It includes data buffers with optional watermark, automatic compare function, internal bandgap reference channel, and full operation in stop mode - making it suitable for high-accuracy sensor monitoring in power-constrained applications.
What low-power modes are available on the MC9S08PT32AVQH, and what is the lowest current consumption?
The MC9S08PT32AVQH supports multiple low-power modes including reduced-power wait and Stop3. In Stop3 mode with no clocks active except the 1 kHz LPO, supply current is 1.45 µA at 5 V and –40 °C to 105 °C. Peripheral-specific adders (e.g., +44 µA for ADC, +111 µA for TSI) allow precise power budgeting for wake-up-capable subsystems.
Is the MC9S08PT32AVQH pin-compatible with other members of the S08PT family, such as the MC9S08PT60AVQH?
Yes, the MC9S08PT32AVQH is fully pin-compatible with the MC9S08PT60AVQH in the 64-pin QFP (VQH) package. Both share identical pin assignments, electrical characteristics, peripheral mapping, and timing behavior - allowing direct substitution where flash capacity requirements permit, without PCB or schematic changes.
MC9S08PT32AVQH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-QFP
- 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:
- 57
- 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:
MC9S08PT32AVQH FAQ
1.How can I place an order for MC9S08PT32AVQH through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08PT32AVQH 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 MC9S08PT32AVQH reliable?
The price and inventory of MC9S08PT32AVQH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08PT32AVQH is usually 5 days.
3.What payment methods are accepted for MC9S08PT32AVQH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S08PT32AVQH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S08PT32AVQH?
MC9S08PT32AVQH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08PT32AVQH 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 MC9S08PT32AVQH?
For technical support, including MC9S08PT32AVQH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08PT32AVQH requirements.
6.How does Aetrix verify that MC9S08PT32AVQH is sourced from the original manufacturer or authorized distributors?
All MC9S08PT32AVQH 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 MC9S08PT32AVQH meets industry standards.
7.What is the process for return or replacement of MC9S08PT32AVQH?
All MC9S08PT32AVQH units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08PT32AVQH, 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 MC9S08PT32AVQH part is unused and in its original packaging.
Return procedure for MC9S08PT32AVQH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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