NXP Semiconductors MC9S08PA32AVLCR
- Part No.:
- MC9S08PA32AVLCR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
MC9S08PA32AVLCR.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 32LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,650
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Product details
Overview
MC9S08PA32AVLCR from NXP Semiconductors is an 8-bit S08 core microcontroller designed for cost-sensitive industrial and automotive control applications. It features 32 KB on-chip flash, 4 KB RAM, 256 B EEPROM, 16-channel 12-bit ADC with stop-mode operation, and three FlexTimer modules (6+2+2 channels) supporting PWM, input capture, and output compare. It operates from 2.7 V to 5.5 V across –40 °C to 105 °C.
For engineers reviewing the MC9S08PA32AVLCR datasheet, MC9S08PA32AVLCR pinout, MC9S08PA32AVLCR application, or MC9S08PA32AVLCR equivalent, this page delivers verified specifications, validated package mapping (32-pin LQFP), confirmed peripheral set (SCI×3, I²C, SPI×2, RTC, CRC, ACMP), and two technically documented alternative parts for functional substitution in embedded control designs.
Technical Context
The MC9S08PA32AVLCR implements an enhanced HCS08 CPU core with four-level nested interrupt support and up to 40 interrupt/reset sources. Its clock system integrates a precision internal clock source (ICS) with FLL and factory-trimmed reference, enabling stable 20 MHz bus operation across full temperature range with ≤2% deviation.
System-level protection includes independent watchdog timer, programmable low-voltage detect (LVD) with four warning thresholds and hysteresis, illegal opcode/address detection, and flash/RAM access control. Power management supports Stop3 mode with <1.45 µA typical supply current and selective peripheral clock gating via PMC register.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | 8-bit S08 CPU with 20 MHz max bus frequency at 2.7–5.5 V |
| Flash Memory | 32 KB user flash with read/program/erase over full voltage/temperature range |
| RAM | 4 KB on-chip RAM; retains data down to 2.0 V (VRAM = 2.0 V) |
| ADC | 16-channel, 12-bit resolution; 2.5 µs conversion time; supports hardware trigger and operation in Stop3 mode |
| Timers | Three FTM modules (6+2+2 channels); 16-bit counters; configurable for PWM, input capture, output compare |
| Communication | SCI×3 (LIN-capable), I²C×1 (400 kbps), SPI×2 (8-bit + 16-bit), CRC module |
| Supply Current (Stop3) | 1.45 µA typical at 5 V; increases by 44 µA with ADC active, 130 µA with LVD enabled |
Pinout & Package
MC9S08PA32AVLCR is housed in a 32-pin LQFP (7 × 7 mm, 0.8 mm pitch) package with 28 GPIOs, including two true open-drain outputs (PTA2, PTA3), eight ultra-high-current sink pins (20 mA), and dedicated debug pin (BKGD/MS).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PTA0/KBI0P0/FTM0CH0/ACMP0/ADP0 | Port A bit 0 / Keyboard interrupt / FTM0 channel 0 / Analog comparator 0 / ADC channel 0 | Multi-function pin supporting GPIO, interrupt wake-up, PWM output, analog comparison, and analog input |
| PTA4/ACMPO/BKGD/MS | Analog comparator output / Background debug / Master select | Output-only pin; primary debug interface for single-wire BDM; enables in-circuit programming and breakpoint debugging |
| PTA5/IRQ/TCLK0/RESET | Interrupt request / Timer clock / Reset input | Active-low reset pin with internal pullup; accepts asynchronous IRQ or external timer clock input |
| PTB0/KBI0P4/RxD0/ADP4 | Port B bit 0 / Keyboard interrupt / SCI0 receive / ADC channel 4 | Configurable as serial input, analog input, or wake-up source; supports noise filtering in KBI mode |
| VDD, VSS | Power supply and ground | Dual power domains: VDD/VSS for digital logic; VDDA/VSSA for analog peripherals (ADC, ACMP, bandgap) |
Key Features
| Feature | Design Value |
|---|---|
| Flash endurance & security | 100,000 program/erase cycles; flash protection via FPROT register prevents unauthorized read/write |
| Low-power operation | Stop3 mode with 1.45 µA typical current; peripheral clocks selectively disabled while retaining RTC, LVD, and ADC wakeup capability |
| Robust clocking | ICS with FLL and internal reference trimmed to ±1% (0–70 °C) and ±2% (–40–105 °C); supports crystal (4–20 MHz) or ceramic resonator (31.25–39.0625 kHz) |
| Debug & development | Single-wire background debug interface (BDM); three hardware breakpoints; on-chip ICE module with two comparators and nine trigger modes |
| GPIO flexibility | 28 GPIOs with programmable pullups (30–50 kΩ), slew-rate control, and ultra-high-current drive (20 mA) on eight pins |
Applications
| Motor Control | Automotive Body Electronics |
|---|---|
|
Use Scenario: Brushless DC motor commutation and speed regulation in HVAC blowers or power seat actuators. IC Role / Device Role / Timing Role: Real-time PWM generation via FTM modules, ADC-based current sensing, and LIN-compliant SCI communication with body control module. Use Value: 20 MHz deterministic timing ensures precise 10–20 kHz PWM carrier frequency; 12-bit ADC resolves current ripple below 10 mA; LIN support enables direct integration into vehicle network without gateway. |
Use Scenario: Centralized door module managing window lift, mirror fold, and interior lighting with fault diagnostics. IC Role / Device Role / Timing Role: System controller executing safety-critical state machines, monitoring switch inputs via KBI, driving relays/LEDs with high-sink GPIOs, and reporting faults over I²C to master ECU. Use Value: Eight 20 mA sink pins directly drive indicator LEDs and small relays; KBI supports debounced wake-on-keypress; LVD with four trip points enables graded brownout response before shutdown. |
| Industrial Sensor Node | Appliance Control Unit |
|
Use Scenario: Battery-powered environmental sensor node measuring temperature, humidity, and air quality with wireless telemetry. IC Role / Device Role / Timing Role: Low-power system manager sampling sensors via ADC and ACMP, storing calibration data in EEPROM, and waking periodically via RTC to transmit via UART-connected radio. Use Value: Stop3 current of 1.45 µA extends 2000 mAh battery life to >10 years in sleep; EEPROM retains calibration across power cycles; ACMP enables zero-power threshold detection for wake events. |
Use Scenario: Main control board in washing machine managing motor drive, water valve sequencing, and user interface. IC Role / Device Role / Timing Role: Primary MCU coordinating multi-stage wash cycles, interpreting encoder feedback, detecting door latch status, and driving display segments via GPIO multiplexing. Use Value: Three SCI interfaces allow simultaneous communication with inverter driver, touch panel, and diagnostic port; CRC module validates firmware updates; watchdog with independent clock prevents lockup during detergent dispensing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9KEAZN32ACLH | ARM Cortex-M0+ core; 32 KB flash; 4 KB RAM; same 32-pin LQFP; no FTM but includes TPM and DAC | Lacks FTM's 6-channel PWM but adds 12-bit DAC for analog waveform generation; higher code density and interrupt latency | Select when migrating to ARM ecosystem or requiring DAC; avoid if legacy S08 toolchain or FTM-specific PWM topology is required |
| MC9S08PA60VLCR | Same family, pin-compatible; 60 KB flash, 16-channel ADC (vs. 12-channel in 32-pin variant), 57 GPIOs (vs. 28) | Enables larger firmware (e.g., OTA updates) and more sensor inputs; requires PCB redesign only if extra GPIOs are used | Select when future-proofing flash headroom or expanding I/O count; identical debug, clock, and peripheral architecture simplifies migration |
Compared with MC9S08PA32AVLCR, S9KEAZN32ACLH offers modern ARM architecture but sacrifices FTM PWM flexibility, while MC9S08PA60VLCR provides direct scalability within the same toolchain and pinout-making it ideal for incremental feature upgrades without hardware rework.
Availability
MC9S08PA32AVLCR is available at Aetrix Electronics and suitable for motor control, automotive body electronics, industrial sensor nodes, and appliance control units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MC9S08PA32AVLCR 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, RF, and analog technologies.
The MC9S08PA series targets cost-optimized, robust 8-bit control in harsh environments-designed specifically for automotive body electronics, industrial automation, and white goods where reliability, low power, and proven toolchain support are critical.
FAQ
What is the maximum operating frequency of the MC9S08PA32AVLCR?
The MC9S08PA32AVLCR 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 105 °C). This is achieved using either the internal clock source (ICS) with FLL or an external crystal/resonator, with timing guaranteed per Table 7 in the official datasheet Rev. 4 (09/2019).
Does the MC9S08PA32AVLCR support in-circuit debugging?
Yes, the MC9S08PA32AVLCR includes a single-wire background debug interface (BDM) accessible via the PTA4/BKGD/MS pin. It supports three hardware breakpoints, real-time memory/register inspection, and flash programming-all without requiring additional debug hardware beyond a standard BDM pod. The on-chip ICE module provides advanced trigger capabilities for complex debugging scenarios.
What are the key differences between MC9S08PA32AVLCR and MC9S08PA60VLCR?
The MC9S08PA32AVLCR and MC9S08PA60VLCR share identical pinout (32-pin LQFP), core architecture, and peripheral set-but differ in flash size (32 KB vs. 60 KB), ADC channel count (16 vs. 12 in 32-pin packages per Table 1), and total GPIO count (28 vs. 57). Both operate at 20 MHz and support the same voltage/temperature range, making MC9S08PA60VLCR a drop-in upgrade for firmware growth.
Can the MC9S08PA32AVLCR operate in low-power modes with ADC active?
Yes, the MC9S08PA32AVLCR supports ADC conversions in Stop3 mode when configured with ADLPC = 1, ADLSMP = 1, and MODE = 10B. In this configuration, the ADC draws only 44 µA additional current (typical at 5 V), enabling periodic sensor sampling without exiting low-power state-critical for battery-operated industrial nodes.
What package type and dimensions does the MC9S08PA32AVLCR use?
The MC9S08PA32AVLCR uses a 32-pin LQFP package (code "LC") measuring 7 mm × 7 mm with 0.8 mm lead pitch. Pin 1 is marked by a dot or bevelled corner; thermal pad is not present. This package is RoHS-compliant and rated for moisture sensitivity level (MSL) 3 per J-STD-020, requiring bake prior to reflow if exposed beyond floor life.
MC9S08PA32AVLCR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-LQFP
- Series:
- S08
- Packaging:
- Tape & Reel (TR)
- 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:
- 28
- 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 12x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S08PA32AVLCR FAQ
1.How can I place an order for MC9S08PA32AVLCR through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08PA32AVLCR 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 MC9S08PA32AVLCR reliable?
The price and inventory of MC9S08PA32AVLCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08PA32AVLCR is usually 5 days.
3.What payment methods are accepted for MC9S08PA32AVLCR?
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MC9S08PA32AVLCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08PA32AVLCR 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 MC9S08PA32AVLCR?
For technical support, including MC9S08PA32AVLCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08PA32AVLCR requirements.
6.How does Aetrix verify that MC9S08PA32AVLCR is sourced from the original manufacturer or authorized distributors?
All MC9S08PA32AVLCR 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 MC9S08PA32AVLCR meets industry standards.
7.What is the process for return or replacement of MC9S08PA32AVLCR?
All MC9S08PA32AVLCR units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08PA32AVLCR, 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 MC9S08PA32AVLCR part is unused and in its original packaging.
Return procedure for MC9S08PA32AVLCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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