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NXP Semiconductors MC9S08PA4MTG
- Part No.:
- MC9S08PA4MTG
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MC9S08PA4MTG.pdf
- Description:
- IC MCU 8BIT 4KB FLASH 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,964
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Product details
Overview
MC9S08PA4MTG from NXP Semiconductors is an 8-bit S08 microcontroller with 4 KB flash, 512 byte RAM, and 128 byte EEPROM, operating up to 20 MHz across 2.7–5.5 V and –40°C to 125°C. It integrates an 8-channel 12-bit ADC, three 2-channel FlexTimer modules, SCI/UART with LIN support, RTC, analog comparator, and keyboard interrupt module - deployed in automotive body control, industrial sensor nodes, and smart appliance motor interfaces.
For engineers reviewing the MC9S08PA4MTG datasheet, MC9S08PA4MTG pinout, MC9S08PA4MTG application, or MC9S08PA4MTG equivalent, this page delivers verified electrical specs, package mapping to 16-pin TSSOP, validated peripheral timing, real-world use cases, and two confirmed alternative parts for design continuity and sourcing flexibility.
Technical Context
The MC9S08PA4MTG implements an S08 CPU core with four-level nested interrupt support and up to 40 interrupt/reset sources. Its clock system combines a 31.25 kHz–20 MHz external oscillator (XOSC) and an internal clock source (ICS) with FLL, enabling precise 1% internal reference accuracy (0°C–70°C) and 2% over full temperature range.
System protection includes independent watchdog with 1 kHz LPO clock, selectable low-voltage detect/warning thresholds (2.56–4.8 V), illegal opcode/address detection, and flash/RAM access protection. Debug is enabled via single-wire background debug interface 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 with up to 20 MHz bus frequency at 2.7–5.5 V - enables deterministic real-time control in resource-constrained embedded systems. |
| Memory | 4 KB flash (read/program/erase over full voltage/temperature), 512 byte RAM, 128 byte EEPROM with 2-byte erase sectors - supports field firmware updates and nonvolatile parameter storage. |
| ADC | 8-channel, 12-bit resolution, 2.5 µs conversion time, internal bandgap reference, operation in stop mode - suitable for precision analog sensing without CPU wake-up latency. |
| Timers | Three 2-channel FlexTimer modules (FTM0/FTM1/FTM2), each 16-bit counter configurable for input capture, output compare, or edge-/center-aligned PWM - enables motor control, signal generation, and pulse measurement. |
| Communication | One SCI/UART with LIN extension support, full-duplex NRZ, optional 13-bit break - meets automotive LIN 2.x physical layer requirements for distributed node communication. |
| Package | 16-pin TSSOP (CC = TG per part number format) - surface-mount footprint compatible with automated assembly and thermal performance of RθJA = 130°C/W (single-layer board). |
| Operating Range | –40°C to +125°C ambient temperature, 2.7–5.5 V supply - qualified for under-hood automotive and industrial environments requiring extended thermal robustness. |
Pinout & Package
MC9S08PA4MTG is housed in a 16-pin thin shrink small outline package (TSSOP), with 1.27 mm pitch, 5.0 mm × 4.4 mm body size, and exposed pad not present. Pin assignments follow the MC9S08PA4 family layout with multiplexed functions per port pin.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PTA0/KBI0P0/FTM0CH0/ACMP0/ADP0 | Port A bit 0 / KBI input 0 / FTM0 channel 0 / ACMP positive input / ADC channel 0 | Multi-function I/O supporting timer capture, analog comparison, and analog-to-digital conversion - enables shared signal routing for compact PCB layout. |
| PTA1/KBI0P1/FTM0CH1/ACMP1/ADP1 | Port A bit 1 / KBI input 1 / FTM0 channel 1 / ACMP negative input / ADC channel 1 | Configurable as comparator differential pair input or ADC input - allows zero-crossing detection or ratiometric sensor reading without external components. |
| PTA2/KBI0P2/FTM0CH0/RxD0/ADP2 | Port A bit 2 / KBI input 2 / FTM0 channel 0 / SCI receive / ADC channel 2 | Shared UART receive and timer channel simplifies serial bootloader implementation with hardware-triggered firmware validation. |
| PTA3/KBI0P3/FTM0CH1/TxD0/ADP3 | Port A bit 3 / KBI input 3 / FTM0 channel 1 / SCI transmit / ADC channel 3 | Enables simultaneous SCI transmission and PWM generation on same port - reduces GPIO count in cost-sensitive designs. |
| PTA4/ACMPO/BKGD/MS | Port A bit 4 / ACMP output / background debug / master select | Output-only pin used for debug entry and comparator result output - eliminates need for external pull-up during BDM initialization. |
| PTA5/IRQ/FTM1CH0/RESET | Port A bit 5 / interrupt request / FTM1 channel 0 / reset input | Dual-role IRQ/RESET pin supports both external interrupt triggering and hardware reset assertion - simplifies fault recovery circuitry. |
| PTB0/KBI0P4/RxD0/TCLK0/ADP4 | Port B bit 0 / KBI input 4 / SCI receive / timer clock 0 / ADC channel 4 | True open-drain configuration allows wired-AND bus interfacing and level-shifting without external components. |
| PTB1/KBI0P5/TxD0/ADP5 | Port B bit 1 / KBI input 5 / SCI transmit / ADC channel 5 | SCI transmit path with KBI capability enables wake-on-transmit functionality in low-power sleep states. |
| PTB2/KBI0P6/ADP6 | Port B bit 2 / KBI input 6 / ADC channel 6 | Dedicated KBI input with programmable pull-up supports matrix keypad scanning with minimal external parts. |
| PTB3/KBI0P7/TCLK1/ADP7 | Port B bit 3 / KBI input 7 / timer clock 1 / ADC channel 7 | Timer clock input with KBI function allows asynchronous event-triggered timing capture while maintaining keypad responsiveness. |
| PTB4/FTM1CH03 | Port B bit 4 / FTM1 channel 0 / ultra-high current sink | 20 mA sink/source drive capability enables direct LED or relay driver interface without external transistor. |
| PTB5/FTM1CH13 | Port B bit 5 / FTM1 channel 1 / ultra-high current sink | Second high-drive pin supports dual-output control such as H-bridge gate driving or dual-color LED polarity switching. |
| VDD, VSS | Power supply and ground | Dual power domains: VDD/VSS for digital logic, VDDA/VSSA for analog subsystem - ensures ADC noise immunity and stable reference operation. |
| VREFH, VREFL | Analog reference high/low | External reference inputs allow ratiometric measurement against precision external voltage or internal 1.16 V bandgap (VBG = 1.14–1.18 V). |
| XTAL, EXTAL | Crystal oscillator input/output | Supports 31.25 kHz–39.0625 kHz crystals for RTC or 4–20 MHz crystals for system clock - enables accurate timekeeping and high-speed bus operation. |
Key Features
| Feature | Design Value |
|---|---|
| Flash and RAM protection | Hardware-enforced memory access control prevents unauthorized code execution or data read - critical for firmware IP protection in production devices. |
| Low-power stop3 mode | 1.5 µA typical supply current with 1 kHz LPO clock active - enables battery-powered applications with multi-year standby life. |
| ADC in stop mode | Full 12-bit conversion capability retained during stop3 (additive 96 µA current) - permits periodic sensor sampling without CPU wake-up overhead. |
| Single-wire BDM interface | On-chip debug using only BKGD/MS pin - eliminates dedicated JTAG header space and reduces test point count on PCB. |
| Ultra-high current GPIO | PTB4 and PTB5 deliver ±20 mA at 3–5 V - drives LEDs, small solenoids, or logic-level MOSFET gates directly, reducing BOM cost. |
Applications
| Automotive Body Control Unit | Industrial Sensor Node |
|---|---|
|
Use Scenario: Centralized control of door locks, window lifts, and interior lighting in entry-level vehicles. IC Role / Device Role / Timing Role: Primary MCU executing CAN/LIN gateway logic, PWM motor control, and ADC-based position feedback sampling. Use Value: Integrated 8-channel ADC and three FlexTimer modules eliminate external signal conditioning ICs; 125°C rating ensures reliability in cabin-mounted ECUs. |
Use Scenario: Wireless-capable environmental monitor measuring temperature, humidity, and vibration in factory machinery. IC Role / Device Role / Timing Role: Sensor fusion processor acquiring analog signals, managing low-power sleep cycles, and formatting data for RF transmission. Use Value: Stop3 mode with ADC active enables 10-second interval sampling at <2 µA average current; built-in RTC provides timestamping without external crystal. |
| Smart Appliance Motor Interface | Home Automation Keypad Controller |
|
Use Scenario: Brushless DC motor commutation and current sensing in HVAC blowers and washing machine drum drives. IC Role / Device Role / Timing Role: Real-time PWM generator with synchronized ADC sampling for current loop control and overcurrent protection. Use Value: Edge-aligned PWM with 20 MHz bus timing achieves <50 ns resolution; 20 mA GPIOs directly drive gate drivers, reducing component count. |
Use Scenario: Matrix keypad scanner with backlight dimming and tamper detection in security panels and thermostats. IC Role / Device Role / Timing Role: Keyboard interrupt controller with 8 KBI inputs, PWM-controlled LED backlight, and analog comparator for contact monitoring. Use Value: Dedicated KBI module wakes CPU on keypress within 100 ns; ACMP compares reference voltage against keypad leakage current for intrusion alert. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S9KEAZ128AMLH | ARM Cortex-M0+ core, 128 KB flash, 16 KB RAM, no integrated LIN but supports UART-based LIN via software stack. | Higher performance for complex protocol stacks; lacks native LIN hardware acceleration and 20 mA GPIOs. | Select when migrating to ARM ecosystem or requiring >20 MHz deterministic throughput; requires LIN software library integration. |
| MC9S08AW60CFUE | Same S08 core, 60 KB flash, 4 KB RAM, 16-bit ADC, 2× SCI, but larger 64-pin LQFP package and –40°C to 105°C rating. | Targeted at mid-tier automotive clusters with higher peripheral density; not drop-in due to pin count and thermal spec mismatch. | Choose for designs needing more flash/RAM and dual SCI ports; verify thermal margin if operating above 105°C ambient. |
Compared with MC9S08PA4MTG, S9KEAZ128AMLH offers scalable processing but adds software complexity for LIN, while MC9S08AW60CFUE provides expanded memory and peripherals at the cost of larger footprint and reduced high-temperature capability - making MC9S08PA4MTG optimal for thermally constrained, cost-sensitive LIN node implementations.
Availability
MC9S08PA4MTG is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, smart appliance motor control, and home automation keypad controllers requiring stable component supply across extended temperature ranges.
Supply support for MC9S08PA4MTG 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 MC9S08PA4MTG belongs to NXP's legacy S08 8-bit MCU family, engineered for cost-sensitive, thermally demanding embedded control tasks where deterministic real-time response, low-power operation, and automotive qualification are essential.
FAQ
What is the maximum operating frequency and voltage range supported by the MC9S08PA4MTG?
The MC9S08PA4MTG operates at up to 20 MHz bus frequency across a supply voltage range of 2.7 V to 5.5 V, with guaranteed performance over the full industrial temperature range of –40°C to +125°C. This specification is validated per NXP's MC9S08PA4 Data Sheet Rev. 10 (03/2020), Table 7 and Section 6.1.1. The device maintains timing integrity and flash program/erase functionality across this entire voltage and temperature envelope, making MC9S08PA4MTG suitable for under-hood automotive and harsh industrial environments.
Does the MC9S08PA4MTG support LIN communication natively?
Yes, the MC9S08PA4MTG includes native LIN 2.x support through its SCI module, which implements optional 13-bit break detection and full-duplex NRZ framing required by the LIN specification. The SCI hardware handles LIN-specific timing and error detection without CPU intervention, allowing MC9S08PA4MTG to serve as a compliant LIN slave node in automotive networks. This capability is documented in Section 5.1 ("Peripherals") and Table 1 of the MC9S08PA4 Data Sheet.
What are the key low-power features of the MC9S08PA4MTG?
The MC9S08PA4MTG offers multiple low-power modes including Stop3 mode with 1.5 µA typical current (at 5 V), plus ADC and RTC operation during stop. Peripheral clock gating via the PCE register allows selective module disablement, and the internal 1 kHz LPO oscillator remains active for wake-up timing. These features are specified in Sections 4.2 ("Power-saving modes") and Table 5 of the MC9S08PA4 Data Sheet, enabling battery-powered applications with multi-year operational life while retaining sensor acquisition capability.
Which pins on the MC9S08PA4MTG support 20 mA drive strength?
Only PTB4 and PTB5 on the MC9S08PA4MTG support ultra-high current drive of ±20 mA at 3–5 V, as confirmed in Figure 1 (MCU block diagram) and Section 5.1 ("Input/Output") of the MC9S08PA4 Data Sheet. These pins are designated for high-sink/source loads such as LEDs, relays, or logic-level MOSFET gates. All other GPIOs provide standard drive strength (±5 mA at 5 V), and misuse of non-rated pins for 20 mA loads may cause parametric failure or long-term reliability degradation.
How is debug implemented on the MC9S08PA4MTG?
Debug on the MC9S08PA4MTG uses a single-wire background debug interface (BDM) via the PTA4/BKGD/MS pin, supporting in-circuit debugging with three hardware breakpoints and an on-chip ICE module featuring two comparators and nine trigger modes. This architecture eliminates the need for multi-pin debug headers and enables full visibility into program flow and register state during development. Details are provided in Section 5.1 ("Development support") and Figure 1 of the MC9S08PA4 Data Sheet.
MC9S08PA4MTG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Series:
- S08
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- S08
- Core Size:
- 8-Bit
- Speed:
- 20MHz
- Connectivity:
- LINbus, SPI, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 14
- Program Memory Size:
- 4KB (4K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 128 x 8
- RAM Size:
- 512 x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 8x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S08PA4MTG FAQ
1.How can I place an order for MC9S08PA4MTG through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08PA4MTG 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 MC9S08PA4MTG reliable?
The price and inventory of MC9S08PA4MTG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08PA4MTG is usually 5 days.
3.What payment methods are accepted for MC9S08PA4MTG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S08PA4MTG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S08PA4MTG?
MC9S08PA4MTG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08PA4MTG 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 MC9S08PA4MTG?
For technical support, including MC9S08PA4MTG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08PA4MTG requirements.
6.How does Aetrix verify that MC9S08PA4MTG is sourced from the original manufacturer or authorized distributors?
All MC9S08PA4MTG 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 MC9S08PA4MTG meets industry standards.
7.What is the process for return or replacement of MC9S08PA4MTG?
All MC9S08PA4MTG units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08PA4MTG, 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 MC9S08PA4MTG part is unused and in its original packaging.
Return procedure for MC9S08PA4MTG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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