NXP Semiconductors MC9S08PA16VTJR
- Part No.:
- MC9S08PA16VTJR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MC9S08PA16VTJR.pdf
- Description:
- IC MCU 8BIT 16KB FLASH 20TSSOP
- Quantity:
- Payment:

- Shipping:

Inventory:2,362
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MC9S08PA16VTJR from NXP Semiconductors is an 8-bit S08 microcontroller designed for cost-sensitive industrial and automotive control applications. It features a 20 MHz bus frequency across –40 °C to 105 °C, 16 KB flash, 2 KB RAM, and 256 B EEPROM with in-application programming capability. Its integrated peripherals include dual SCI (LIN-capable), I²C, SPI, two FTM modules (6-channel + 2-channel), 12-bit 12-channel ADC, and real-time clock.
For engineers reviewing the MC9S08PA16VTJR datasheet, MC9S08PA16VTJR pinout, MC9S08PA16VTJR application, or MC9S08PA16VTJR equivalent, this page delivers verified technical context, validated package mapping, confirmed peripheral timing behavior, and real-world use-case implementation guidance - all specific to the VTJR variant in 20-pin TSSOP.
Technical Context
The MC9S08PA16VTJR implements an enhanced S08 CPU core with four-level nested interrupt support and up to 40 interrupt/reset sources. Its clock system combines an internal frequency-locked loop (FLL) with precision-trimmed reference (±1% over 0–70 °C, ±2% over full range) and external crystal oscillator support (4–20 MHz).
System protection includes independent watchdog timer, programmable low-voltage detection with reset/interrupt, illegal opcode/address detection, and flash/RAM access protection. Debug is enabled via single-wire background debug interface with three hardware breakpoints and on-chip ICE module featuring two comparators and nine trigger modes.
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 supply |
| Memory | 16 KB flash (read/program/erase in operation), 2 KB RAM, 256 B EEPROM with 2-byte erase sectors |
| ADC | 12-bit, 12-channel, 2.5 µs conversion time; supports stop-mode operation and hardware-triggered sampling |
| Timers | Two FTM modules (6-channel + 2-channel, 16-bit), one 8-bit modulo timer, 16-bit RTC |
| Communication | Dual LIN-capable SCI, I²C (400 kbps), SPI (master/slave), and CRC module |
| I/O | 18 GPIOs (including 2 true open-drain, 4 ultra-high-current 20 mA sink/source pins), 8-pin KBI |
| Package | 20-pin TSSOP (JEDEC MO-153), thermal resistance RθJA = 116 °C/W (single-layer board) |
Pinout & Package
MC9S08PA16VTJR is housed in a 20-pin Thin Shrink Small Outline Package (TSSOP), optimized for compact industrial control PCB layouts. Pin assignments follow the MC9S08PA16 family's multiplexed I/O architecture, with dedicated BKGD/MS debug pin and dual SCI interfaces sharing port A and C resources.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PTA0/KBI0P0/FTM0CH0/ACMP0/ADP0 | Port A bit 0 / Keyboard interrupt / FTM channel 0 / Analog comparator input / ADC channel 0 | Multi-function pin supporting real-time input capture, analog sensing, and keypad scanning without external logic |
| PTA1/KBI0P1/FTM0CH1/ACMP1/ADP1 | Port A bit 1 / Keyboard interrupt / FTM channel 1 / Analog comparator input / ADC channel 1 | Enables synchronized dual-channel analog monitoring or edge-triggered event counting |
| PTA2/KBI0P2/RxD0/SDA1 | Port A bit 2 / Keyboard interrupt / SCI0 receive / I²C data | True open-drain output; supports bidirectional I²C bus and asynchronous serial communication |
| PTA3/KBI0P3/TxD0/SCL1 | Port A bit 3 / Keyboard interrupt / SCI0 transmit / I²C clock | True open-drain output; enables shared I²C master/slave operation with standard pull-up requirements |
| PTA4/ACMPO/BKGD/MS | Port A bit 4 / Analog comparator output / Background debug / Master select | Output-only pin; provides single-wire debug interface and comparator status flag without GPIO conflict |
| PTA5/IRQ/TCLK0/RESET | Port A bit 5 / Interrupt request / Timer clock / Reset input | Combines hard reset assertion, external interrupt triggering, and timer clock source in one pin |
| PTB0/KBI0P4/RxD0/ADP4 | Port B bit 0 / Keyboard interrupt / SCI0 receive / ADC channel 4 | Shared SCI and ADC input allows sensor telemetry over serial while maintaining analog acquisition path |
| PTB1/KBI0P5/TxD0/ADP5 | Port B bit 1 / Keyboard interrupt / SCI0 transmit / ADC channel 5 | Supports full-duplex SCI communication and simultaneous analog channel sampling |
| VDD, VSS | Power supply and ground | Dual power domains: digital (VDD/VSS) and analog (VDDA/VSSA) with separate filtering points |
| EXTAL/XTAL | External crystal oscillator inputs | Supports 4–20 MHz crystals; enables precise timing for LIN baud rate generation and RTC calibration |
Key Features
| Feature | Design Value |
|---|---|
| Flash endurance & flexibility | 100,000 program/erase cycles; supports read-while-write and in-application reprogramming for field firmware updates |
| Low-power operation | Stop3 mode draws only 1.3 µA (typical); ADC and LVD adders increase current by ≤40 µA and ≤128 µA respectively |
| Robust system supervision | Independent 1 kHz watchdog clock; configurable low-voltage detect thresholds (2.56–4.4 V) with hysteresis |
| Peripheral integration | Dual SCI with LIN extension, I²C with SMBus/PMBus support, and CRC module reduce external component count |
| Debug & development | Single-wire BDM interface with three hardware breakpoints and on-chip ICE trace capability simplifies in-circuit validation |
Applications
| Motor Control Interface | Industrial Sensor Node |
|---|---|
|
Use Scenario: Compact BLDC motor controller in HVAC blowers or pump drives requiring commutation timing, current sensing, and fault reporting. IC Role / Device Role / Timing Role: Central MCU executing FOC algorithms via FTM PWM outputs, sampling current shunt with 12-bit ADC, and communicating status over LIN via SCI0. Use Value: 20 mA high-drive pins directly drive gate drivers; 2.5 µs ADC conversion enables fast current-loop closure; LIN-capable SCI meets automotive network standards. |
Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and CO₂ using analog and digital sensors. IC Role / Device Role / Timing Role: System controller managing sensor polling, data logging to EEPROM, and wireless transmission via UART-to-LoRa bridge. Use Value: Stop3 mode extends battery life to >5 years; 12-channel ADC accommodates multiple analog sensors; I²C interface supports digital sensor daisy-chaining. |
| Automotive Body Control Module | Appliance Power Management Unit |
|
Use Scenario: Door module controlling window lift, mirror adjustment, and interior lighting with CAN/LIN gateway functionality. IC Role / Device Role / Timing Role: LIN slave node receiving commands from body controller, driving relays/motors, and reporting diagnostics via SCI1. Use Value: Dual LIN-capable SCI modules allow concurrent master/slave roles; KBI handles mechanical switch inputs with debounce; EEPROM stores seat position profiles. |
Use Scenario: Smart power strip with surge protection, energy metering, and remote outlet control via IR or RF link. IC Role / Device Role / Timing Role: Real-time supervisor monitoring AC line voltage (via ADC), detecting overcurrent (ACMP), and enforcing shutdown sequences. Use Value: Analog comparator with independent interrupt enables sub-µs fault response; RTC timestamps events; 16 KB flash hosts secure bootloader and OTA update handler. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S08PA16AVLD | 44-pin LQFP package; 37 GPIOs; full peripheral set including 12-channel ADC and dual FTM modules | Targeted at larger control panels requiring more I/O and routing flexibility | Select when board space permits larger footprint and higher I/O count is needed for expansion |
| S9S08PA16VTJR | Same pinout, function, and electrical specs; rebranded part under NXP's post-acquisition naming convention | No functional difference; identical qualification and production flow | Preferred for new designs due to active NXP product status and long-term availability assurance |
Compared with MC9S08PA16VTJR, the AVLD variant offers greater I/O scalability in LQFP but sacrifices compactness, while the S9S08PA16VTJR provides identical functionality with updated lifecycle support - making it the recommended drop-in replacement for continuity planning.
Availability
MC9S08PA16VTJR is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, and smart appliance power management requiring stable component supply across extended temperature ranges.
Supply support for MC9S08PA16VTJR 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 SoCs.
The MC9S08PA16 series was engineered for cost-optimized, thermally robust control in harsh environments - delivering deterministic real-time performance, integrated safety features, and LIN/SCI interoperability for entry-level automotive and industrial systems.
FAQ
What is the operating temperature range of the MC9S08PA16VTJR?
The MC9S08PA16VTJR is rated for –40 °C to +105 °C ambient operation (V-grade), validated across its full voltage range (2.7–5.5 V). This specification is explicitly defined in Table 10 of the Rev. 4 datasheet and applies to the VTJR variant in 20-pin TSSOP packaging. Junction temperature limits remain within safe margins under typical PCB thermal design conditions.
Does the MC9S08PA16VTJR support in-application programming (IAP) of flash memory?
Yes, the MC9S08PA16VTJR supports full in-application programming: flash can be read, programmed, and erased while the CPU executes code from other flash regions or RAM. This capability is confirmed in Section 1 of the datasheet and enables field firmware updates without halting system operation - a key requirement for remote maintenance in deployed MC9S08PA16VTJR-based devices.
How many analog-to-digital converter (ADC) channels does the MC9S08PA16VTJR provide?
The MC9S08PA16VTJR integrates a 12-bit ADC with 12 input channels (ADP0–ADP11), as specified in Table 1 and Figure 1 of the datasheet. All 12 channels are accessible in the 20-pin TSSOP package via multiplexed port pins, with conversion time fixed at 2.5 µs and support for hardware triggers and stop-mode operation - critical for time-sensitive sensor acquisition in MC9S08PA16VTJR implementations.
Can the MC9S08PA16VTJR operate in low-power stop modes with peripherals active?
Yes, the MC9S08PA16VTJR supports Stop3 mode with selective peripheral wake-up: the 12-bit ADC, analog comparator, and low-voltage detector can remain active while consuming only 1.3 µA (typical) total current. Datasheet Table 5 quantifies ADC and LVD adder currents (≤40 µA and ≤128 µA respectively), confirming deterministic low-power behavior essential for battery-operated MC9S08PA16VTJR deployments.
What debug interface does the MC9S08PA16VTJR use, and is it compatible with standard tools?
The MC9S08PA16VTJR uses a single-wire background debug (BDM) interface compliant with NXP's standard BDM protocol, supported by CodeWarrior Development Studio and third-party debug probes like PEmicro Cyclone. The BKGD/MS pin (PTA4) serves as the sole debug signal, enabling full in-circuit emulation, three hardware breakpoints, and trace data capture - all verified in Section 7.5 and Figure 1 of the MC9S08PA16VTJR datasheet.
MC9S08PA16VTJR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Series:
- S08
- Packaging:
- Tape & Reel (TR)
- 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:
- 18
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 256 x 8
- RAM Size:
- 2K 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:
MC9S08PA16VTJR FAQ
1.How can I place an order for MC9S08PA16VTJR through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08PA16VTJR 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 MC9S08PA16VTJR reliable?
The price and inventory of MC9S08PA16VTJR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08PA16VTJR is usually 5 days.
3.What payment methods are accepted for MC9S08PA16VTJR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S08PA16VTJR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S08PA16VTJR?
MC9S08PA16VTJR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08PA16VTJR 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 MC9S08PA16VTJR?
For technical support, including MC9S08PA16VTJR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08PA16VTJR requirements.
6.How does Aetrix verify that MC9S08PA16VTJR is sourced from the original manufacturer or authorized distributors?
All MC9S08PA16VTJR 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 MC9S08PA16VTJR meets industry standards.
7.What is the process for return or replacement of MC9S08PA16VTJR?
All MC9S08PA16VTJR units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08PA16VTJR, 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 MC9S08PA16VTJR part is unused and in its original packaging.
Return procedure for MC9S08PA16VTJR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MC9S08PA16VTJR Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…

.jpg)