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NXP Semiconductors MC9S08PL16SCTJ
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- Part No.:
- MC9S08PL16SCTJ
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MC9S08PL16SCTJ.pdf
- Description:
- IC MCU 8BIT 16KB FLASH 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,078
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Product details
Overview
MC9S08PL16SCTJ from NXP Semiconductors is an 8-bit S08 core microcontroller with 16 KB flash, 1 KB RAM, and operation up to 20 MHz across 2.7–5.5 V supply range. It integrates ADC (12-channel, 10-bit), dual FTM modules (6+2 channels), SCI/I²C/ACMP/RTC/CRC peripherals, and supports LIN-capable UART. Used in industrial sensor nodes and low-cost motor control systems requiring embedded timing, analog sensing, and serial communication.
For engineers reviewing the MC9S08PL16SCTJ datasheet, MC9S08PL16SCTJ pinout, MC9S08PL16SCTJ application, or MC9S08PL16SCTJ equivalent, this page delivers verified specifications, validated package mapping (20-pin TSSOP), confirmed peripheral capabilities, and real-world use context - all derived from NXP's Rev. 3 (06/2020) official datasheet.
Technical Context
The MC9S08PL16SCTJ implements an S08 CPU core with nested interrupt support (up to four levels) and 30 interrupt/reset sources. Its clock system combines an internal frequency-locked-loop (ICS) with ±0.2% trimming resolution and external crystal oscillator (XOSC) supporting 4–20 MHz crystals or 31.25–39.0625 kHz resonators.
System-level protection includes independent watchdog clock, selectable low-voltage detect (LVD) thresholds (e.g., 4.3 V high-range trip), illegal opcode/address detection, and flash/RAM access protection. Peripheral interconnect enables hardware-triggered ADC conversions, SCI baud rate detection, and timer synchronization without CPU intervention.
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 | 16 KB on-chip flash (user-programmable), 1 KB RAM with access protection |
| ADC | 12-channel, 10-bit SAR ADC with 2.5 µs conversion time, FIFO, temperature sensor (1.7 mV/°C), and stop-mode operation |
| Timers | Two FTM modules: FTM2 (6-channel, 16-bit) and FTM0 (2-channel, backward-compatible with TPM); plus 8-bit modulo timer (MTIM0) |
| Communication | One SCI (LIN-capable UART), one I²C (400 kbps, multi-master, SMBus), and single-wire background debug interface |
| Supply Current | 1.3 µA typical in Stop3 mode; 4.44 mA typical in Run mode (FEI, all modules gated, 20 MHz, 5 V) |
| Operating Temp | -40 °C to +85 °C ambient; junction rated to +105 °C |
Pinout & Package
MC9S08PL16SCTJ is packaged in a 20-pin Thin Shrink Small Outline Package (TSSOP) with 0.65 mm pitch, JEDEC MO-153 compliant, thermal resistance RθJA = 116 °C/W (single-layer board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PTA0/KBI0P0/FTM0CH0/ACMP0IN0/ADP0 | Port A bit 0 / Keyboard interrupt / FTM0 channel 0 input / ACMP0 positive input / ADC channel 0 | Multi-function GPIO supporting analog input, timer capture, comparator input, and keyboard scan - requires software configuration for mode selection |
| PTA1/KBI0P1/FTM0CH1/ACMP0IN1/ADP1 | Port A bit 1 / Keyboard interrupt / FTM0 channel 1 input / ACMP0 negative input / ADC channel 1 | Shared analog/digital/timer resource enabling compact sensor interface design with minimal external components |
| PTA4/FTM0CH1O/ACMP0O/BKGD/MS | Port A bit 4 / FTM0 channel 1 output / ACMP0 output / Background debug / Master select | Output-only pin when used as port; critical for debug entry (BKGD low during power-up) and PWM generation |
| PTA5/IRQ/FTM0CH0/TCLK0/RESET | Port A bit 5 / Interrupt request / FTM0 channel 0 input / Timer clock / Reset input | Combines reset assertion, external interrupt, and timer clock source - RESET must be held low ≥1.5×tcyc for reliable reset |
| PTB0/KBI0P4/RxD0/ADP4 | Port B bit 0 / Keyboard interrupt / SCI0 receive / ADC channel 4 | True open-drain output capability allows direct wired-AND bus connection; supports SCI0 RX with internal pull-up enabled |
| VDD, VSS | Power supply and ground | Dual power domains: VDD/VSS for digital logic; VDDA/VSSA for analog subsystem (ADC, ACMP, bandgap reference) |
Key Features
| Feature | Design Value |
|---|---|
| Internal Clock Source (ICS) | FLL-controlled oscillator with factory-trimmed internal reference (±0.2% resolution), enabling stable 20 MHz operation without external crystal |
| Low-Power Operation | Stop3 mode draws only 1.3 µA (typical); peripheral clocks can be selectively disabled via PMC register to reduce active current |
| Analog Integration | On-chip 1.16 V bandgap reference (±20 mV), 1.7 mV/°C temperature sensor, and 6-bit DAC for ACMP reference - eliminates external analog components |
| Hardware Triggering | Direct module-to-module interconnect (e.g., SCI RxD → ADC trigger, FTM overflow → RTC capture) reduces CPU overhead and latency |
| Debug & Development | Single-wire background debug interface with three breakpoints and on-chip ICE module supports real-time trace and trigger-based debugging |
Applications
| Industrial Sensor Node | Smart Thermostat Control |
|---|---|
Use Scenario: Battery-powered environmental monitoring unit measuring temperature, humidity, and air quality with periodic wireless transmission. IC Role / Device Role / Timing Role: Central controller managing ADC sampling, I²C sensor reads, SCI-based sub-GHz radio interface, and RTC-driven wake-up scheduling. Use Value: Stop3 mode (1.3 µA) extends battery life; integrated temperature sensor and bandgap reference eliminate calibration components; LIN-capable SCI simplifies firmware updates over shared bus. |
Use Scenario: Residential HVAC control panel with local display, push-button inputs, and relay-driven heating/cooling stages. IC Role / Device Role / Timing Role: System MCU handling KBI matrix scanning, FTM-driven fan speed PWM, ACMP-based voltage monitoring, and RTC calendar/timekeeping. Use Value: True open-drain PTB0 enables safe interfacing with 24 V AC relay drivers; 8-key KBI supports full keypad without external decoder; 10-bit ADC resolves thermistor curves with <1°C error. |
| Brushless DC Motor Starter | Energy Meter Front-End |
Use Scenario: Low-cost BLDC motor starter for small appliances using hall-effect sensors and six-step commutation. IC Role / Device Role / Timing Role: Real-time commutation controller synchronizing FTM2 outputs (6-channel PWM) with hall sensor inputs (PTC0–PTC3) and ADC-based current sensing. Use Value: Hardware-triggered ADC sampling on FTM2 overflow ensures precise current measurement at commutation edges; 20 MHz bus enables sub-microsecond timing resolution for 30 kHz PWM. |
Use Scenario: Utility-grade electricity meter front-end acquiring voltage/current waveforms and computing RMS, harmonics, and energy totals. IC Role / Device Role / Timing Role: Analog acquisition engine performing simultaneous 12-channel ADC sampling, CRC-16 checksumming of data buffers, and I²C communication with metrology ASIC. Use Value: 12-channel ADC with FIFO and watermark interrupt minimizes CPU polling; CRC module offloads checksum calculation from CPU; LVD detection prevents corruption during brown-out events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S08PL8SCTJ | Same package and pinout; 8 KB flash (vs. 16 KB), identical peripherals and clock architecture | Suitable for cost-sensitive designs with smaller firmware footprint and reduced ADC channel count (8 vs. 12) | Select when application code size fits within 8 KB and fewer analog inputs are required - no PCB change needed |
| S9KEAZ128AMLH | ARM Cortex-M0+ core, 128 KB flash, 16 KB RAM, higher performance but larger 64-pin LQFP package | Targets upgraded systems needing CAN, USB, or floating-point math; not pin-compatible | Choose for future-proofing or migration paths requiring higher throughput - requires new layout and firmware rearchitecture |
Compared with MC9S08PL16SCTJ, MC9S08PL8SCTJ offers identical functionality at lower memory cost and same footprint, while S9KEAZ128AMLH provides architectural scalability at the expense of compatibility and component count - making MC9S08PL16SCTJ optimal for stable, cost-constrained 8-bit control.
Availability
MC9S08PL16SCTJ is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat control, brushless DC motor starters, and energy meter front-ends requiring stable component supply across extended product lifecycles.
Supply support for MC9S08PL16SCTJ 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 focused on secure connectivity solutions for automotive, industrial, IoT, and mobile applications, with deep expertise in microcontrollers and mixed-signal integration.
The MC9S08PL16SCTJ belongs to NXP's S08PL family - designed specifically for cost-sensitive, low-power embedded control applications demanding robust analog integration, flexible timing, and long-term supply stability in industrial environments.
FAQ
What is the maximum operating frequency and voltage range for the MC9S08PL16SCTJ?
The MC9S08PL16SCTJ 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 -40 °C to +85 °C ambient temperature range. Its internal ICS module achieves this with factory-trimmed FLL control, eliminating need for external crystal in many applications. The MC9S08PL16SCTJ maintains timing integrity and peripheral functionality across this entire voltage and temperature envelope per NXP Rev. 3 datasheet.
Does the MC9S08PL16SCTJ support hardware debugging, and what interface is used?
Yes, the MC9S08PL16SCTJ features a single-wire background debug interface (BKGD) supporting in-circuit debugging with three configurable breakpoints and full on-chip ICE functionality. Debug entry requires holding BKGD/MS (PTA4) low during power-up and maintaining it for tMSH ≥100 ns after VDD exceeds LVD threshold. The MC9S08PL16SCTJ does not require JTAG; its debug protocol uses standard UART-level signaling on a dedicated pin.
How many ADC channels does the MC9S08PL16SCTJ have, and what is their resolution and speed?
The MC9S08PL16SCTJ integrates a 12-channel, 10-bit successive approximation register (SAR) ADC with 2.5 µs typical conversion time. It supports eight-level FIFO buffering, automatic compare functions, hardware triggering (e.g., from FTM overflow), and operation in Stop3 mode. Each channel maps to dedicated pins (ADP0–ADP11), and the MC9S08PL16SCTJ includes an internal temperature sensor and bandgap reference channel for self-calibration.
What low-power modes are available on the MC9S08PL16SCTJ, and what is the lowest current draw?
The MC9S08PL16SCTJ offers multiple low-power states including Wait mode and Stop3 mode. In Stop3 mode - where only the 1 kHz LPO clock remains active - the MC9S08PL16SCTJ draws just 1.3 µA (typical) at 5 V and 25 °C. Additional current adders apply for enabled peripherals: +85 µA for ADC, +126 µA for LVD monitoring. All modes retain RAM content and support wake-up via IRQ, KBI, or RTC.
Is the MC9S08PL16SCTJ pin-compatible with other devices in the S08PL family?
Yes, the MC9S08PL16SCTJ in 20-pin TSSOP (CTJ suffix) shares identical pinout and electrical characteristics with MC9S08PL8SCTJ and MC9S08PL16SCSC1 (8-pin SOIC), enabling drop-in replacement where flash size or package constraints allow. Pin assignments for PTA0–PTA5, PTB0–PTB7, PTC0–PTC3, and all power/ground/debug signals match exactly across CTJ variants per NXP's pin multiplexing table in Rev. 3 datasheet.
MC9S08PL16SCTJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 20-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, SCI, UART/USART
- Peripherals:
- LVD, POR, PWM
- Number of I/O:
- 18
- Program Memory Size:
- 16KB (16K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 256 x 8
- RAM Size:
- 1K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 12x10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S08PL16SCTJ FAQ
1.How can I place an order for MC9S08PL16SCTJ through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08PL16SCTJ 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 MC9S08PL16SCTJ reliable?
The price and inventory of MC9S08PL16SCTJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08PL16SCTJ is usually 5 days.
3.What payment methods are accepted for MC9S08PL16SCTJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S08PL16SCTJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S08PL16SCTJ?
MC9S08PL16SCTJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08PL16SCTJ 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 MC9S08PL16SCTJ?
For technical support, including MC9S08PL16SCTJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08PL16SCTJ requirements.
6.How does Aetrix verify that MC9S08PL16SCTJ is sourced from the original manufacturer or authorized distributors?
All MC9S08PL16SCTJ 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 MC9S08PL16SCTJ meets industry standards.
7.What is the process for return or replacement of MC9S08PL16SCTJ?
All MC9S08PL16SCTJ units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08PL16SCTJ, 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 MC9S08PL16SCTJ part is unused and in its original packaging.
Return procedure for MC9S08PL16SCTJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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