NXP Semiconductors MC9S08PL16SCTG

Overview

MC9S08PL16SCTG 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 dual FlexTimer modules (FTM0 and FTM2), a 12-channel 10-bit ADC with temperature sensor, I²C, SCI/UART with LIN support, analog comparator, RTC, and CRC engine - deployed in industrial sensor nodes and low-cost motor control systems.

For engineers reviewing the MC9S08PL16SCTG datasheet, MC9S08PL16SCTG pinout, MC9S08PL16SCTG application, or MC9S08PL16SCTG equivalent, key selection criteria include its 16-TSSOP package, stop3 mode current of 1.2 µA at 3 V, internal clock source with ±1% deviation over –40 °C to 85 °C, 18 GPIOs (including true open-drain PTB0), and background debug interface for in-circuit development.

Technical Context

The MC9S08PL16SCTG implements an S08 CPU core with four-level nested interrupt handling and up to 30 interrupt/reset sources. Its Internal Clock Source (ICS) uses a frequency-locked loop (FLL) with factory-trimmed internal reference (0.2% resolution), enabling stable 20 MHz bus operation without external crystal when configured in FEI mode.

System-level interconnect supports hardware-triggered peripheral coordination - e.g., ADC hardware trigger from FTM overflow or SCI RxD edge detection - reducing software overhead in real-time control loops. Power management includes Stop3 mode with selective peripheral clock gating and independent 1 kHz LPO for RTC wake-up, while watchdog, LVD, and illegal opcode detection provide robust fault containment.

Key Specifications

Pinout & Package

MC9S08PL16SCTG is packaged in a 16-pin Thin Shrink Small Outline Package (TSSOP) with 0.65 mm pitch, thermal resistance R_θJA = 130 °C/W (single-layer board).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit microcontroller applications.

Compared with MC9S08PL16SCTG, S9KEAZ128AMLH delivers 3× higher DMIPS but requires layout change and toolchain migration, while MC9RS08KA8CTG retains pin compatibility and debug interface but sacrifices advanced peripherals essential for real-time control and data integrity.

Availability

MC9S08PL16SCTG is available at Aetrix Electronics and suitable for industrial sensor nodes, BLDC motor controllers, smart meter front-ends, and home appliance control panels requiring stable component supply and long-term lifecycle support.

Supply support for MC9S08PL16SCTG 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, and IoT markets, with deep expertise in microcontrollers and mixed-signal integration.

The MC9S08PL series targets cost-sensitive, low-power embedded applications demanding high reliability and minimal external components - designed specifically for metering, motor control, and sensor interface roles in harsh environments.

FAQ

What is the maximum bus frequency supported by the MC9S08PL16SCTG?

The MC9S08PL16SCTG 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 +85 °C). This is achieved using the internal clock source (ICS) in FEI mode with FLL enabled, or via external crystal through the XOSC module. The device maintains timing compliance per Table 7 in the Rev. 3 datasheet under all specified conditions.

Does the MC9S08PL16SCTG support hardware debugging during runtime?

Yes, the MC9S08PL16SCTG includes a single-wire background debug interface (BDM) with full in-circuit emulation capability. It supports three hardware breakpoints, real-time register/memory inspection, and non-intrusive execution control - all accessible via the BKGD/MS pin without requiring additional debug headers or JTAG circuitry. This functionality is implemented in the on-chip ICE debug module.

How does the MC9S08PL16SCTG manage power in low-energy applications?

The MC9S08PL16SCTG offers multiple low-power modes, with Stop3 being the deepest active mode drawing just 1.2 µA at 3 V. In Stop3, the 1 kHz LPO clock remains active to drive the RTC and wake peripherals, while unused module clocks are gated via the PMC register. ADC, ACMP, and LVD can operate in this mode, enabling event-driven wake-up without CPU intervention.

Can the MC9S08PL16SCTG generate center-aligned PWM waveforms?

Yes, the MC9S08PL16SCTG's FTM2 module supports center-aligned PWM generation on all six channels. This is configured via the CPWMS bit in the FTMxSC register and enables symmetrical duty-cycle control critical for reduced EMI in motor drives and switching power supplies. The FTM2 counter operates as a 16-bit up-down counter synchronized to the bus clock or external TCLK input.

What analog features are integrated into the MC9S08PL16SCTG?

The MC9S08PL16SCTG integrates a 12-channel, 10-bit ADC with 2.5 µs conversion time, eight-level FIFO, automatic compare, and hardware trigger capability. It also includes an analog comparator (ACMP0) with selectable internal 6-bit DAC reference, plus a calibrated on-die temperature sensor (1.7 mV/°C) and internal bandgap reference channel - all operable in Stop3 mode.