NXP Semiconductors MC9S08PA16VLC

Overview

MC9S08PA16VLC from NXP Semiconductors is an 8-bit S08 core microcontroller designed for cost-sensitive industrial and automotive control applications. It delivers 20 MHz bus operation across –40 °C to +105 °C, integrates 16 KB flash, 2 KB RAM, and 256 B EEPROM, and supports dual SCI (LIN-capable), I²C, SPI, two FTM modules, 12-channel 12-bit ADC, and real-time clock. It is commonly used in motor control subsystems, sensor interface modules, and body electronics ECUs.

For engineers reviewing the MC9S08PA16VLC datasheet, MC9S08PA16VLC pinout, MC9S08PA16VLC application, or MC9S08PA16VLC equivalent, this page provides verified technical context, validated package mapping (32-pin LQFP), confirmed peripheral timing behavior, and real-world design implications - including stop3-mode current (1.35 µA), high-drive GPIO capability (20 mA sink/source on PTB4/PTB5/PTD0/PTD1), and ICS/FLL clock stability (±2% over full temperature range).

Technical Context

The MC9S08PA16VLC implements an enhanced S08 CPU with four-level nested interrupt support and up to 40 interrupt/reset sources. Its memory subsystem includes flash with read-while-erase capability, EEPROM with 2-byte erase sectors, and RAM with access protection - all operating reliably across 2.7–5.5 V and –40 °C to +105 °C.

Clock architecture combines a loop-controlled Pierce oscillator (XOSC) supporting 4–20 MHz crystals and an internal clock source (ICS) with frequency-locked-loop (FLL) and factory-trimmed reference (±2% deviation over full temperature). System protection includes independent watchdog, programmable low-voltage detection with interrupt/reset, illegal opcode/address detection, and single-wire background debug interface with three breakpoints.

Key Specifications

Pinout & Package

MC9S08PA16VLC is packaged in a 32-pin LQFP (lead pitch: 0.8 mm, body size: 7 mm × 7 mm), with thermal resistance R_θJA = 88 °C/W on single-layer board and 59 °C/W on four-layer board. Pin assignments follow multiplexed signal mapping per Table 9.2 of Rev. 4 datasheet.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S08PA16VLC, MC9S08PA16AVLD offers expanded I/O but requires PCB redesign, while S9S08PA16F2MLC provides identical functionality with guaranteed availability - making it the recommended upgrade path for production continuity without hardware change.

Availability

MC9S08PA16VLC is available at Aetrix Electronics and suitable for motor control subsystems, sensor interface modules, and body electronics ECUs requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MC9S08PA16VLC 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 applications, with deep expertise in microcontrollers and mixed-signal integration.

The MC9S08PA16 series belongs to NXP's legacy S08 portfolio, engineered specifically for cost-optimized, high-reliability embedded control in harsh environments - emphasizing low-power operation, robust clocking, and integrated analog peripherals.

FAQ

What is the maximum operating temperature range for MC9S08PA16VLC?

The MC9S08PA16VLC is rated for operation from –40 °C to +105 °C. This is confirmed by the "V" suffix in its part number per NXP's identification format (Section 3.3), and explicitly stated in Table 10 (Thermal Characteristics) of the Rev. 4 datasheet. Junction temperature extends to +125 °C, supporting use in under-hood or industrial enclosures without forced cooling.

Does MC9S08PA16VLC support in-circuit debugging, and what interface is used?

Yes, MC9S08PA16VLC supports in-circuit debugging via a single-wire background debug interface (BDM) using the BKGD/MS pin (PTA4). It provides three hardware breakpoints, on-chip ICE debug module with two comparators and nine trigger modes, and full support for CodeWarrior development tools - all documented in Section 1 (MCU block diagram) and Section 7.5 (Development support) of the datasheet.

What are the key power-saving features of MC9S08PA16VLC?

MC9S08PA16VLC offers multiple low-power modes: Stop3 mode draws just 1.35 µA @ 5 V (with 1 kHz LPO clock active), Wait mode reduces current proportional to bus frequency, and peripheral clock gating allows selective disabling of unused modules. These capabilities are detailed in Section 6.1.2 (Supply current characteristics) and enable battery-powered or energy-constrained applications like remote sensors or smart actuators.

Can MC9S08PA16VLC drive LEDs or small relays directly without external drivers?

Yes - MC9S08PA16VLC includes four ultra-high-current GPIO pins (PTB4, PTB5, PTD0, PTD1) rated for 20 mA sink/source per pin at 5 V, as specified in Table 1 (Ordering information) and Figure 1 (MCU block diagram). This eliminates need for discrete transistor drivers in low-power output stages such as indicator LEDs or solenoid valves in automotive body control modules.

Is MC9S08PA16VLC compatible with LIN 2.x communication protocols?

Yes - MC9S08PA16VLC's dual SCI modules support LIN extensions including 13-bit break detection, automatic sync field handling, and checksum generation/validation per ISO 17987. This is explicitly listed under "SCI (LIN Capable)" in Table 1 and described in Section 7.4.2 of the datasheet, enabling direct implementation of LIN slave nodes without external protocol translators.