NXP Semiconductors MC9S08PT32AVLC

Overview

MC9S08PT32AVLC from NXP Semiconductors is an 8-bit S08 microcontroller designed for cost-sensitive industrial and automotive control applications, featuring 32 KB flash, 4 KB RAM, 256 B EEPROM, 12-bit 16-channel ADC, three FlexTimer modules (6+2+2 channels), and operation up to 20 MHz across –40 °C to 105 °C. It integrates touch sensing (TSI), I²C, three SCI/UARTs (with LIN support), dual SPI, RTC, CRC, and analog comparator.

For engineers reviewing the MC9S08PT32AVLC datasheet, MC9S08PT32AVLC pinout, MC9S08PT32AVLC application, or MC9S08PT32AVLC equivalent, this page delivers verified technical context, package-specific pin assignments, real-world use cases in motor control and HMI, and two validated alternative parts with functional and application-level distinctions.

Technical Context

The MC9S08PT32AVLC implements an enhanced S08 CPU core with nested interrupt support (up to four levels) and a flexible clock system combining internal FLL (ICS) and external crystal/ceramic oscillator (XOSC), enabling precise bus frequencies up to 20 MHz. Its memory subsystem includes flash with read-while-write capability, EEPROM with 2-byte erase sectors, and RAM with configurable protection.

Peripheral integration targets embedded real-time control: the 16-channel 12-bit ADC supports hardware-triggered conversions and stop-mode operation; TSI enables capacitive touch wake-up from Stop3 mode; and the three FTM modules provide PWM, input capture, and output compare with edge- or center-aligned modes - all synchronized to the same bus clock domain.

Key Specifications

Pinout & Package

MC9S08PT32AVLC is housed in a 32-pin LQFP (Leadless Quad Flat Package) with 0.8 mm pitch, measuring 7 mm × 7 mm. Pin assignments are optimized for mixed-signal control: dedicated analog inputs (ADP0–ADP15), touch sense electrodes (TSI0–TSI15), high-current drive pins (8× 20 mA sink/source), true open-drain outputs (PTA2, PTA3), and BKGD debug interface on PTA4.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S08PT32AVLC, MC9S08PT60AVLC offers direct memory scalability within the same family and footprint, while S9KEAZ128AMLH provides architectural modernization at the cost of toolchain requalification and layout change.

Availability

MC9S08PT32AVLC is available at Aetrix Electronics and suitable for industrial motor control, automotive body electronics, smart sensor nodes, and human-machine interface panels requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MC9S08PT32AVLC 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, RF, and security IP.

The MC9S08PT series was engineered for cost-optimized, high-reliability embedded control in harsh environments-emphasizing low-power operation, integrated analog peripherals, and robust debug infrastructure for rapid development.

FAQ

What is the maximum operating frequency and voltage range for the MC9S08PT32AVLC?

The MC9S08PT32AVLC operates at a maximum bus frequency of 20 MHz across its full supply voltage range of 2.7 V to 5.5 V and temperature range of –40 °C to +105 °C. This specification is guaranteed per the official NXP datasheet Rev. 6 (09/2019) and applies to all functional blocks including CPU, flash, ADC, and timers. The internal ICS clock system supports FLL locking to maintain accuracy under varying voltage and temperature conditions.

Does the MC9S08PT32AVLC support in-circuit debugging, and what interface is used?

Yes, the MC9S08PT32AVLC supports single-wire background debug (BDM) via the BKGD pin (PTA4), enabling full in-circuit programming, breakpoint setting (up to three), and real-time register/memory inspection. This interface requires only one signal plus ground, eliminating the need for multi-pin debug headers. The on-chip ICE debug module includes two comparators and nine trigger modes, all accessible through standard NXP Codewarrior or S32DS toolchains.

How many analog-to-digital converter (ADC) channels does the MC9S08PT32AVLC have, and what is its resolution?

The MC9S08PT32AVLC features a 12-bit successive-approximation ADC with 16 input channels (ADP0–ADP15). It achieves a 2.5 µs conversion time, supports hardware triggering, automatic comparison, data buffering with watermark flags, and operation in Stop3 low-power mode. The ADC includes an internal bandgap reference channel and supports both single-ended and differential input configurations as specified in the MC9S08PT60 Series Data Sheet.

What package type and pin count does the MC9S08PT32AVLC use?

The MC9S08PT32AVLC uses a 32-pin LQFP (Low-profile Quad Flat Package) with 0.8 mm pitch and 7 mm × 7 mm body size. This package is explicitly listed in Table 1 (Ordering Information) of the MC9S08PT60 Series Data Sheet for both MC9S08PT32A and MC9S08PT60A variants. Pin assignments-including dedicated TSI, ADC, SCI, and high-drive GPIO-are fully documented in Section 9 (Pinout) and Figure 1.

Can the MC9S08PT32AVLC operate in ultra-low-power modes, and what is the typical current in Stop3 mode?

Yes, the MC9S08PT32AVLC supports Stop3 mode-the deepest low-power state-with typical current consumption of 1.45 µA at 5 V and 1.4 µA at 3 V (–40 °C to +105 °C). In this mode, the 1 kHz LPO clock remains active, allowing RTC, ADC, TSI, and LVD to generate wake-up events. Adder currents for enabled peripherals (e.g., +44 µA for ADC, +111 µA for TSI) are quantified in Table 5 of the datasheet, enabling precise power budgeting.