NXP Semiconductors S9S08SG32E1VTL

Overview

S9S08SG32E1VTL from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller with 32 KB Flash, 2 KB RAM, and integrated peripherals including 10-bit ADC, dual TPM timers, SCI, SPI, I²C, ACMP, and RTC. It operates at up to 40 MHz bus frequency, supports -40°C to +125°C ambient temperature, and targets embedded control in automotive body electronics, industrial sensors, and appliance motor control.

For engineers reviewing the S9S08SG32E1VTL datasheet, S9S08SG32E1VTL pinout, S9S08SG32E1VTL application, or S9S08SG32E1VTL equivalent, key selection criteria include its 28-pin TSSOP package, on-chip FLL-based clock generation with ±1.5% accuracy over temperature, stop3 mode power consumption of 1.2 µA, single-wire BDM debug interface, and AEC-Q100 Grade 2 qualification for automotive use.

Technical Context

The S9S08SG32E1VTL implements the HCS08 CPU core with HC08 instruction set extension, supporting up to 32 interrupt/reset sources and BGND instruction for background debugging. Its internal clock source (ICS) uses a frequency-locked loop (FLL) with precision-trimmed internal reference, enabling bus frequencies from 2 MHz to 20 MHz without external crystal.

Peripherals include a 16-channel 10-bit ADC with 2.5 µs conversion time and internal temperature sensor, two 2-channel TPM modules supporting input capture/output compare/PWM, and real-time counter (RTC) with free-running 1 kHz low-power oscillator that operates in all MCU modes including stop3.

Key Specifications

Pinout & Package

Package: 28-pin TSSOP (Thin Shrink Small Outline Package), 4.4 mm × 9.7 mm body, 0.65 mm pitch, RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S08AC60CFGE and S9KEAZ128AMLH, the S9S08SG32E1VTL offers optimal balance of automotive qualification, ultra-low-power stop3 operation, and compact 28-pin TSSOP footprint for cost-sensitive, thermally constrained embedded control-without over-provisioning memory or migrating to ARM architecture.

Availability

S9S08SG32E1VTL is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, and smart appliance motor control requiring stable component supply, long-term lifecycle support, and AEC-Q100 compliance.

Supply support for S9S08SG32E1VTL 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, mobile, and communication infrastructure markets.

The S9S08SG32E1VTL belongs to NXP's legacy HCS08 microcontroller family, designed specifically for cost-effective, high-reliability embedded control in automotive body electronics and industrial systems where deterministic real-time response and extended temperature operation are critical.

FAQ

What is the maximum operating temperature range for the S9S08SG32E1VTL?

The S9S08SG32E1VTL is rated for operation from –40°C to +125°C ambient temperature and is AEC-Q100 Grade 2 qualified. This specification is validated per Freescale's Rev. 8 datasheet, Table A-16, and applies to the full 32 KB Flash configuration. The device maintains full functionality-including ADC accuracy, Flash endurance, and stop3 current-across this range.

Does the S9S08SG32E1VTL support LIN communication?

Yes, the S9S08SG32E1VTL supports LIN communication through its SCI module, which includes dedicated hardware features for LIN 2.x: master-mode extended break generation and slave-mode extended break detection. These capabilities are documented in Chapter 14 of the MC9S08SG32 Rev. 8 datasheet and require no external transceiver for basic physical layer compliance.

What debug interface does the S9S08SG32E1VTL use, and what are its requirements?

The S9S08SG32E1VTL uses a single-wire background debug (BDM) interface via the BKGD/MS pin. It requires only one signal line plus ground, with an external 10-kΩ pull-up resistor. The interface supports full in-circuit programming, real-time register inspection, and breakpoint setting-enabling development without JTAG headers or additional pins.

Can the S9S08SG32E1VTL operate from an internal clock source without an external crystal?

Yes, the S9S08SG32E1VTL can operate entirely from its internal clock source (ICS) module, which uses a frequency-locked loop (FLL) with a precision-trimmed internal reference. This delivers bus frequencies from 2 MHz to 20 MHz with ±1.5% accuracy over –40°C to +125°C, eliminating the need for external crystals in applications where absolute timing precision is not required.

Is the S9S08SG32E1VTL pin-compatible with other MC9S08SG series devices?

No, the S9S08SG32E1VTL is not universally pin-compatible across the MC9S08SG family. While it shares the 28-pin TSSOP package with some variants (e.g., MC9S08SG16), differences in peripheral mapping-such as ACMP input routing and TPM channel assignments-require verification against individual device datasheets. Pin compatibility must be confirmed per specific variant, not assumed by series name.