NXP Semiconductors S9S08LG32J0VLH

Overview

S9S08LG32J0VLH from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller with 32 KB flash, 1984-byte RAM, and integrated LCD driver supporting up to 8×37 segments. It operates from 2.7 V to 5.5 V across –40 °C to 105 °C, features dual TPM modules (2+6 channels), 12-bit ADC with temperature sensor, and I²C/SPI/SCI interfaces. It is used in automotive instrument clusters and industrial panel meters requiring low-power, high-integration timing and display control.

For engineers reviewing the S9S08LG32J0VLH datasheet, S9S08LG32J0VLH pinout, S9S08LG32J0VLH application, or S9S08LG32J0VLH equivalent, this page delivers verified electrical specs, package mapping to 80-pin LQFP (Case 917A), functional pin roles, real-world use scenarios for LCD-driven embedded systems, and two validated alternative MCUs with documented technical and application differences.

Technical Context

The S9S08LG32J0VLH implements the HCS08 CPU core with BGND instruction support and handles up to 32 interrupt/reset sources. Its clock system combines a precision internal clock source (ICS) with ±2% deviation over voltage/temperature and an external crystal oscillator (XOSC) supporting 1–16 MHz crystals or 31.25–38.4 kHz resonators.

Power management includes Stop2/Stop3 low-power modes, peripheral clock gating, and a dedicated low-power on-chip crystal oscillator enabling RTC and LCD operation during deep sleep. Wakeup from Stop3 occurs in ≤100 µs, and the ADC remains fully functional down to 2.7 V with automatic compare and wake-on-conversion capability.

Key Specifications

Pinout & Package

Package: 80-pin LQFP (Case 917A), 14 mm × 14 mm body, 0.5 mm pitch. Pinout conforms to MC9S08LG32 Series Rev. 9 data sheet Figure 2 and Table 2 - all functions mapped specifically to the 80-pin variant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S08LG16J0VLH, S9S08LG32J0VLH delivers 78% more flash and full 16-channel ADC support essential for multi-sensor systems; versus S9KEAZ128AMLH, it offers native LCD integration and lower active power at the cost of ARM ecosystem compatibility and raw MIPS.

Availability

S9S08LG32J0VLH is available at Aetrix Electronics and suitable for automotive instrument clusters, industrial panel meters, smart thermostats, and medical patient monitor front-ends requiring stable component supply and long-term lifecycle support.

Supply support for S9S08LG32J0VLH 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 delivering secure, connected, and intelligent solutions for automotive, industrial, IoT, mobile, and communication infrastructure markets.

The S9S08LG32J0VLH belongs to the legacy HCS08 microcontroller family designed specifically for cost-sensitive, low-power embedded applications requiring integrated LCD driving, robust analog sensing, and automotive-grade reliability.

FAQ

What is the maximum operating frequency of the S9S08LG32J0VLH at 3.3 V?

The S9S08LG32J0VLH achieves up to 40 MHz CPU operation at 5.5 V; at 3.3 V, the maximum guaranteed bus frequency is 20 MHz using the internal clock source (ICS) with FLL enabled. This is confirmed in the "Clock Source Options" section of the Rev. 9 datasheet, where ICS supports bus frequencies from 1 MHz to 20 MHz across the full voltage range. The S9S08LG32J0VLH maintains full peripheral functionality-including ADC, TPM, and LCD-at this speed.

Does the S9S08LG32J0VLH support I²C multi-master operation?

Yes, the S9S08LG32J0VLH I²C module supports true multi-master operation, including arbitration, clock synchronization, and 10-bit addressing. As specified in the "Peripherals" section of the Rev. 9 datasheet, it also supports broadcast mode and programmable slave address, enabling robust communication in distributed sensor networks where multiple controllers share the same bus. The S9S08LG32J0VLH I²C interface complies with standard-mode (100 kbps) timing specifications.

Can the S9S08LG32J0VLH operate in Stop3 mode while refreshing an LCD display?

Yes, the S9S08LG32J0VLH can refresh LCD segments in Stop3 mode using its low-power on-chip crystal oscillator (XOSC), which remains active during Stop3 to provide clocking for both the RTC and LCD controller. The Rev. 9 datasheet explicitly states that the LCD driver is fully functional in Stop3, and the XOSC supports crystal/resonator frequencies from 31.25 kHz to 38.4 kHz or 1–16 MHz. This capability makes the S9S08LG32J0VLH ideal for battery-backed display applications requiring ultra-low standby current.

What is the ADC reference voltage configuration for the S9S08LG32J0VLH?

The S9S08LG32J0VLH ADC uses VREFH and VREFL pins as external reference inputs, but these are internally connected to VDDA and VSSA respectively per the datasheet note on Figures 2–4. It also includes an internal bandgap reference channel (channel AD15) and supports temperature sensor measurement. The ADC operates fully from 2.7 V to 5.5 V, with 12-bit resolution and 2.5 µs conversion time - all verified in Table 12 ("12-bit ADC Operating Conditions") and Table 13 of the Rev. 9 datasheet for the S9S08LG32J0VLH.

Is the S9S08LG32J0VLH pin-compatible with other MC9S08LGxx devices in the same package?

Yes, the S9S08LG32J0VLH is pin-compatible with MC9S08LG16J0VLH in the 80-pin LQFP package (Case 917A). Both share identical pin assignments, peripheral mappings, and electrical characteristics per Table 1 and Figure 2 of the Rev. 9 datasheet. Differences are limited to flash size (32 KB vs. 18 KB), RAM allocation, and minor ADC/LCD segment availability - all implemented without altering pin function priority or physical layout. This enables direct hardware reuse across variants.