NXP Semiconductors MC9S08GT16ACFBER

Overview

MC9S08GT16ACFBER from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller with 16 KB Flash, 2 KB RAM, 40-MHz CPU, 10-bit 8-channel ADC, dual SCI, SPI, I²C, two TPM timer modules (3+2 channels), and keyboard interrupt support. It operates from 1.8–3.6 V and targets cost-sensitive embedded control in industrial sensors and automotive body electronics.

For engineers reviewing the MC9S08GT16ACFBER datasheet, MC9S08GT16ACFBER pinout, MC9S08GT16ACFBER application, or MC9S08GT16ACFBER equivalent, key selection criteria include its QFN-32 package, copper-wire bonded construction per 98ASA00473D, integrated real-time interrupt in stop modes, ±0.5% internal clock accuracy across voltage/temperature, and background debug via single-wire interface.

Technical Context

The MC9S08GT16ACFBER implements the HCS08 CPU core with HC08 instruction set plus BGND, supporting up to 32 interrupt/reset sources. Its internal clock generator includes FLL with selectable sources (internal RC, crystal, resonator, or external clock) and ±0.2% trimming resolution.

Peripherals are tightly coupled to I/O ports: Port B provides ADC inputs; Port C supports SCI2, I²C, and high-current drivers (20 mA); Port D hosts TPM1/TPM2; Port G contains BKGD/MS and oscillator pins (PTG1/XTAL, PTG2/EXTAL). The device uses SuperFlash® technology for 1.8-V Flash programming/erase.

Key Specifications

Pinout & Package

MC9S08GT16ACFBER is housed in a 32-pin QFN package (exposed pad) per mechanical drawing 98ASA00473D, using copper wire bonding per Freescale QFN migration addendum (Rev. 0, 07/2014).

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC9S08GT16ACFBER, MC9S08AC16CFUE offers more I/O but sacrifices deep-sleep timing precision, while S9KEAZ128AMLH delivers architectural headroom at the cost of legacy code compatibility and peripheral match - making MC9S08GT16ACFBER optimal for stable, cost-constrained 8-bit control where KBI and RTI-in-Stop are essential.

Availability

MC9S08GT16ACFBER is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, home appliance UI panels, and portable medical diagnostic tools requiring stable component supply and long-term lifecycle support.

Supply support for MC9S08GT16ACFBER 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 company formed from the spin-off of Philips' semiconductor division, now specializing in secure connectivity solutions for automotive, industrial, and IoT markets.

The MC9S08GT16ACFBER belongs to the HCS08 microcontroller family, designed specifically for cost-sensitive, low-power embedded control applications requiring robust debug capability, mixed-signal integration, and long-lifecycle availability in automotive and industrial environments.

FAQ

What is the package type and lead-free status of MC9S08GT16ACFBER?

The MC9S08GT16ACFBER is supplied in a 32-pin QFN package with exposed thermal pad, per mechanical drawing 98ASA00473D. It is lead-free and RoHS-compliant, using copper wire bonding as confirmed in Freescale's QFN Addendum (Rev. 0, 07/2014). The "CFBER" suffix denotes this specific 32-QFN, lead-free, tape-and-reel configuration.

Does MC9S08GT16ACFBER support in-circuit debugging, and what interface is used?

Yes, MC9S08GT16ACFBER supports full in-circuit debugging via a single-wire background debug interface (BKGD/MS pin). This eliminates the need for dedicated JTAG headers and enables breakpoint setting, real-time bus capture, and on-chip emulation with two comparators and nine trigger modes - all implemented within the MC9S08GT16ACFBER silicon.

What are the low-power capabilities of MC9S08GT16ACFBER, and how does RTI function in stop modes?

The MC9S08GT16ACFBER features three stop modes (Stop1–Stop3) with current consumption as low as <1 µA in Stop3. Its Real-Time Interrupt (RTI) remains fully operational in all modes, generating configurable periodic interrupts (e.g., every 8 ms to 1 s) without exiting stop - enabling precise, ultra-low-power timing for sensor polling or watchdog supervision in the MC9S08GT16ACFBER.

Can MC9S08GT16ACFBER operate without an external crystal, and what is the internal clock accuracy?

Yes, MC9S08GT16ACFBER can operate using only its internal trimmed RC oscillator. The internal clock achieves ±0.2% trimming resolution and maintains ±0.5% accuracy across the full 1.8–3.6 V supply range and −40°C to +105°C temperature range - sufficient for UART communication and timing-critical control loops without external timing components.

How many analog input channels does the ADC in MC9S08GT16ACFBER support, and what is its resolution?

The MC9S08GT16ACFBER integrates an 8-channel, 10-bit successive-approximation analog-to-digital converter (ADC). All eight channels are mapped to Port B pins (PTB0–PTB7), and the module supports software- or hardware-triggered conversions with programmable sample time - delivering 10-bit resolution (0–1023 counts) across its full 0–VDDAD input range.