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NXP Semiconductors MC9S08QE8CTG
- Part No.:
- MC9S08QE8CTG
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MC9S08QE8CTG.pdf
- Description:
- IC MCU 8BIT 8KB FLASH 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,343
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Product details
Overview
MC9S08QE8CTG from NXP Semiconductors (formerly Freescale) is an 8-bit HCS08 microcontroller in 32-pin QFN package, featuring a 20 MHz CPU core, 8 KB flash, 512 B RAM, 12-bit ADC with temperature sensor, dual analog comparators, SCI/SPI/I²C interfaces, and two 3-channel TPM modules. It operates from 1.8 V to 3.6 V across –40 °C to +85 °C and supports low-power stop3 mode with 0.4 µA typical current - used in battery-powered industrial sensors and automotive body control modules.
For engineers reviewing the MC9S08QE8CTG datasheet, MC9S08QE8CTG pinout, MC9S08QE8CTG application, or MC9S08QE8CTG equivalent, this page delivers verified electrical specs, validated QFN-32 pin mapping, confirmed low-voltage detection thresholds (1.80–1.96 V), real-time counter operation in all modes, and precise alternative part comparisons for migration or second-sourcing.
Technical Context
The MC9S08QE8CTG implements the HCS08 CPU core with BGND instruction support and handles up to 32 interrupt/reset sources. Its internal clock source (ICS) uses a frequency-locked loop (FLL) with factory-trimmed internal reference enabling ±0.2% resolution and ±2% deviation over voltage/temperature - supporting bus frequencies from 1 MHz to 10 MHz.
Power management includes two stop modes (Stop2/Stop3), reduced-power wait mode, peripheral clock gating, and a dedicated 1 kHz low-power oscillator for RTC wake-up without external components. The ADC operates down to 1.8 V with 2.5 µs conversion time and includes internal bandgap reference and temperature sensor (1.7 mV/°C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | HCS08 8-bit core with BGND instruction; supports up to 32 interrupt/reset sources |
| Max Clock Speed | 20 MHz at 3.6 V; functional across full 1.8–3.6 V supply range |
| Memory | 8 KB on-chip flash (read/program/erase over full voltage/temp); 512 B RAM |
| ADC | 10-channel, 12-bit resolution; 2.5 µs conversion; operates in Stop3 mode; includes 1.7 mV/°C temp sensor |
| Low-Power Modes | Stop3 mode draws 0.4 µA typical (–40 to 25 °C); 6 µs wake-up time; LPO runs RTC independently |
| Supply Voltage Range | 1.8 V to 3.6 V; LVD threshold 1.80–1.96 V (falling/rising); POR re-arm at 0.9–2.0 V |
| I/O Pins | 26 GPIOs + 1 output-only + 1 input-only; configurable pull-ups (17.5–52.5 kΩ); hysteresis on all inputs |
Pinout & Package
MC9S08QE8CTG is housed in a 32-pin QFN package (case 2078-01), thermally enhanced with exposed pad, compatible with copper-wire bonding per Freescale QFN Addendum Rev. 0 (2014). Package dimensions: 5 mm × 5 mm × 0.85 mm, pitch 0.5 mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (PTD3) | GPIO / KBI input | Programmable keyboard interrupt pin; supports configurable polarity and pull-up |
| 2 (VDDA/VREFH) | Analog power / ADC reference high | Separate analog supply pin; doubles as positive reference for ADC and ACMP modules |
| 3 (VSSA/VREFL) | Analog ground / ADC reference low | Isolated analog ground; serves as negative reference for ADC and comparators |
| 4 (VSS) | Digital ground | Primary digital return path; electrically separated from VSSA for noise immunity |
| 5 (PTA5/IRQ/TCLK/RESET) | Multi-function input | Configurable as IRQ input, TCLK input, or active-low reset; open-drain when RESET enabled |
| 6 (PTA4/ACMP1O/BKGD/MS) | Debug / comparator output | Single-wire background debug (BKGD) interface; also outputs ACMP1 result; bidirectional when BKGD active |
| 7 (PTA7/TPM2CH2/ADP9) | Timer / ADC channel | TPM2 channel 2 output or input capture; also serves as ADC input channel 9 |
| 8 (PTA0/KBIP0/TPM1CH0/ADP0/ACMP1+) | Multi-function I/O | Keyboard interrupt pin 0; TPM1 channel 0; ADC channel 0; ACMP1 non-inverting input |
| 9 (PTC0/TPM1CH2) | Timer channel | TPM1 channel 2 output or input capture; default location unless remapped via SOPT2 register |
| 10 (PTB3/KBIP7/MOSI/ADP7) | SPI / ADC / KBI | SPI master-out-slave-in; ADC channel 7; keyboard interrupt pin 7; supports hysteresis and pull-up |
Key Features
| Feature | Design Value |
|---|---|
| Single-wire background debug (BDC) | Enables in-circuit debugging with one pin (PTA4), reducing layout complexity and test point count |
| Flash block protection & security circuitry | Prevents unauthorized read/write access to flash and RAM contents - critical for firmware IP protection |
| Low-power real-time counter (RTC) | Runs continuously in all modes including Stop3 using internal 1 kHz LPO; enables precise wake-up scheduling without external crystal |
| Dual analog comparators (ACMP1/ACMP2) | Each supports interrupt on rising/falling/both edges; selectable internal bandgap reference; outputs routable to TPM for event-triggered actions |
| Peripheral clock gating register | Allows software to disable clocks to unused modules (e.g., SCI, SPI), reducing dynamic current by >50% in partial-active states |
Applications
| Industrial Sensor Node | Automotive Body Control Unit |
|---|---|
Use Scenario: Battery-powered temperature/humidity sensor with periodic wake-up, local ADC sampling, and LIN bus reporting. IC Role / Device Role / Timing Role: Primary MCU managing sensor acquisition, low-power scheduling, and LIN physical layer communication via SCI module. Use Value: Stop3 mode (0.4 µA) extends 2-AA battery life to >5 years; integrated 1.7 mV/°C temp sensor eliminates external component; LIN-compliant SCI reduces BOM cost. |
Use Scenario: Door module controlling window lift, mirror adjustment, and interior lighting with fault detection. IC Role / Device Role / Timing Role: Central controller executing PWM-driven motor control (TPM), switch monitoring (KBI), and CAN/LIN gateway functions (SCI/I²C). Use Value: Dual TPM modules enable independent 16-bit edge-aligned PWM for motors and center-aligned PWM for LED dimming; LVD/LVW interrupts prevent brownout-induced erratic behavior. |
| Smart Appliance Subsystem | Medical Diagnostic Handheld |
Use Scenario: Washing machine control board monitoring water level, motor speed, and heater status with safety interlocks. IC Role / Device Role / Timing Role: Safety-critical subsystem MCU performing real-time motor phase sensing (TPM input capture), ADC-based current monitoring, and COP watchdog supervision. Use Value: Illegal opcode/address detection triggers immediate reset; flash block protection prevents field firmware corruption; 26 GPIOs support direct relay/valve driver interfacing. |
Use Scenario: Portable blood glucose meter requiring precision analog measurement, button interface, and USB-to-serial bridge. IC Role / Device Role / Timing Role: Signal acquisition MCU digitizing electrochemical sensor output via 12-bit ADC, managing user input (KBI), and communicating via SCI to host. Use Value: 12-bit ADC with internal bandgap reference achieves <±1 LSB INL; hysteresis on all KBI pins rejects EMI from tactile switches; 1.8 V minimum operation enables single-cell Li-ion use. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S08QG8CDT | 8 KB flash, 512 B RAM, same HCS08 core, but only 16-pin TSSOP; lacks RTC, second ACMP, and TPM2; no QFN option | Targeted for space-constrained, cost-sensitive designs with minimal peripheral needs (e.g., simple timer/light control) | Select MC9S08QG8CDT only if RTC, dual TPM, and analog comparator features are unnecessary and PCB area is critical. |
| S9KEAZ128AMLH | Kinetis E-series ARM Cortex-M0+, 128 KB flash, 16 KB RAM, 12-bit ADC, lower active current (120 µA/MHz), but requires external crystal for full accuracy | Higher performance, scalable architecture for future feature expansion; supports FreeRTOS and advanced connectivity stacks | Choose S9KEAZ128AMLH when migrating beyond 8-bit limitations - e.g., adding BLE stack or predictive maintenance algorithms - accepting higher BOM and toolchain complexity. |
Compared with MC9S08QG8CDT, MC9S08QE8CTG adds RTC, dual TPM, and second analog comparator - essential for time-critical sensor fusion. Versus S9KEAZ128AMLH, it offers proven qualification for automotive body electronics with simpler toolchain and deterministic 8-bit timing, but less headroom for algorithmic growth.
Availability
MC9S08QE8CTG is available at Aetrix Electronics and suitable for industrial sensor nodes, automotive body control units, smart appliance subsystems, and medical diagnostic handhelds requiring stable component supply, long-term lifecycle support, and AEC-Q100-aligned reliability.
Supply support for MC9S08QE8CTG 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 MC9S08QE8CTG belongs to the HCS08 family - designed specifically for cost-sensitive, low-power embedded control applications demanding robust analog integration, deterministic real-time response, and automotive-grade reliability without 32-bit complexity.
FAQ
What is the operating voltage range of the MC9S08QE8CTG?
The MC9S08QE8CTG operates from 1.8 V to 3.6 V across the full temperature range of –40 °C to +85 °C. Its low-voltage detection (LVD) circuit asserts reset between 1.80 V and 1.96 V depending on rising/falling conditions, and the POR re-arm voltage is guaranteed between 0.9 V and 2.0 V. This wide range supports single-cell lithium and alkaline battery systems without external regulators.
Does the MC9S08QE8CTG support debugging in-circuit?
Yes, the MC9S08QE8CTG includes a single-wire background debug (BDC) interface accessible via PTA4/BKGD pin. It supports breakpoint setting, on-chip ICE with eight-deep FIFO, and tag/force breakpoints - enabling full in-circuit debugging without JTAG header footprint. The MC9S08QE8CTG requires no external debug probe beyond standard BDM hardware.
Can the MC9S08QE8CTG run its real-time counter in stop mode?
Yes, the MC9S08QE8CTG's real-time counter (RTC) operates in all MCU modes including Stop3, powered by the internal low-power oscillator (1 kHz). This allows precise wake-up scheduling, time-of-day tracking, or cyclic sensor polling without external components - a key enabler for ultra-low-power battery applications where the MC9S08QE8CTG draws only 0.4 µA typical in Stop3.
What analog peripherals are integrated into the MC9S08QE8CTG?
The MC9S08QE8CTG integrates a 10-channel, 12-bit ADC with 2.5 µs conversion time, internal bandgap reference, and 1.7 mV/°C temperature sensor - all functional down to 1.8 V and in Stop3 mode. It also includes two analog comparators (ACMP1/ACMP2) with interrupt capability, selectable internal reference, and outputs routable to TPM modules for hardware-triggered actions.
Is the MC9S08QE8CTG pin-compatible with other packages in the QE8 family?
No - the MC9S08QE8CTG is specific to the 32-pin QFN (case 2078-01) package. While the MC9S08QE8 series offers LQFP, SOIC, PDIP, and TSSOP variants, pin assignments differ significantly across packages. For example, PTD3 and PTD2 appear only in 32-pin variants; VDDA/VREFH and VSSA/VREFL are double-bonded in 16/20-pin packages but discrete in QFN. Migration requires PCB redesign.
MC9S08QE8CTG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Series:
- S08
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Verified
- Core Processor:
- S08
- Core Size:
- 8-Bit
- Speed:
- 20MHz
- Connectivity:
- I2C, LINbus, SCI, SPI
- Peripherals:
- LVD, PWM, WDT
- Number of I/O:
- 12
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 512 x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 8x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC9S08QE8CTG FAQ
1.How can I place an order for MC9S08QE8CTG through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08QE8CTG on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MC9S08QE8CTG reliable?
The price and inventory of MC9S08QE8CTG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08QE8CTG is usually 5 days.
3.What payment methods are accepted for MC9S08QE8CTG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S08QE8CTG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S08QE8CTG?
MC9S08QE8CTG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08QE8CTG order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MC9S08QE8CTG?
For technical support, including MC9S08QE8CTG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08QE8CTG requirements.
6.How does Aetrix verify that MC9S08QE8CTG is sourced from the original manufacturer or authorized distributors?
All MC9S08QE8CTG products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MC9S08QE8CTG meets industry standards.
7.What is the process for return or replacement of MC9S08QE8CTG?
All MC9S08QE8CTG units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08QE8CTG, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MC9S08QE8CTG part is unused and in its original packaging.
Return procedure for MC9S08QE8CTG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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