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NXP Semiconductors MC9S08FL8CBM
- Part No.:
- MC9S08FL8CBM
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 32-SDIP (0.400", 10.16mm)
- Datasheet:
-
MC9S08FL8CBM.pdf
- Description:
- IC MCU 8BIT 8KB FLASH 32SDIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,079
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Product details
Overview
MC9S08FL8CBM from NXP Semiconductors (formerly Freescale) is an 8-bit S08 microcontroller with 8 KB flash, 768-byte RAM, and integrated peripherals including 12-channel 8-bit ADC, dual TPM modules, SCI, and 16-bit modulo timer. It operates up to 20 MHz at 4.5–5.5 V across –40 °C to +85 °C and targets cost-sensitive industrial control and sensor interface applications.
For engineers reviewing the MC9S08FL8CBM datasheet, MC9S08FL8CBM pinout, MC9S08FL8CBM application, or MC9S08FL8CBM equivalent, key selection criteria include its 32-pin LQFP/SDIP package, single-wire background debug interface, ICS-based clock system with FLL, low-power stop modes, and on-chip security circuitry for flash/RAM protection.
Technical Context
The MC9S08FL8CBM implements the HCS08 CPU core with HC08 instruction set plus BGND, supporting up to 32 interrupt/reset sources and nested priority via IPC. Its ICS module provides bus frequencies up to 10 MHz using internal reference (31.25 kHz trimmed) or external crystal/resonator (31.25 kHz–16 MHz), with FLL lock accuracy of ±2% over voltage and temperature.
Peripherals include a 12-channel 8-bit ADC with 2.5 μs conversion time, automatic compare, internal bandgap reference, and temperature sensor (1.7 mV/°C); two TPM modules (4-channel + 2-channel) supporting input capture, output compare, and edge-/center-aligned PWM; and one SCI with LIN extensions. All operate within 4.5–5.5 V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | HCS08 8-bit with BGND instruction and 32 interrupt/reset sources |
| Flash Memory | 8 KB - sufficient for compact firmware with bootloader space and field-upgradable code |
| RAM | 768 bytes - supports real-time data buffering and stack depth for embedded control tasks |
| ADC Resolution | 8-bit, 12-channel - enables simultaneous analog sensing of sensors, power rails, or thermistors |
| Max Bus Frequency | 10 MHz - determines peripheral timing margins and real-time response latency |
| Supply Voltage | 4.5 V to 5.5 V - compatible with standard 5 V industrial logic and sensor interfaces |
| Operating Temp | –40 °C to +85 °C - validated for use in uncontrolled industrial enclosures and automotive under-hood proximity |
Pinout & Package
MC9S08FL8CBM is available in 32-pin LQFP (873A-03) and 32-pin SDIP (1376-02) packages. Both share identical pin mapping and electrical characteristics per Freescale MC9S08FL16 Series Data Sheet Rev. 4.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PTA4/BKGD/MS | Background Debug / Master Select | Single-wire BDM interface pin; output-only when used as port, enabling in-circuit debugging without JTAG overhead |
| PTA5/IRQ/TCLK/RESET | Interrupt Request / External Clock / Reset | Multi-function input-only pin; supports asynchronous IRQ, external timer clock source, or hardware reset assertion |
| PTB6/XTAL & PTB7/EXTAL | Clock Crystal Terminals | Connects to Pierce oscillator circuit; supports 31.25 kHz–16 MHz crystals or ceramic resonators for precise timing |
| VDD & VSS | Power Supply Rails | Primary 4.5–5.5 V digital supply and ground; decoupling required per layout guidelines to maintain ADC and FLL stability |
| PTD2/TPM1CH2 & PTD3/TPM1CH3 | Timer/PWM Channel Outputs | Dedicated PWM outputs for motor control or LED dimming; support buffered edge- or center-aligned modulation |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Security Circuitry | Prevents unauthorized read/write access to flash and RAM contents, protecting firmware IP and calibration data |
| Two Low-Power Stop Modes | Stop2 draws 1.06 μA and Stop3 draws 1.17 μA at 5 V - extends battery life in sleep-wake sensor nodes |
| Internal Temperature Sensor | 1.7 mV/°C analog output channel - enables self-monitoring without external thermal ICs |
| SCI with LIN Extensions | Supports Local Interconnect Network physical layer compliance - simplifies integration into automotive body electronics |
| Illegal Opcode/Address Detection | Triggers hardware reset on invalid instruction fetch or memory access - improves system robustness in EMI-prone environments |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop speed regulation of small DC motors in factory automation equipment. IC Role / Device Role / Timing Role: MCU executes PID algorithm, generates PWM via TPM modules, reads encoder feedback via GPIO/interrupt, and communicates status via SCI. Use Value: Integrated 8-bit ADC and dual TPM enable direct analog sensing and precise 10 MHz-timed PWM without external components. | Use Scenario: Battery-powered environmental monitor measuring temperature, humidity, and supply voltage. IC Role / Device Role / Timing Role: MCU samples sensors via ADC, stores calibrated data in flash, enters Stop3 mode between readings, and wakes on timer interrupt. Use Value: 1.17 μA Stop3 current and on-chip temperature sensor reduce BOM count and extend operational lifetime. |
| Automotive Body Controller | Home Appliance Interface |
Use Scenario: Door module managing window lift, mirror adjustment, and interior lighting in entry-level vehicles. IC Role / Device Role / Timing Role: MCU receives LIN commands via SCI, drives actuators using TPM PWM, monitors switch inputs, and detects faults via COP/LVD. Use Value: LIN-compliant SCI and COP watchdog with 1 kHz internal clock ensure functional safety compliance in ASIL-B adjacent systems. | Use Scenario: Control board for microwave oven managing keypad scan, display driver, and high-voltage relay sequencing. IC Role / Device Role / Timing Role: MCU scans matrix keypad via GPIO, drives 7-segment display via multiplexed outputs, and sequences relay timing using MTIM16 and TPM. Use Value: 30 GPIOs (including dedicated output-only and input-only pins) simplify direct interfacing with mechanical switches and discrete drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC9S08FL16CBM | 16 KB flash, 1024-byte RAM - double program/data capacity vs. MC9S08FL8CBM | Suitable for larger firmware images requiring bootloader, OTA update, or expanded peripheral drivers | Select when future firmware growth or additional diagnostic logging is anticipated |
| S9S08SG8E2MTJR | NXP S08 family successor; same 8 KB flash but enhanced ESD (±4 kV HBM), wider temp range (–40 °C to +105 °C), and updated packaging | Better suited for extended-temperature automotive or industrial deployments where reliability margins are critical | Choose for new designs requiring longer lifecycle support and higher robustness certification |
Compared with MC9S08FL8CBM, MC9S08FL16CBM offers scalable memory for firmware expansion, while S9S08SG8E2MTJR delivers improved ruggedness and extended temperature operation - both retain pin compatibility and software migration paths within the S08 ecosystem.
Availability
MC9S08FL8CBM is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, automotive body controllers, and home appliance interfaces requiring stable component supply and long-term manufacturability.
Supply support for MC9S08FL8CBM 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 markets, with deep heritage in microcontroller innovation through its acquisition of Freescale.
The MC9S08FL8CBM belongs to the S08FL family designed for cost-optimized, low-power embedded control in resource-constrained applications - emphasizing integrated analog peripherals, robust debug capability, and industrial-grade reliability.
FAQ
What is the maximum operating frequency of the MC9S08FL8CBM CPU core?
The MC9S08FL8CBM CPU core operates up to 20 MHz at 4.5–5.5 V across the full –40 °C to +85 °C temperature range. Its bus frequency is limited to 10 MHz, derived from the internal clock source (ICS) module's FLL output, which ensures timing compliance for all on-chip peripherals including ADC, TPM, and SCI.
Does the MC9S08FL8CBM support in-circuit debugging, and what interface is used?
Yes, the MC9S08FL8CBM supports in-circuit debugging via a single-wire background debug (BDM) interface using the PTA4/BKGD/MS pin. This allows breakpoint setting, register inspection, and flash programming without requiring a full JTAG connector, reducing PCB footprint and debug hardware cost compared to multi-wire solutions.
What are the low-power modes supported by the MC9S08FL8CBM, and what is the typical current draw in Stop3 mode?
The MC9S08FL8CBM supports two low-power stop modes (Stop2 and Stop3) and a reduced-power wait mode. In Stop3 mode with no clocks active, the typical supply current is 1.17 μA at 5 V and 25 °C. Additional current adders apply if ADC, ICS, or LVD remain enabled - e.g., ADC adds 163.88 μA in Stop3.
Can the MC9S08FL8CBM drive external loads directly, and what are its I/O drive strength specifications?
Yes, the MC9S08FL8CBM supports configurable I/O drive strength: high-drive mode delivers up to 10 mA sink/source per pin (VOL ≤ 1.5 V at 10 mA), while low-drive mode provides 2 mA. Total output current across all ports is limited to 100 mA. Output high voltage remains ≥ VDD – 1.5 V, ensuring reliable logic-level compatibility with 5 V peripherals.
Is the MC9S08FL8CBM pin-compatible with other devices in the S08FL family, and which packages are offered?
Yes, the MC9S08FL8CBM shares identical pinout and package options with the MC9S08FL16CBM - both are available in 32-pin LQFP (873A-03) and 32-pin SDIP (1376-02). This enables hardware reuse across memory variants and simplifies design scalability. Pin functions, electrical characteristics, and thermal resistance values match across both variants per Freescale MC9S08FL16 Series Data Sheet Rev. 4.
MC9S08FL8CBM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 32-SDIP (0.400", 10.16mm)
- Series:
- S08
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- S08
- Core Size:
- 8-Bit
- Speed:
- 20MHz
- Connectivity:
- SCI
- Peripherals:
- LVD, PWM, WDT
- Number of I/O:
- 30
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 768 x 8
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Data Converters:
- A/D 12x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
MC9S08FL8CBM FAQ
1.How can I place an order for MC9S08FL8CBM through Aetrix?
Please submit a Request for Quotation (RFQ) for MC9S08FL8CBM 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 MC9S08FL8CBM reliable?
The price and inventory of MC9S08FL8CBM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC9S08FL8CBM is usually 5 days.
3.What payment methods are accepted for MC9S08FL8CBM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC9S08FL8CBM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC9S08FL8CBM?
MC9S08FL8CBM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC9S08FL8CBM 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 MC9S08FL8CBM?
For technical support, including MC9S08FL8CBM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC9S08FL8CBM requirements.
6.How does Aetrix verify that MC9S08FL8CBM is sourced from the original manufacturer or authorized distributors?
All MC9S08FL8CBM 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 MC9S08FL8CBM meets industry standards.
7.What is the process for return or replacement of MC9S08FL8CBM?
All MC9S08FL8CBM units undergo pre-shipment inspection (PSI). If there is an issue with MC9S08FL8CBM, 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 MC9S08FL8CBM part is unused and in its original packaging.
Return procedure for MC9S08FL8CBM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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