MC9S08QG8CDNE - 20MHz 8-Bit Flash MCU | NXP | SOIC-8
N.º de pieza: MC9S08QG8CDNE ✓ Activo| Cant. | Precio unitario | Total |
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| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
MC9S08QG8CDNE Descripción general
A microcontroller is a programmable integrated circuit containing a processor core, memory, and peripherals on one semiconductor die. In the device hierarchy, the MC9S08QG8CDNE belongs to the HCS08 MCU family, combining an 8-bit CPU, embedded Flash, RAM, GPIO, and mixed-signal peripherals. This combination allows a controller to execute firmware and interface with sensors, switches, indicators, and other embedded-system signals without requiring a separate processor and supporting ICs.
Key verified features include a 20-MHz HCS08 CPU, 8 KB of internal Flash, 6 I/O ports, a 4-channel 10-bit analog-to-digital converter, and an HC08 instruction set with the BGND instruction. A background debugging system supports breakpoint control during in-circuit debugging. The 1.8 V to 3.6 V supply range makes the device suitable for low-voltage embedded products, provided the external circuitry remains within the manufacturer’s specified limits.
The 8-bit architecture can be advantageous where control logic is modest, cost and power are priorities, and a compact software model is useful. Compared with a higher-bit MCU, the part is better suited to straightforward supervisory, monitoring, and actuator-control tasks than to demanding signal processing or large protocol stacks. The operating features and environmental details should be confirmed in the NXP datasheet before final design release.
Typical applications include compact consumer controllers, battery-powered products, simple sensing nodes, LED-control products, and small appliance interfaces. The six I/O ports provide connections for digital inputs and outputs, while the four-channel ADC supports basic analog measurement. Designers should account for pin multiplexing, decoupling, programming/debug access, and the limited memory and peripheral resources of this low-cost MCU.
For a new design, verify the exact package pinout, electrical limits, flash programming procedure, and debug interface against the NXP datasheet. For an existing board, confirm that the replacement has identical package dimensions, pin functions, voltage range, clock behavior, and memory organization before substitution.
This page consolidates verified manufacturer and distributor information with package, lifecycle, sourcing, and design guidance for engineers evaluating the MC9S08QG8CDNE.
Alternativas directas para MC9S08QG8CDNE — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con MC9S08QG8CDNE (mismo factor de forma y huella) — difiere en Package, RoHS Status, Instruction Set, Lifecycle Status, Mounting Type.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MC9S08QG8CFQE
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →MC9S08QG8MPBE
✅ Sustitución directa✓ En stock
$2.18 / unidad
Ver hoja de datos →MC9S08QG8CFFER
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MC9S08QG8MDNE
✅ Sustitución directa✓ En stock
Consulte el precio
Ver hoja de datos →MC9S08QG8CPBE
✅ Sustitución directa✓ En stock
$2.46 / unidad
Ver hoja de datos →MC9S08QG8CDNE Valores máximos y características eléctricas
| Product Type | 8-bit HCS08 microcontroller |
| Maximum CPU Frequency | 20 MHz |
| Bus Frequency | 10 MHz |
| Architecture | CISC |
| CPU Core | Enhanced HCS08 8-bit CPU |
| Instruction Set | HC08 with BGND instruction |
| Internal Flash Memory | 8 KB |
| RAM Memory | 0.512 KB |
| Tensión de alimentación | 1.8 V to 3.6 V |
| I/O Ports | 6 |
| General-Purpose I/O Pins | 4 |
| ADC | 4-channel 10-bit ADC |
| Encapsulado | 8-pin SOIC, MS-012AA |
| Tipo de montaje | Surface mount |
| Estado del ciclo de vida | Active |
| Estado RoHS | Compliant |
| Debug Support | Background debugging system with breakpoint capability |
Configuración de pines de MC9S08QG8CDNE
| Pin 1 | VDD — Positive supply input; exact alternate functions must be confirmed in the NXP pin description table |
| Pin 2 | PT0 — General-purpose I/O or timer-related function; verify the configured multiplexing |
| Pin 3 | PT1 — General-purpose I/O or timer-related function; verify the configured multiplexing |
| Pin 4 | RESET_B — Reset or alternate function; verify the datasheet pin description |
| Pin 5 | TRAP — Debug or alternate function; verify the datasheet pin description |
| Pin 6 | VSS — Ground reference |
| Pin 7 | PT2 — General-purpose I/O or alternate peripheral function |
| Pin 8 | PT3 — General-purpose I/O or alternate peripheral function |
Aplicaciones típicas
MC9S08QG8CDNE es adecuado para 6 aplicacións: Battery-Powered Sensor Node, Compact Consumer Controller, LED and Indicator Control, Small Appliance Interface, Embedded Measurement Module, Low-Cost Educational Control Board.
Battery-Powered Sensor Node
The MC9S08QG8CDNE fits compact, battery-powered sensing nodes where the 1.8 V to 3.6 V operating range and four-channel 10-bit ADC are useful. Its 8-bit HCS08 CPU can execute supervisory logic while six I/O ports connect buttons, indicators, or simple sensors. The SOIC-8 package helps preserve board area, but the designer must confirm ADC input limits, sleep behavior, and average current from the NXP datasheet. Firmware should disable unused peripherals and use the MCU’s low-power features only after validating wake-up and measurement timing.
Recomendado
Compact Consumer Controller
MC9S08QG8CDNE is suitable for a small consumer-control board that needs basic decision logic, discrete input sensing, and output control. The 20-MHz HCS08 CPU provides timing for ordinary control loops, while the 8 KB Flash capacity is suitable for compact application firmware. A 4-channel 10-bit ADC can supervise analog inputs rather than control high-resolution measurements. The 8-pin SOIC package is practical for automated assembly, but pin multiplexing, reset requirements, and programming-test access must be planned before layout release.
Recomendado
LED and Indicator Control
The MC9S08QG8CDNE can control LED indicators, status lamps, and simple relay-driver logic in compact products. Its six I/O ports provide dedicated digital resources for command inputs and output states, while the 8-bit CPU handles debouncing, sequencing, and fault indicators. Because the verified data does not specify absolute pin current limits or total port current, the design must use the datasheet limits and add appropriate transistor or driver stages when the LED load exceeds direct GPIO capability. Firmware should include current limiting and safe shutdown states.
Recomendado
Small Appliance Interface
MC9S08QG8CDNE is a reasonable control MCU for a small appliance interface that combines a few switches, a sensor input, and discrete outputs. The 4-channel 10-bit ADC supports basic analog supervision, while the 20-MHz CPU can handle state-machine logic and timing. The device’s small SOIC-8 package is useful when the appliance controller must fit a compact board. Engineers should verify voltage levels, reset behavior, input tolerance, and output drive limits against the manufacturer data before connecting external relays, heaters, or mains-associated circuitry.
Recomendado
Embedded Measurement Module
The MC9S08QG8CDNE can serve as the controller in a small embedded measurement module where a few analog channels and digital status signals are required. Its four-channel 10-bit ADC is suitable for coarse measurements rather than precision instrumentation, and the 8-bit CPU can average, scale, and report results through available I/O or serial resources. The 1.8 V to 3.6 V supply range allows integration with low-voltage sensors, provided every sensor and interface device shares compatible levels. Calibration, grounding, and ADC-reference details remain subject to the datasheet.
Recomendado
Low-Cost Educational Control Board
MC9S08QG8CDNE works well as the core MCU for a low-cost educational board demonstrating embedded control, GPIO, ADC conversion, and in-circuit debugging. The background debugging system and BGND instruction make firmware development and breakpoint-based troubleshooting practical for training. With only 8 KB Flash and 0.512 KB RAM, the device favors focused demonstrations rather than large frameworks. A SOIC-8 assembly also allows students to prototype on a simple through-hole or adapter board. Course material should still document the exact package pinout and programming procedure.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MC9S08QG8CDNE — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MC9S08QG8CFQE | MC9S08QG8MPBE | MC9S08QG8CFFER | MC9S08QG8MDNE | MC9S08QG8 |
|---|---|---|---|---|---|---|
| Package | SOIC-8, MS-012AA | SOIC-8 comparison candidate | SOIC-8 comparison candidate | SOIC-8 comparison candidate | SOIC-8 comparison candidate | SOIC-8 family identifier |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
Diferenciadores clave
- Compact low-voltage control platform (frente a MC9S08QG8MPBE)
- Integrated analog measurement (frente a MC9S08QG8CFQE)
- Background debugging support (frente a MC9S08QG8CFFER)
Notas de diseño
The verified operating range is 1.8 V to 3.6 V. Place the required supply and decoupling network close to the MCU power pin, and confirm the datasheet’s recommended capacitor values and allowable ESR. Estimated: if the MCU supply is 3.3 V and the total device current is 10 mA, the supply power is 33 mW, but actual regulator sizing must also include I/O current and external load. Do not power peripheral loads through the MCU unless the current and voltage limits are explicitly permitted.
Keep the SOIC-8 footprint, pin numbering, and exposed programming/debug connections consistent with the NXP package drawing. Because several pins may support multiplexed functions, reserve the reset and debug access before assigning analog or digital peripherals. Keep sensitive analog routing away from switching nodes and provide a stable ground reference around the ADC. Validate the final board against the manufacturer land pattern rather than relying only on the generic SOIC-8 library entry.
Do not assume that a related MC9S08QG8 order code is automatically interchangeable. The supplied comparison results identify related variants but do not establish identical package pins, temperature grade, memory map, clock configuration, or peripheral multiplexing. For any substitute, compare the NXP datasheets, check reset and debug pins, verify the 1.8 V to 3.6 V range, and perform a firmware and hardware regression test before production release.
The MC9S08QG8CDNE has limited I/O resources, so plan pin assignment before routing. Group analog inputs according to the ADC requirements, reserve pins needed for programming or background debugging, and avoid placing sensitive analog traces beside switching regulators or high-current LED drivers. The verified data confirms six I/O ports and four general-purpose I/O pins, but final alternate-function assignments and electrical limits must be taken from the NXP datasheet.
Información de cumplimiento
The verified Digichips specification result lists the MC9S08QG8CDNE as RoHS compliant and identifies the MS-012AA SOIC-8 package. No verified REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements were supplied.
