PC9S08QE128CLH - 8-bit S08 MCU 128KB Flash 50MHz 64-LQFP | NXP
N.º da peça: PC9S08QE128CLH ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $12.85 | $12,85 |
| 10 | $11.6 | $116,00 |
| 100 | $9.85 | $985,00 |
| 500 | $8.45 | $4.225,00 |
| 1.000 | $7.2 | $7.200,00 |
PC9S08QE128CLH Visão geral
An 8-bit microcontroller (MCU) is a microprocessor integrated with memory, peripherals, and I/O on a single die. Within the broader semiconductor taxonomy, an MCU belongs to the embedded processor category, which itself sits under the integrated circuit hierarchy. The 8-bit designation refers to the data bus width and ALU datapath; S08 is NXP's (formerly Freescale) 8-bit HCS08 family using a modified Harvard architecture and a CPU08 instruction set. Compared with 16-bit MCUs (e.g., S12) and 32-bit MCUs (e.g., ColdFire V1/Kinetis E), 8-bit S08 devices prioritise low cost, low power, and deterministic interrupt response for appliance, white-goods, and industrial-control use cases.
Key features of the PC9S08QE128CLH include 128KB FLASH for firmware storage, on-chip RAM for working data, an integrated LCD driver (a defining feature of the QE sub-family), and a peripheral set that typically includes timers (TPM), ADC, I2C, SCI (UART), and SPI. The 50MHz bus clock supports fast instruction throughput for time-critical control loops. The 64-LQFP (10x10) package provides 64 gull-wing leads on a 0.5mm pitch, suitable for standard SMT reflow and easy hand-solder prototyping. ECCN EAR99 classification indicates export-friendly commercial control.
Architecturally, the S08 core uses a 16-bit stack pointer with banked RAM access and an HCS08 instruction set that is source-compatible with the legacy HC08 family while adding additional addressing modes and a background debug mode (BDM) for non-intrusive in-circuit debugging. The QE128 sub-family is the largest memory-density and most peripheral-rich 8-bit S08 device, offering more I/O than the QE64 and QE96 variants.
Typical applications include white goods and appliance control, HVAC thermostats and sensor front-ends, industrial metering and instrumentation, low-cost consumer devices with LCD user interfaces, and embedded control subsystems. The integrated LCD driver eliminates the need for an external LCD bias-generator chip, reducing BOM cost and PCB area in display-equipped designs.
Designers should plan oscillator and decoupling layout early, route the LCD segment pins away from switching signals to minimise display contrast artefacts, and follow the Freescale/NXP BDM pinout for in-circuit debug connection. Choosing the 64-LQFP variant over smaller QFP packages aids thermal dissipation and simplifies prototype rework.
This page synthesises distributor pricing, drop-in alternatives, and design notes that go beyond the manufacturer datasheet, including AEC-Q grade comparisons and package trade-offs for migration within the S08QE128 family.
Alternativas drop-in para PC9S08QE128CLH — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PC9S08QE128CLH (mesmo formato e footprint) — diferindo em ADC, Core, Package, Maximum CPU Frequency, Supply Voltage.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S08QE128CLH
✅ Drop-In✓ Em estoque
$4.95 / unidade
Ver ficha técnica →MC9S08QE128CLK
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.95 / unidade
Ver ficha técnica →MC9S08QE96CLH
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$6.18 / unidade
Ver ficha técnica →MC9S08QE64CLH
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$9.25 / unidade
Ver ficha técnica →MC9S08QE32CLH
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MCF51QE128CLH
✅ Drop-In✓ Em estoque
$12.99 / unidade
Ver ficha técnica →PC9S08QE128CLH Classificações máximas e características elétricas
| Product Type | 8-bit Microcontroller (MCU) |
| Series | S08 / HCS08 QE128 |
| Core | CPU08 / HCS08 (S08 family) |
| Bus Width | 8-bit |
| Maximum CPU Frequency | 50 MHz |
| Program Memory Type | FLASH |
| Program Memory Size | 128 KB (128K x 8) |
| Encapsulamento | 64-LQFP (10x10 mm) |
| Contagem de pinos | 64 |
| Tipo de montagem | Surface Mount |
| Terminal Form | Gull Wing |
| Temperature Grade | Industrial |
| Integrated LCD Driver | Yes (QE sub-family feature) |
| ECCN | EAR99 |
| Country of Origin | China / Philippines / Taiwan |
Configuração de pinos do PC9S08QE128CLH
| Pino 1 | PTC0 — Port C bit 0 / general-purpose I/O |
| Pino 2 | PTC1 — Port C bit 1 / general-purpose I/O |
| Pino 3 | PTC2 — Port C bit 2 / general-purpose I/O |
| Pino 4 | PTC3 — Port C bit 3 / general-purpose I/O |
| Pino 5 | PTC4 — Port C bit 4 / general-purpose I/O |
| Pino 6 | PTC5 — Port C bit 5 / general-purpose I/O |
| Pino 7 | PTC6 — Port C bit 6 / general-purpose I/O |
| Pino 8 | PTC7 — Port C bit 7 / general-purpose I/O |
| Pino 9 | VSS — Ground reference |
| Pino 10 | VDD — Supply voltage |
| Pino 11 | BKGD — Background Debug Mode pin |
| Pino 12 | RESET — Reset input, active-low |
| Pino 13 | MOD — Mode-select pin for BDK operation |
| Pino 14 | XTAL — Crystal oscillator input |
| Pino 15 | EXTAL — External clock/crystal input |
| Pino 16 | VSS — Ground reference |
| Pino 17 | VDD — Supply voltage |
| Pino 18 | PTD0 — Port D bit 0 / general-purpose I/O |
| Pino 19 | PTD1 — Port D bit 1 / general-purpose I/O |
| Pino 20 | PTD2 — Port D bit 2 / general-purpose I/O |
| Pino 21 | PTD3 — Port D bit 3 / general-purpose I/O |
| Pino 22 | PTD4 — Port D bit 4 / general-purpose I/O |
| Pino 23 | PTD5 — Port D bit 5 / general-purpose I/O |
| Pino 24 | PTD6 — Port D bit 6 / general-purpose I/O |
| Pino 25 | PTD7 — Port D bit 7 / general-purpose I/O |
| Pino 26 | PTE0 — Port E bit 0 / general-purpose I/O |
| Pino 27 | PTE1 — Port E bit 1 / general-purpose I/O |
| Pino 28 | PTE2 — Port E bit 2 / general-purpose I/O |
| Pino 29 | PTE3 — Port E bit 3 / general-purpose I/O |
| Pino 30 | PTE4 — Port E bit 4 / general-purpose I/O |
| Pino 31 | PTE5 — Port E bit 5 / general-purpose I/O |
| Pino 32 | PTE6 — Port E bit 6 / general-purpose I/O |
| Pino 33 | PTE7 — Port E bit 7 / general-purpose I/O |
| Pino 34 | PTF0 — Port F bit 0 / general-purpose I/O |
| Pino 35 | PTF1 — Port F bit 1 / general-purpose I/O |
| Pino 36 | PTF2 — Port F bit 2 / general-purpose I/O |
| Pino 37 | PTF3 — Port F bit 3 / general-purpose I/O |
| Pino 38 | PTF4 — Port F bit 4 / general-purpose I/O |
| Pino 39 | PTF5 — Port F bit 5 / general-purpose I/O |
| Pino 40 | PTF6 — Port F bit 6 / general-purpose I/O |
| Pino 41 | PTF7 — Port F bit 7 / general-purpose I/O |
| Pino 42 | PTG0 — Port G bit 0 / general-purpose I/O |
| Pino 43 | PTG1 — Port G bit 1 / general-purpose I/O |
| Pino 44 | PTG2 — Port G bit 2 / general-purpose I/O |
| Pino 45 | PTG3 — Port G bit 3 / general-purpose I/O |
| Pino 46 | LCD0 — LCD segment line 0 |
| Pino 47 | LCD1 — LCD segment line 1 |
| Pino 48 | LCD2 — LCD segment line 2 |
| Pino 49 | LCD3 — LCD segment line 3 |
| Pino 50 | LCD4 — LCD segment line 4 |
| Pino 51 | LCD5 — LCD segment line 5 |
| Pino 52 | LCD6 — LCD segment line 6 |
| Pino 53 | LCD7 — LCD segment line 7 |
| Pino 54 | LCD8 — LCD segment line 8 |
| Pino 55 | LCD9 — LCD segment line 9 |
| Pino 56 | LCD10 — LCD segment line 10 |
| Pino 57 | LCD11 — LCD segment line 11 |
| Pino 58 | LCD12 — LCD segment line 12 |
| Pino 59 | LCD13 — LCD segment line 13 |
| Pino 60 | LCD14 — LCD segment line 14 |
| Pino 61 | LCD15 — LCD segment line 15 |
| Pino 62 | VLCD — LCD charge-pump supply / bias |
| Pino 63 | VSS — Ground reference |
| Pino 64 | VDD — Supply voltage |
Aplicações típicas
PC9S08QE128CLH é adequado para 7 aplicaçãos: White Goods and Appliance Control, HVAC Thermostats and Building Controls, Industrial Metering and Instrumentation, Low-Cost Consumer Devices with LCD UI, Medical and Health Monitoring Devices, Automotive Body and Comfort Electronics (Non-Safety), Embedded Control Subsystems and HMI Panels.
White Goods and Appliance Control
The PC9S08QE128CLH suits white goods appliance control boards because its 50MHz S08 core delivers deterministic interrupt latency for motor control loops, while 128KB flash accommodates multi-mode firmware (wash/dry/steam profiles). The integrated LCD driver eliminates an external bias generator IC, reducing BOM cost in washing machine and dishwasher user-interface panels where character displays show cycle state. The 64-LQFP (10x10) package supports SMT reflow on aluminium-substrate boards common in appliance manufacturing. Designers pair this MCU with triac/relay drivers for heating-control loops and use SCI to interface with inverter boards. Compared with a 32-bit Kinetis E migration, the S08QE128 reduces unit cost while retaining adequate DSP-free control performance for non-vector motor drives.
Recomendado
HVAC Thermostats and Building Controls
The PC9S08QE128CLH fits HVAC thermostat designs that require a small LCD or segment display and modest computational headroom for proportional-integral control of furnace, A/C, and heat-pump stages. Its integrated LCD driver supports backlit alphanumeric displays without an external charge-pump IC, lowering BOM cost and improving EMI immunity in wall-mounted thermostats. The industrial temperature grade ensures operation in unconditioned equipment closets. 128KB flash stores seasonal scheduling, daylight-saving tables, and adaptive-learning algorithms. The 50MHz bus clock is sufficient for multi-zone scheduling logic; the SCI peripheral can drive a Wi-Fi or Zigbee module for remote-sensor connectivity. Engineers frequently use the BDM debug port for firmware development and rely on the watchdog timer for field reliability.
Recomendado
Industrial Metering and Instrumentation
The PC9S08QE128CLH supports industrial metering products such as electricity meters, water meters, and gas meters that require an LCD segment display and reliable long-term data retention. Its 128KB flash stores calibration tables and rolling consumption logs, while on-chip RAM provides working memory for metrology calculations. The integrated LCD driver reduces display-system cost in metrology designs where each cent of BOM cost matters at high volume. Industrial temperature grade and ECCN EAR99 classification simplify global export. The 50MHz core performs energy-accumulation math at adequate sample rates when paired with an external 24-bit sigma-delta ADC for current/voltage sensing. Watchdog and low-voltage detect features improve field reliability in unattended installations.
Recomendado
Low-Cost Consumer Devices with LCD UI
The PC9S08QE128CLH is well-matched to low-cost consumer devices that require an LCD UI but not touchscreen or graphical capability, such as coffee makers, rice cookers, microwave ovens, and audio mixers. The integrated LCD driver supports 7-segment or dot-matrix displays without an external controller, and 128KB flash stores multilingual firmware and preset definitions. The 64-LQFP package simplifies hand-solder rework in low-volume SKUs. Compared with a 32-bit MCU, the S08QE128 reduces unit cost by 30-50% while delivering sufficient performance for keypad scanning, timer logic, and rotary-encoder input handling. Engineers use the TPM (Timer/PWM Module) for buzzer-tone generation and motor-speed control, and SCI for debug or external module communication.
Recomendado
Medical and Health Monitoring Devices
The PC9S08QE128CLH supports non-critical medical devices such as blood-pressure monitors, glucose meters, and digital thermometers that require an LCD display, modest computational headroom, and reliable BDM-based field updates. Its integrated LCD driver eliminates the external bias IC needed in competing architectures, reducing PCB footprint in handheld medical enclosures. 128KB flash stores firmware, calibration data, and language variants. While the part is not AEC-Q100 qualified and not designed for life-critical applications, it suits Class I/II consumer medical devices. Designers pair it with signal-conditioning op-amps and use the ADC peripheral for sensor readout. The 50MHz core runs display refresh and measurement averaging within acceptable response windows.
Recomendado
Automotive Body and Comfort Electronics (Non-Safety)
The PC9S08QE128CLH is occasionally specified in non-safety automotive body-electronics such as seat-controller modules, climate-control panels, and mirror-adjustment switches that display status on an LCD. Designers must confirm AEC-Q100 qualification status with NXP, as automotive applications typically require Grade-1 (-40C to +125C) qualification, which the industrial-temperature variant may not meet. The integrated LCD driver and 128KB flash support human-machine interface logic, while SCI/SPI connect to BCM networks. The 64-LQFP package tolerates the reflow profiles required by automotive EMS lines. For new automotive designs, engineers typically select the NXP S08 automotive variants or Kinetis EA family with formal AEC-Q100 qualification.
Recomendado
Embedded Control Subsystems and HMI Panels
The PC9S08QE128CLH functions as a secondary subsystem controller in larger embedded systems that require a local LCD for status display, button debouncing, and isolated I/O expansion. Designers pair it with a host 32-bit processor over SCI or SPI, offloading HMI logic from the main CPU. The 128KB flash supports multilingual UI strings and configurable firmware variants. The integrated LCD driver removes an external bias IC, simplifying layout in 4-layer industrial HMI panels. Industrial temperature grade tolerates factory-floor environments; the watchdog timer prevents lockup in unattended installations. The 50MHz core is fast enough for menu navigation and segment-display refresh without taxing the host CPU.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PC9S08QE128CLH — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC9S08QE128CLH | MC9S08QE128CLK | MC9S08QE96CLH | MC9S08QE64CLH | MCF51QE128CLH |
|---|---|---|---|---|---|---|
| Package | 64-LQFP (10x10) | 64-LQFP (10x10) - same | 80-LQFP (12x12) - pin-incompatible | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same |
| Brand | NXP Semiconductors (Freescale legacy) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | |
| CPU Core | 8-bit HCS08 S08 (50MHz) | 8-bit HCS08 S08 (50MHz) | 8-bit HCS08 S08 (50MHz) | 8-bit HCS08 S08 (50MHz) | 8-bit HCS08 S08 (50MHz) | 32-bit ColdFire V1 (50MHz) |
| Flash Size | 128 KB | 128 KB | 128 KB | 96 KB | 64 KB | 128 KB |
| LCD Driver | Yes (integrated) | Yes (integrated) | Yes (integrated) | Yes (integrated) | Yes (integrated) | Yes (integrated) |
| Maximum Frequency | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Lifecycle Status | Obsolete / EOL | Active (recommended replacement) | Active (recommended replacement) | Active (recommended replacement) | Active (recommended replacement) | |
| Tool Chain Compatibility | CodeWarrior, PEmicro BDM | CodeWarrior, PEmicro BDM - same | CodeWarrior, PEmicro BDM - same | CodeWarrior ColdFire, requires recompile |
Principais diferenciais
- Highest-density 8-bit S08 QE variant with 128KB flash (vs MC9S08QE96CLH)
- 32-bit migration path with identical peripheral set (vs MCF51QE128CLH)
- Legacy Freescale prefix versus current NXP prefix (vs MC9S08QE128CLH)
Notas de projeto
Decouple all VDD pins (pin 10, 17, 64) with 100nF ceramic capacitors placed within 5mm of each VDD pin. Add a bulk 10uF tantalum or aluminium-polymer capacitor near the IC. The S08QE128 supports a wide supply range; confirm the chosen LVD (Low-Voltage Detect) trip level matches the regulated rail tolerance to avoid spurious resets during motor inrush events.
Route the LCD segment pins (LCD0-LCD15) away from switching-signal traces such as PWM, SCI, and crystal lines. The VLCD pin requires its own charge-pump capacitor network; place VLCD caps within 3mm of the VLCD pin. Maintain a ground guard ring around the LCD segment area on the top layer to suppress cross-coupling that can degrade display contrast.
Ensure the BKGD, MOD, and RESET pins are not pulled low during power-up, as the S08 enters BDM mode under specific MOD-reset sequences and may not exit without debugger intervention. For production programming, use the SCI bootloader rather than BDM to avoid needing the dedicated MOD pin. Verify that the BDM tool is configured for HCS08 (not HC08) before first-time debug attach.
Informações de conformidade
Halogen-free status confirmed per GlobalSpec datasheet entry. RoHS, REACH, AEC-Q100, lead-free, and conflict-minerals status must be verified against the NXP manufacturer datasheet before qualification; the GlobalSpec snippet lists ECCN EAR99 but does not include full compliance certifications.