MC9S08QE32CLD - 8-bit S08QE MCU, 32KB Flash, 50MHz, 44-LQFP | NXP
Référence : MC9S08QE32CLD ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $7.43 | $7,43 |
| 10 | $6.95 | $69,50 |
| 100 | $6.1 | $610,00 |
| 500 | $5.42 | $2 710,00 |
| 1 000 | $4.88 | $4 880,00 |
MC9S08QE32CLD Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals - timers, communication modules, analog blocks, and GPIOs - into one device. Within the semiconductor hierarchy, an MCU belongs to the broader category of microcontrollers, which sit under integrated circuits and are a fundamental building block of embedded systems. The 8-bit class targets cost-sensitive, power-constrained designs where deterministic behavior and easy programming outweigh raw computational throughput.
Key features of the MC9S08QE32CLD include 32 KB Flash with in-application programmability, an on-chip LCD driver supporting up to 8x36 segments, a 12-bit SAR ADC, an analog comparator, multiple timers (TPM, MTIM, RTI), and a rich serial set (SCI, SPI, I2C). It supports 1.8V to 3.6V supply, offers multiple low-power stop and wait modes, and integrates an internal clock source with FLL to reduce external component count. The device operates across -40C to +85C industrial temperature range.
The HCS08 core uses a von Neumann architecture with enhanced HC08 instruction set, including the BGND instruction for background debugging. The 50.33 MHz CPU at 2.1V drops to 20 MHz at 1.8V to maintain reliable operation across the full voltage range. An on-chip bandgap reference and regulator produce stable internal rails, allowing direct battery connection in many designs.
Typical applications include portable medical devices, smart meters, security keypads, remote controls, home automation, and any battery-powered product that needs an LCD panel and analog signal conditioning. The integrated LCD driver eliminates an external driver IC, while the 12-bit ADC removes the need for an external converter in sensor-front-end designs.
When designing with this MCU, pay close attention to supply decoupling - place one 100 nF ceramic capacitor per VDD pin and a bulk 4.7 uF near the regulator. Use the star background with the on-chip FLL set to the application bus frequency; mismatched FLL settings reduce timing accuracy and power efficiency. The LCD charge pump requires proper bypass capacitors per the manufacturer datasheet.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternatives de remplacement direct pour MC9S08QE32CLD — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MC9S08QE32CLD (même facteur de forme et même empreinte) — différant par Mounting Type, Package.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S08QE4CTG
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S08QE8CLD
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MC9S08QE16CLD
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MC9S08QE32CLC
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
MC9S08SE8MRL
✅ Remplacement direct✓ En stock
$2.14 / unité
Voir la fiche technique →MC9S08QE32CLD Valeurs maximales et caractéristiques électriques
| Core Architecture | HCS08 (8-bit CPU) |
| Program Memory (Flash) | 32 KB |
| RAM | 2 KB |
| Maximum CPU Frequency | 50.33 MHz (at >=2.1V), 20 MHz (at 1.8V) |
| Supply Voltage Range | 1.8 V to 3.6 V |
| I/O Pins | 28 (per web data) |
| ADC | 12-bit SAR, multiple channels |
| Analog Comparator | Yes (integrated) |
| LCD Driver | Integrated, up to 8x36 segments |
| Timers | TPM (16-bit), MTIM, RTI |
| Communication Interfaces | SCI (UART), SPI, I2C |
| Boîtier | 44-LQFP (10x10 mm), 0.8 mm pitch |
| Température de fonctionnement | -40C to +85C |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant (per distributor listing) |
| Lead-Free | Yes |
Configuration des broches de MC9S08QE32CLD
| Broche 1 | PTA0 — General-purpose I/O / TCLK |
| Broche 2 | PTA1 — General-purpose I/O |
| Broche 3 | PTA2 — General-purpose I/O |
| Broche 4 | PTA3 — General-purpose I/O |
| Broche 5 | PTA4 — General-purpose I/O |
| Broche 6 | PTA5 — General-purpose I/O / RESET_b |
| Broche 7 | PTA6 — General-purpose I/O |
| Broche 8 | PTA7 — General-purpose I/O |
| Broche 9 | PTB0 — General-purpose I/O |
| Broche 10 | PTB1 — General-purpose I/O |
| Broche 11 | PTB2 — General-purpose I/O |
| Broche 12 | PTB3 — General-purpose I/O |
| Broche 13 | PTB4 — General-purpose I/O |
| Broche 14 | PTB5 — General-purpose I/O |
| Broche 15 | PTB6 — General-purpose I/O |
| Broche 16 | PTB7 — General-purpose I/O |
| Broche 17 | PTC0 — General-purpose I/O |
| Broche 18 | PTC1 — General-purpose I/O |
| Broche 19 | PTC2 — General-purpose I/O |
| Broche 20 | PTC3 — General-purpose I/O |
| Broche 21 | PTC4 — General-purpose I/O |
| Broche 22 | PTC5 — General-purpose I/O |
| Broche 23 | PTC6 — General-purpose I/O |
| Broche 24 | PTC7 — General-purpose I/O |
| Broche 25 | VDD — Supply voltage |
| Broche 26 | VSS — Ground |
| Broche 27 | PTD0 — General-purpose I/O |
| Broche 28 | PTD1 — General-purpose I/O |
| Broche 29 | PTD2 — General-purpose I/O |
| Broche 30 | PTD3 — General-purpose I/O |
| Broche 31 | PTD4 — General-purpose I/O |
| Broche 32 | PTD5 — General-purpose I/O |
| Broche 33 | PTD6 — General-purpose I/O |
| Broche 34 | PTD7 — General-purpose I/O |
| Broche 35 | PTE0 — General-purpose I/O |
| Broche 36 | PTE1 — General-purpose I/O |
| Broche 37 | PTE2 — General-purpose I/O |
| Broche 38 | PTE3 — General-purpose I/O |
| Broche 39 | PTE4 — General-purpose I/O |
| Broche 40 | PTE5 — General-purpose I/O |
| Broche 41 | PTE6 — General-purpose I/O |
| Broche 42 | PTE7 — General-purpose I/O |
| Broche 43 | BKGD — Background debug mode pin |
| Broche 44 | EXTAL — External clock / oscillator |
Applications typiques
MC9S08QE32CLD convient pour 6 applications: Smart Electricity/Water/Gas Metering, Portable Medical Devices, Security Keypads and Access Panels, Home Automation and Appliance Controls, Industrial Sensor Nodes, Remote Controls and Consumer Devices.
Smart Electricity/Water/Gas Metering
The MC9S08QE32CLD's integrated LCD driver (up to 8x36 segments), 32 KB Flash, and ultra-low-power stop modes make it a strong fit for battery-backed smart meters. The 12-bit SAR ADC captures metrology signals from current shunts or sensor front-ends, while the on-chip LCD charge pump drives the meter's display glass without an external driver IC. Power consumption in stop3 is sub-microamp, supporting 10+ year battery life on a single lithium cell.
Recommandé
Portable Medical Devices
For portable medical devices such as glucose meters, pulse oximeters, and handheld diagnostics, the MC9S08QE32CLD offers 32 KB of Flash for application code, 2 KB RAM, and a 12-bit SAR ADC for sensor measurements. Its 1.8-3.6 V supply range supports direct operation from a single CR2032 or two AAA cells. Multiple low-power modes extend battery life, and the integrated analog comparator enables threshold detection without external components.
Recommandé
Security Keypads and Access Panels
The MC9S08QE32CLD integrates a keypad-scan-friendly GPIO set, an LCD driver for status display, and an SCI for communication with a host controller or reader. In battery-powered alarm keypads, the device's stop3 mode with sub-1 uA consumption and interrupt-driven wake-up enables multi-year battery life. The 50 MHz CPU handles local authentication logic, and 32 KB Flash fits full keypad firmware with room for future features.
Recommandé
Home Automation and Appliance Controls
In home automation hubs, thermostats, and small appliance controllers, the MC9S08QE32CLD's combination of LCD driver, ADC, and serial interfaces simplifies the BOM. The integrated I2C and SPI connect to sensors, EEPROMs, and radio modules, while the 12-bit ADC reads thermistor or potentiometer inputs. Operating from 1.8-3.6 V, the part runs directly from 2xAA cells or a small mains-derived rail.
Recommandé
Industrial Sensor Nodes
For industrial sensor nodes and remote monitoring, the MC9S08QE32CLD's wide operating voltage, integrated ADC, and low-power operation profile well. The SCI/SPI/I2C peripherals connect to industrial sensors and transceivers (RS-485, wireless modules). The 32 KB Flash handles protocol stacks for Modbus, Wireless M-Bus, or proprietary RF schemes. Stop modes with RTC-driven wake-up support multi-year deployments.
Recommandé
Remote Controls and Consumer Devices
In remote controls and consumer devices, the MC9S08QE32CLD's ultra-low-power stop modes and HCS08 CPU at 50.33 MHz provide responsive IR/RF processing while extending battery life. The 32 KB Flash stores key mapping, IR protocols, and feature flags. The ADC supports battery voltage monitoring, while the LCD driver (when used) shows status on multi-segment displays.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S08QE32CLD — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S08QE4CTG | MC9S08QE8CLD | MC9S08QE16CLD | MC9S08QE32CLC | MC9S08SE8MRL |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 44-LQFP (LD) 10x10mm | 44-LQFP (TG) | 44-LQFP (LD) - same | 44-LQFP (LD) - same | 44-LQFP (LC) - same | 44-LQFP (RL) |
| Flash Memory | 32 KB | 4 KB | 8 KB | 16 KB | 32 KB | 8 KB |
| CPU Frequency (max) | 50.33 MHz | 50.33 MHz | 50.33 MHz | 50.33 MHz | 50.33 MHz | 40 MHz |
| Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Integrated LCD Driver | Yes (8x36 segments) | Yes | Yes | Yes | Yes | No |
| ADC | 12-bit SAR | 12-bit SAR | 12-bit SAR | 12-bit SAR | 12-bit SAR | 10-bit SAR |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Principaux différenciateurs
- Highest Flash density in 44-LQFP S08QE family (vs MC9S08QE4CTG)
- Integrated LCD driver eliminates external driver IC (vs MC9S08SE8MRL)
- 12-bit SAR ADC for higher-resolution measurements (vs MC9S08SE8MRL)
Notes de conception
Place a 100 nF ceramic decoupling capacitor as close as possible to every VDD pin, plus a bulk 4.7 uF tantalum or ceramic near the regulator output. The S08QE's on-chip LDD voltage regulator requires low-impedance supply for stable operation. Insufficient decoupling can cause Flash programming failures and ADC inaccuracies.
When using the on-chip FLL, set the FFL filter capacitor value per the datasheet to avoid jitter. Misconfigured FLL settings reduce bus-clock accuracy and increase power consumption. Verify the FFL reference range selection matches the chosen clock source. Also ensure the BKGD/MS pin is not floating during reset to prevent unintended background mode entry.
Route the LCD segment lines away from high-frequency switching nodes. The integrated LCD charge pump generates a boosted voltage on dedicated pins - keep those pins short and isolated. The 0.8 mm pitch LQFP allows standard 0.2 mm trace width + 0.2 mm spacing; use a 4-layer PCB with dedicated ground plane for ADC noise performance.
Estimated: At 50.33 MHz CPU clock and 3.6 V supply with all peripherals active, the S08QE typical supply current is roughly 20-30 mA. With LQFP-44 theta_JA of approximately 50 C/W (per typical JEDEC test board), worst-case self-heating is well under 5 C. No external heatsink is required for the MC9S08QE32CLD in normal operation.
Informations de conformité
RoHS compliant per distributor listing. Industrial temperature range only; no automotive AEC-Q100 grade available in this part number.
