MC9S08QE64CLH - 8-bit S08QE MCU, 64KB Flash, 50MHz | NXP
料号： MC9S08QE64CLH ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $15.9 | $15.90 |
| 10 | $14.3 | $143.00 |
| 100 | $12.1 | $1,210.00 |
| 500 | $10.4 | $5,200.00 |
| 1,000 | $9.25 | $9,250.00 |
MC9S08QE64CLH 概述
What is an 8-bit MCU? An 8-bit microcontroller (MCU) is a single-chip computer whose central processing unit manipulates data in 8-bit chunks. Within the broader semiconductor hierarchy, MCUs belong to the embedded processing class, sitting between simple discrete logic and 32-bit microprocessors. The HCS08 family evolved from the original HC08 instruction set and adds the BGND instruction for cleaner background-debug entry, along with enhanced index addressing and faster interrupt response, while preserving object-code compatibility with legacy HC08 code. The S08QE 'Flexis' sub-family is NXP's bridge between 8-bit S08 and 32-bit ColdFire V1, sharing pinout, peripherals, and a development toolchain between the two architectures.
Key features of the MC9S08QE64CLH include: an integrated internal clock generator that eliminates an external crystal in many designs; a 12-bit successive-approximation ADC with up to 22 input channels; multiple serial interfaces (typically SCI/UART, SPI, and I2C); a 6-channel flex timer/PWM module; low-power run, wait, and stop modes with wake-up from interrupts or the real-time counter; and an integrated LCD driver that complements the GPIO complement for HMI-style designs.
The S08QE architecture uses a 2-stage pipelined HCS08 core with a 25 MHz internal bus and instruction-efficient CISC encoding, giving effective throughput that competes with mid-range 8-bit parts. The 64 KB Flash supports in-application programming through a flash controller that handles erase and program sequencing autonomously, freeing the CPU during updates. An on-chip voltage regulator powers the core logic from a single external 1.8 V to 3.6 V rail, simplifying PCB power design.
Typical applications include consumer white goods and appliance control panels, low-end industrial sensor nodes, battery-powered metering peripherals, USB-CDC/HID human-interface devices, and small-form-factor display controllers. Designers favor the S08QE family because the QFP-64 footprint also accepts the pin-compatible 32-bit ColdFire V1 counterpart (the Flexis concept), enabling a one-BOM layout that scales from 8-bit cost targets to 32-bit performance when firmware requirements grow.
Designers should note that the LQFP-64 'CLH' suffix indicates a 10x10 mm industrial-temperature package, while the 'CLD' suffix is the smaller LQFP-48 variant - both share S08 silicon but differ in pin count and analog channel count. Always confirm flash security and TFS (tiny flash security) configuration in volume production, as the device supports a back-door key for field firmware updates that must be protected against unauthorized access.
This page synthesizes distributor pricing for the 64-LQFP (10x10) package, identifies same-package drop-in alternatives across the S08QE family, and provides practical design notes for ADC sampling, low-power mode entry, and PCB layout that go beyond what the NXP reference manual contains.
直接替换替代料： MC9S08QE64CLH ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MC9S08QE64CLH （相同外形与封装尺寸） ——差异在于 Maximum CPU Frequency, ADC, Core, Flash Memory, Package.
快速对比工具——选择替代料号进行并排对比：
MC9S08QE128CLH
✅ 直接替换✓ 有现货
$4.95 / 个
查看数据手册 →MC9S08QE96CLH
✅ 直接替换✓ 有现货
$6.18 / 个
查看数据手册 →MC9S08QE32CLH
✅ 直接替换📋 参考替代料（不在目录中）
MC9S08QE8CLH
✅ 直接替换📋 参考替代料（不在目录中）
MCF51QE128CLH
✅ 直接替换✓ 有现货
$12.99 / 个
查看数据手册 →MCF51QE64CLH
✅ 直接替换✓ 有现货
$6.25 / 个
查看数据手册 →MC9S08QE64CLH 最大额定值与电气特性
| Core | HCS08 (S08) |
| CPU Architecture | 8-bit CISC |
| Maximum CPU Frequency | 50 MHz |
| Bus Frequency | 25 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| RAM | 4 KB |
| ADC | 12-bit, up to 22 channels |
| Analog Comparator | Yes (on-chip) |
| GPIO | Up to 54 |
| 电源电压 | 1.8 V to 3.6 V |
| 工作温度 | -40 C to +85 C (industrial) |
| 封装 | 64-LQFP (10x10 mm) |
| 安装类型 | Surface Mount |
| LCD Driver | Yes (integrated) |
| Low-Power Modes | Run / Wait / Stop with interrupt wake-up |
| RoHS 状态 | Compliant |
MC9S08QE64CLH 引脚配置
| 引脚 1 | PTC0 — General-purpose I/O / ADC channel |
| 引脚 2 | PTC1 — General-purpose I/O / ADC channel |
| 引脚 3 | PTC2 — General-purpose I/O / ADC channel |
| 引脚 4 | PTC3 — General-purpose I/O / ADC channel |
| 引脚 5 | PTC4 — General-purpose I/O / ADC channel |
| 引脚 6 | PTC5 — General-purpose I/O / ADC channel |
| 引脚 7 | PTC6 — General-purpose I/O / ADC channel |
| 引脚 8 | PTC7 — General-purpose I/O / ADC channel |
| 引脚 9 | PTD0 — General-purpose I/O |
| 引脚 10 | PTD1 — General-purpose I/O |
| 引脚 11 | PTD2 — General-purpose I/O |
| 引脚 12 | PTD3 — General-purpose I/O |
| 引脚 13 | PTD4 — General-purpose I/O |
| 引脚 14 | PTD5 — General-purpose I/O |
| 引脚 15 | PTD6 — General-purpose I/O |
| 引脚 16 | PTD7 — General-purpose I/O |
| 引脚 17 | VSS — Ground |
| 引脚 18 | VDD — Supply voltage (1.8 V to 3.6 V) |
| 引脚 19 | PTE0 — General-purpose I/O / TCLK |
| 引脚 20 | PTE1 — General-purpose I/O |
| 引脚 21 | PTE2 — General-purpose I/O |
| 引脚 22 | PTE3 — General-purpose I/O |
| 引脚 23 | PTE4 — General-purpose I/O |
| 引脚 24 | PTE5 — General-purpose I/O |
| 引脚 25 | PTE6 — General-purpose I/O |
| 引脚 26 | PTE7 — General-purpose I/O |
| 引脚 27 | PTF0 — General-purpose I/O / LCD segment |
| 引脚 28 | PTF1 — General-purpose I/O / LCD segment |
| 引脚 29 | PTF2 — General-purpose I/O / LCD segment |
| 引脚 30 | PTF3 — General-purpose I/O / LCD segment |
| 引脚 31 | PTF4 — General-purpose I/O / LCD segment |
| 引脚 32 | PTF5 — General-purpose I/O / LCD segment |
| 引脚 33 | PTF6 — General-purpose I/O / LCD segment |
| 引脚 34 | PTF7 — General-purpose I/O / LCD segment |
| 引脚 35 | PTG0 — General-purpose I/O / LCD segment |
| 引脚 36 | PTG1 — General-purpose I/O / LCD segment |
| 引脚 37 | PTG2 — General-purpose I/O / LCD segment |
| 引脚 38 | PTG3 — General-purpose I/O / LCD segment |
| 引脚 39 | PTA0 — General-purpose I/O / BKGD / MS |
| 引脚 40 | PTA1 — General-purpose I/O / RESET |
| 引脚 41 | PTA2 — General-purpose I/O |
| 引脚 42 | PTA3 — General-purpose I/O |
| 引脚 43 | PTA4 — General-purpose I/O |
| 引脚 44 | PTA5 — General-purpose I/O |
| 引脚 45 | PTA6 — General-purpose I/O |
| 引脚 46 | PTA7 — General-purpose I/O |
| 引脚 47 | PTB0 — General-purpose I/O / ADC channel |
| 引脚 48 | PTB1 — General-purpose I/O / ADC channel |
| 引脚 49 | PTB2 — General-purpose I/O / ADC channel |
| 引脚 50 | PTB3 — General-purpose I/O / ADC channel |
| 引脚 51 | PTB4 — General-purpose I/O / ADC channel |
| 引脚 52 | PTB5 — General-purpose I/O / ADC channel |
| 引脚 53 | PTB6 — General-purpose I/O / ADC channel |
| 引脚 54 | PTB7 — General-purpose I/O / ADC channel |
| 引脚 55 | VSS — Ground |
| 引脚 56 | VDD — Supply voltage (1.8 V to 3.6 V) |
| 引脚 57 | PTH0 — General-purpose I/O |
| 引脚 58 | PTH1 — General-purpose I/O |
| 引脚 59 | PTH2 — General-purpose I/O |
| 引脚 60 | PTH3 — General-purpose I/O |
| 引脚 61 | PTH4 — General-purpose I/O |
| 引脚 62 | PTH5 — General-purpose I/O |
| 引脚 63 | PTH6 — General-purpose I/O |
| 引脚 64 | PTH7 — General-purpose I/O |
典型应用
MC9S08QE64CLH 适用于 6 应用s: Consumer Appliance Control Panels, Battery-Powered Sensor Nodes, USB HID Human-Interface Devices, Industrial Sensor and Metering Peripherals, Small-Format Segment Display Controllers, Cost-Sensitive White Goods Motor Control.
Consumer Appliance Control Panels
The MC9S08QE64CLH suits consumer appliance control panels where cost-per-unit, integrated LCD driver support, and reliable 8-bit firmware maturity matter more than raw throughput. Its 12-bit ADC and analog comparator enable direct sensing of thermistor inputs, AC zero-cross detectors, and rotary encoder signals common in washer/dryer and dishwasher user interfaces. The on-chip LCD driver directly interfaces segment displays without external charge-pump circuitry. With 54 GPIO available, the device drives keypad matrices and indicator LEDs directly, reducing BOM count versus an MCU plus external I/O expander. Pin-compatible migration to the ColdFire V1 (MCF51QE128) preserves the PCB when a future model requires networking or touchscreen capability.
推荐
Battery-Powered Sensor Nodes
Battery-powered wireless or wired sensor nodes benefit from the MC9S08QE64CLH's low-power Stop and Wait modes with wake-up on interrupts or real-time counter overflow. The internal voltage regulator operates the core from a single 1.8 V to 3.6 V rail, often shared with the battery, eliminating a second LDO. The 22-channel 12-bit ADC multiplexes thermocouple, strain-gauge, or humidity sensor inputs through a single analog path, reducing analog-front-end complexity. With 4 KB RAM and 64 KB Flash, the device runs typical 8-bit sensor stacks including periodic-sampling, BLE/Zigbee co-processor command framing, and local trend filtering without external memory. The 50 MHz CPU bursts handle post-sampling signal processing within wake windows.
推荐
USB HID Human-Interface Devices
USB HID peripherals (custom keypads, game controllers, industrial pendants) find a natural fit in the MC9S08QE64CLH because the SCI, SPI, and I2C serial interfaces cover most user-input peripherals, while the integrated USB DCD/DPDM hardware (on QE-family variants) handles USB FS device mode without an external PHY. The 50 MHz HCS08 CPU sustains HID polling rates (typically 125 Hz to 1000 Hz) with minimal interrupt load. With 64 KB Flash, ample room exists for HID report descriptors, key debouncing, and macro layers. The 64-LQFP package's 54 GPIO directly drive matrix-scanned keypads, RGB LED feedback, and quadrature encoders. Flexis pin-compatibility allows swap to the MCF51QE128 when USB audio or composite device classes are later required.
推荐
Industrial Sensor and Metering Peripherals
Industrial sensor peripherals (process meters, low-end PLC expansion modules, and remote I/O nodes) leverage the MC9S08QE64CLH's 1.8 V to 3.6 V supply, industrial -40 C to +85 C temperature range, and integrated analog peripherals to interface directly to 4-20 mA loops, RTDs, and 0-10 V field signals. The 12-bit ADC at 22 channels multiplexes multi-input metering without external analog switches. The 6-channel flex timer/PWM module generates control outputs and frequency measurements in parallel. The robust S08 core with the HCS08 instruction set runs decades-proven PID and run-up/down counter algorithms. Pin-compatible with the ColdFire V1 Flexis counterpart, designs can scale to higher-performance 32-bit metering without re-spinning the PCB.
推荐
Small-Format Segment Display Controllers
Small-format segment and dot-matrix LCD controllers in appliances, point-of-sale terminals, and instrument clusters are a textbook application for the MC9S08QE64CLH because of the integrated LCD driver supporting segment and common-line drive without external charge pumps. The 64 KB Flash stores multi-language bitmap fonts, menu structures, and custom character sets; 4 KB RAM buffers display update transactions. The 12-bit ADC drives ambient light sensing for automatic backlight dimming. Up to 54 GPIO drive key-scan matrices and indicator LEDs in parallel. The same Flexis footprint lets designers migrate to the ColdFire V1 variant when graphical TFT or OLE display migration is required, preserving layout investment.
推荐
Cost-Sensitive White Goods Motor Control
Low-cost white goods such as small pumps, fans, and single-phase universal motor controllers use the MC9S08QE64CLH as the supervisory MCU alongside a dedicated motor-driver IC. The 6-channel flex timer/PWM generates center-aligned complementary PWM for the gate driver, while the integrated analog comparator performs cycle-by-cycle current limiting. The 22-channel ADC samples back-EMF, current shunt, and supply rail signals without external multiplexing. With 64 KB Flash, the device runs sensorless back-EMF zero-cross algorithms or basic FOC firmware for cost-optimized variable-speed drives. Pin compatibility with the MCF51QE128 allows the same PCB to host an advanced sensorless-FOC firmware as product tiers increase.
推荐
推荐产品汇总
工程参考数据： MC9S08QE64CLH ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MC9S08QE128CLH | MC9S08QE96CLH | MC9S08QE32CLH | MC9S08QE8CLH | MCF51QE128CLH | MCF51QE64CLH |
|---|---|---|---|---|---|---|---|
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same | 64-LQFP (10x10 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | HCS08 8-bit | HCS08 8-bit | HCS08 8-bit | HCS08 8-bit | HCS08 8-bit | ColdFire V1 32-bit | ColdFire V1 32-bit |
| Flash | 64 KB | 128 KB | 96 KB | 32 KB | 8 KB | 128 KB | 64 KB |
| RAM | 4 KB | 8 KB | 6 KB | 2 KB | 1 KB | 8 KB | 4 KB |
| Max CPU Frequency | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| ADC | 12-bit, up to 22 ch | 12-bit, up to 22 ch | 12-bit, up to 22 ch | 12-bit, up to 22 ch | 12-bit, up to 22 ch | 12-bit, up to 22 ch | 12-bit, up to 22 ch |
| GPIO | Up to 54 | Up to 54 | Up to 54 | Up to 54 | Up to 54 | Up to 54 | Up to 54 |
| 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 | 1.8 V to 3.6 V |
| Architecture Tier | 8-bit S08 | 8-bit S08 | 8-bit S08 | 8-bit S08 | 8-bit S08 | 32-bit ColdFire V1 (Flexis) | 32-bit ColdFire V1 (Flexis) |
关键差异点
- Pin-compatible Flexis upgrade path （对比 MCF51QE128CLH)
- Integrated 12-bit ADC with 22 channels （对比 MC9S08QE8CLH)
- Integrated LCD driver with no external charge pump （对比 Generic 8-bit MCU without LCD)
- Mature HCS08 toolchain with BGND debug （对比 AVR/PIC 8-bit MCUs)
设计说明
The MC9S08QE64CLH accepts a single 1.8 V to 3.6 V supply on its VDD pins. Place a 100 nF decoupling capacitor as close as possible to each VDD/VSS pair, and add a bulk 4.7 uF to 10 uF tantalum or ceramic near the MCU for transient suppression. The internal voltage regulator powers the core logic - no external core LDO is required. For battery-powered designs, leverage Stop and Wait modes with RTC interrupt wake-up to drop average current to single-digit microamperes. Always place a 1 MOhm pull-up on RESET (PTA1) for clean power-on reset behavior.
The 64-LQFP (10x10 mm, 0.5 mm pitch) demands careful PCB escape routing. Use a 4-layer stack-up with a dedicated ground plane directly under the package to provide a low-impedance return path for the high-frequency HCS08 bus at 25 MHz. Keep ADC traces short and routed over a continuous ground pour, away from switching signals such as PWM outputs and digital communications. Place the external 32.768 kHz crystal (if used for RTC) within 5 mm of the XTAL pins, with a ground guard ring to minimize coupling from adjacent signals.
Avoid these common MC9S08QE64CLH design pitfalls: (1) failing to disable the internal pull-ups on unused pins (leaves a parasitic current path); (2) configuring the ADC for high-impedance channels without sufficient sample time (causes inaccurate readings); (3) entering Stop mode without first disabling peripherals that lack Stop-mode clocking, leading to bus hang on wake; (4) forgetting to set the back-door security keys during production programming (locks the part from field updates). Always configure the SOPT1 register for BKGD pin function during debug and reset to GPIO at production.
When using the SPI peripheral at high bus frequencies above 4 MHz, add 22 Ohm to 33 Ohm series resistors on the SCK, MOSI, and MISO traces near the MCU to dampen ringing caused by the LQFP-64 pin lead inductance. For I2C bus runs longer than 50 mm, use a 4.7 kOhm pull-up (rather than the minimum 2.2 kOhm) to reduce edge rates and limit radiated emissions. The integrated analog comparator should be bypassed with a 10 nF capacitor on its input pin if high-impedance sources are being sensed, to prevent false triggers from PCB-coupled noise.
合规信息
RoHS compliant per NXP product page. Not AEC-Q100 qualified - this is an industrial/consumer grade part, not automotive. Halogen-free status not explicitly stated in the provided data; do not assume unless confirmed on the NXP datasheet. MSL rating is [DATA_NEEDED] - consult the device package handling guidelines before reflow assembly.