MC9S08QE64CLH - 8-bit S08QE MCU, 64KB Flash, 50MHz | NXP
MPN: MC9S08QE64CLH ✗ Cuối đờiMC9S08QE64CLH Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho MC9S08QE64CLH — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MC9S08QE64CLH (cùng hình factor và footprint) — khác nhau ở Maximum CPU Frequency, ADC, Core, Flash Memory, Package.
MC9S08QE128CLH
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08QE96CLH
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08QE32CLH
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC9S08QE8CLH
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MCF51QE128CLH
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MCF51QE64CLH
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC9S08QE64CLH Tỷ lệ tối đa & tính chất điện
| 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 |
| Điện áp cung cấp | 1.8 V to 3.6 V |
| Nhiệt độ hoạt động | -40 C to +85 C (industrial) |
| Hộp | 64-LQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| LCD Driver | Yes (integrated) |
| Low-Power Modes | Run / Wait / Stop with interrupt wake-up |
| Trạng thái RoHS | Compliant |
Cấu hình chân MC9S08QE64CLH
| Chân 1 | PTC0 — General-purpose I/O / ADC channel |
| Chân 2 | PTC1 — General-purpose I/O / ADC channel |
| Chân 3 | PTC2 — General-purpose I/O / ADC channel |
| Chân 4 | PTC3 — General-purpose I/O / ADC channel |
| Chân 5 | PTC4 — General-purpose I/O / ADC channel |
| Chân 6 | PTC5 — General-purpose I/O / ADC channel |
| Chân 7 | PTC6 — General-purpose I/O / ADC channel |
| Chân 8 | PTC7 — General-purpose I/O / ADC channel |
| Chân 9 | PTD0 — General-purpose I/O |
| Chân 10 | PTD1 — General-purpose I/O |
| Chân 11 | PTD2 — General-purpose I/O |
| Chân 12 | PTD3 — General-purpose I/O |
| Chân 13 | PTD4 — General-purpose I/O |
| Chân 14 | PTD5 — General-purpose I/O |
| Chân 15 | PTD6 — General-purpose I/O |
| Chân 16 | PTD7 — General-purpose I/O |
| Chân 17 | VSS — Ground |
| Chân 18 | VDD — Supply voltage (1.8 V to 3.6 V) |
| Chân 19 | PTE0 — General-purpose I/O / TCLK |
| Chân 20 | PTE1 — General-purpose I/O |
| Chân 21 | PTE2 — General-purpose I/O |
| Chân 22 | PTE3 — General-purpose I/O |
| Chân 23 | PTE4 — General-purpose I/O |
| Chân 24 | PTE5 — General-purpose I/O |
| Chân 25 | PTE6 — General-purpose I/O |
| Chân 26 | PTE7 — General-purpose I/O |
| Chân 27 | PTF0 — General-purpose I/O / LCD segment |
| Chân 28 | PTF1 — General-purpose I/O / LCD segment |
| Chân 29 | PTF2 — General-purpose I/O / LCD segment |
| Chân 30 | PTF3 — General-purpose I/O / LCD segment |
| Chân 31 | PTF4 — General-purpose I/O / LCD segment |
| Chân 32 | PTF5 — General-purpose I/O / LCD segment |
| Chân 33 | PTF6 — General-purpose I/O / LCD segment |
| Chân 34 | PTF7 — General-purpose I/O / LCD segment |
| Chân 35 | PTG0 — General-purpose I/O / LCD segment |
| Chân 36 | PTG1 — General-purpose I/O / LCD segment |
| Chân 37 | PTG2 — General-purpose I/O / LCD segment |
| Chân 38 | PTG3 — General-purpose I/O / LCD segment |
| Chân 39 | PTA0 — General-purpose I/O / BKGD / MS |
| Chân 40 | PTA1 — General-purpose I/O / RESET |
| Chân 41 | PTA2 — General-purpose I/O |
| Chân 42 | PTA3 — General-purpose I/O |
| Chân 43 | PTA4 — General-purpose I/O |
| Chân 44 | PTA5 — General-purpose I/O |
| Chân 45 | PTA6 — General-purpose I/O |
| Chân 46 | PTA7 — General-purpose I/O |
| Chân 47 | PTB0 — General-purpose I/O / ADC channel |
| Chân 48 | PTB1 — General-purpose I/O / ADC channel |
| Chân 49 | PTB2 — General-purpose I/O / ADC channel |
| Chân 50 | PTB3 — General-purpose I/O / ADC channel |
| Chân 51 | PTB4 — General-purpose I/O / ADC channel |
| Chân 52 | PTB5 — General-purpose I/O / ADC channel |
| Chân 53 | PTB6 — General-purpose I/O / ADC channel |
| Chân 54 | PTB7 — General-purpose I/O / ADC channel |
| Chân 55 | VSS — Ground |
| Chân 56 | VDD — Supply voltage (1.8 V to 3.6 V) |
| Chân 57 | PTH0 — General-purpose I/O |
| Chân 58 | PTH1 — General-purpose I/O |
| Chân 59 | PTH2 — General-purpose I/O |
| Chân 60 | PTH3 — General-purpose I/O |
| Chân 61 | PTH4 — General-purpose I/O |
| Chân 62 | PTH5 — General-purpose I/O |
| Chân 63 | PTH6 — General-purpose I/O |
| Chân 64 | PTH7 — General-purpose I/O |
Ứng dụng tiêu biểu
MC9S08QE64CLH phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC9S08QE64CLH — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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) |
Bảo phân biệt quan trọng
- Pin-compatible Flexis upgrade path (vsMCF51QE128CLH)
- Integrated 12-bit ADC with 22 channels (vsMC9S08QE8CLH)
- Integrated LCD driver with no external charge pump (vsGeneric 8-bit MCU without LCD)
- Mature HCS08 toolchain with BGND debug (vsAVR/PIC 8-bit MCUs)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.