SCKL16Z128VLH4R - Kinetis KL16 MCU 128KB Flash LQFP-64
MPN： SCKL16Z128VLH4R ✓ 啟用中SCKL16Z128VLH4R 概覽
What is an ARM Cortex-M0+ microcontroller? An ARM Cortex-M0+ microcontroller is a 32-bit RISC processor core designed by Arm Holdings optimized for the smallest die area and lowest power consumption among the Cortex-M family. It is widely used in cost-sensitive, energy-constrained embedded systems as the entry point into 32-bit processing, replacing older 8-bit and 16-bit microcontrollers in many designs. Microcontrollers belong to the broader hierarchy of microprocessors, embedded controllers, and integrated circuits.
Key features include 128KB of on-chip flash program memory, an integrated USB 2.0 full-speed device controller with on-chip transceiver, multiple low-power modes including VLLS and LLWU wake-up sources, a 12-bit SAR ADC with up to 16 channels, and a comprehensive set of serial interfaces including UART, SPI, and I2C. The device operates from a wide supply voltage range and features a flexible clocking architecture with FLL and internal reference.
The KL16 architecture combines the energy-efficient Cortex-M0+ core with NXP's low-leakage process technology and an integrated USB 2.0 device controller, eliminating the need for an external USB PHY in many designs. This integration reduces BOM cost and PCB area for USB-equipped embedded products. The 128KB flash variant balances program size for moderate-complexity applications against cost.
Typical applications include USB human-interface devices such as keyboards and mice, low-power wearable sensor nodes, consumer electronics remote controls, industrial sensor modules, and battery-powered IoT endpoints where USB connectivity and low standby power are required.
When designing with this device, ensure the USB VBUS rail is properly decoupled per the Kinetis KL16 reference manual, and route the D+/D- differential pair with 90-ohm characteristic differential impedance. Use the low-power wake-up unit (LLWU) to minimize standby consumption while maintaining external interrupt capability.
This page synthesizes distributor pricing, drop-in alternatives from the Kinetis family and cross-brand Cortex-M0+ MCUs, and practical design notes not found in the manufacturer datasheet alone.
直接替換替代品，適用於 SCKL16Z128VLH4R — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： SCKL16Z128VLH4R （相同外形與佔位） — 差異在於 Series, Package, ADC.
MKL16Z128VLH4
✅ 直接替換聯絡詢價
查看資料表 →MKL16Z64VLH4
✅ 直接替換📋 參考替代品（不在目錄中）
MKL16Z256VLH4
✅ 直接替換聯絡詢價
查看資料表 →MKL26Z128VLH4
✅ 直接替換📋 參考替代品（不在目錄中）
MKL25Z128VLH4
✅ 直接替換📋 參考替代品（不在目錄中）
MKL36Z128VLH4
✅ 直接替換📋 參考替代品（不在目錄中）
SCKL16Z128VLH4R 最大額定值與電氣特性
| Core | ARM Cortex-M0+ |
| CPU Bit Width | 32-bit |
| Maximum CPU Frequency | 48 MHz |
| Program Flash Memory | 128 KB |
| USB Controller | USB 2.0 Full-Speed Device with on-chip transceiver |
| ADC | 12-bit SAR |
| 工作溫度 | -40C to +125C |
| 封裝 | 64-pin LQFP (10x10 mm) |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
| Lead-Free | Yes |
| Series | Kinetis KL16 Sub-Family |
SCKL16Z128VLH4R 64-pin lqfp (10x10 mm) 腳位配置指南
SCKL16Z128VLH4R（64-pin lqfp (10x10 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： SCKL16Z128VLH4R.
請參閱 資料表 以查看完整腳位配置。
典型應用
SCKL16Z128VLH4R 適用於 6 應用s: USB Human Interface Device (HID), Battery-Powered Wearable Sensor Node, Industrial Sensor Module with USB Diagnostics, Consumer Remote Control with USB Charging, IoT Endpoint with USB Connectivity, USB Audio Class Device (Headset Dongle).
USB Human Interface Device (HID)
The SCKL16Z128VLH4R's integrated USB 2.0 full-speed device controller with on-chip transceiver, 48 MHz Cortex-M0+ core, and 128 KB flash make it ideal for USB HID peripherals such as keyboards, mice, and game controllers. The integrated USB PHY eliminates the need for external components, reducing BOM cost. Place a 33 ohm series resistor and 90-ohm differential impedance pair on D+/D-. The 128 KB flash holds complete HID class drivers, descriptor tables, and application code. Low-power VLPS mode extends battery life for wireless HID dongles.
推薦
Battery-Powered Wearable Sensor Node
The SCKL16Z128VLH4R's sub-microamp VLLS3 standby current, Cortex-M0+ energy efficiency, and 128 KB flash suit battery-powered wearable sensor nodes. Multiple low-power modes (Wait, Stop, VLPS, LLS, VLLS) combined with the Low-Leakage Wake-Up Unit (LLWU) enable multi-year coin-cell battery life for health monitors and fitness bands. The 12-bit ADC integrates sensor signals directly. Choose LQFP-64 for hand-rework and prototype-friendly assembly.
推薦
Industrial Sensor Module with USB Diagnostics
The SCKL16Z128VLH4R's industrial -40C to +125C operating range, USB diagnostics port, and 128 KB flash make it suitable for industrial sensor modules requiring USB-based configuration, calibration, and data logging. The USB interface enables quick field servicing and firmware updates without JTAG access. Multiple serial interfaces (UART/SPI/I2C) connect to industrial sensors. The 12-bit ADC reads analog sensors with adequate precision for many control applications.
推薦
Consumer Remote Control with USB Charging
The SCKL16Z128VLH4R's low-power operation and integrated USB enable consumer remote controls with USB-C charging, firmware updates, and HID class compatibility for universal remote applications. The Cortex-M0+ runs IR/RF transmit protocols at low CPU load, leaving 128 KB of flash headroom for advanced features like voice control or motion sensing via external SPI peripherals.
推薦
IoT Endpoint with USB Connectivity
The SCKL16Z128VLH4R suits IoT endpoints needing USB tethering for initial provisioning, firmware updates, and debugging. The integrated USB supports CDC-ACM class for virtual COM port networking, MSD for drag-and-drop firmware updates, and vendor classes for proprietary protocols. The 128 KB flash accommodates TLS lite libraries and cloud-agent firmware. Multiple low-power modes support battery-only IoT deployments.
推薦
USB Audio Class Device (Headset Dongle)
The SCKL16Z128VLH4R's USB isochronous transfer support and 48 MHz CPU enable USB Audio Class 1.0 devices such as USB headsets, audio adapters, and DAC dongles. The 128 KB flash holds USB Audio class drivers and basic DSP firmware. The 12-bit ADC with PGA handles microphone input, while I2S can output to external codecs for higher-quality playback. Low-power modes benefit portable audio devices.
推薦
推薦產品摘要
工程參考資料，適用於 SCKL16Z128VLH4R — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MKL16Z128VLH4 | MKL16Z64VLH4 | MKL16Z256VLH4 | MKL26Z128VLH4 | MKL25Z128VLH4 | MKL36Z128VLH4 |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-pin LQFP (10x10 mm) | 64-pin LQFP (10x10 mm) - same | 64-pin LQFP (10x10 mm) - same | 64-pin LQFP (10x10 mm) - same | 64-pin LQFP (10x10 mm) - same | 64-pin LQFP (10x10 mm) - same | 64-pin LQFP (10x10 mm) - same |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Maximum Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash Memory | 128 KB | 128 KB | 64 KB | 256 KB | 128 KB | 128 KB | 128 KB |
| USB Controller | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device | No USB | USB 2.0 FS Device |
| Special Feature | Standard KL16 family | Tray format variant | Half flash | Double flash | Segment LCD controller | No USB | Segment LCD + USB |
| Shipping Format | Tape & Reel (R suffix) | Tray | Tray | Tray | Tray | Tray | Tray |
主要差異化特點
- Tape & reel shipping format for high-volume assembly (對比MKL16Z128VLH4)
- USB 2.0 full-speed device controller with integrated PHY (對比MKL25Z128VLH4)
- Standard KL16 vs KL26 with segment LCD (對比MKL26Z128VLH4)
設計說明
The KL16 USB VBUS pin must be connected through a 5V-to-3.3V regulator (e.g., NXP's MC33269 or equivalent LDO). The on-chip USB transceiver draws up to 25 mA when active. Use a 4.7uF bulk capacitor and 0.1uF ceramic decoupling on VBUS per the Kinetis KL16 reference manual. For bus-powered designs, ensure the device can source sufficient current from VBUS without exceeding 100 mA USB spec limits.
Route the USB D+ and D- signals as a 90-ohm differential pair with matched lengths to within 150 mil. Place the 33-ohm series resistors and 15 kohm pull-up on D+ within 4 mm of the MCU. Keep the pair away from noisy switching signals and provide a ground reference plane on an adjacent layer. The LQFP-64 requires a continuous ground plane under the device for thermal dissipation.
Place the 32.768 kHz external crystal within 5 mm of the XTAL32 pins, with symmetric traces and a ground guard ring for low-power RTC accuracy. The main 8 MHz crystal or resonator should similarly be close to the XTAL0 pins. Use a local ground island for the analog reference (VREF) and ADC supply filtering to achieve 12-bit ADC accuracy.
Do not skip the SWD (Serial Wire Debug) header on prototype boards - all KSW programming and debugging uses SWD, not JTAG. Forgot to enable the low-leakage wake-up unit (LLWU) registers in low-power modes can prevent external interrupts from waking the core. Always configure the System Integration Module (SIM) clock gating registers before peripheral use, or peripherals will not respond.
合規資訊
RoHS compliant per NXP product page. Lead-free LQFP-64 package with matte-tin plating. Not AEC-Q100 qualified - use MKL16Z128VLH4 CAL/test grade parts for automotive.
