MKL04Z16VLF4 - 48MHz Cortex-M0+ MCU 16KB Flash | NXP
MPN: MKL04Z16VLF4 ✓ Hoạt độngMKL04Z16VLF4 Tóm tắt
What is a Kinetis KL0x microcontroller? The Kinetis KL0x family is NXP's entry-level ultra-low-power 32-bit MCU line based on the ARM Cortex-M0+ core. It sits at the base of the Kinetis L series hierarchy: Cortex-M0+ core -> ARM Cortex family -> 32-bit MCU -> microcontroller -> semiconductor. The family provides a bridge for 8-bit users transitioning to 32-bit performance while retaining low-power simplicity.
Key features include 16 KB of embedded Flash, 2 KB of SRAM, a low-power ARM Cortex-M0+ core running at up to 48 MHz, multiple low-power modes (Wait, Stop, VLPR, VLPS, LLS, VLLS0/1/3), and an operating voltage range of 1.71V to 3.6V. The MKL04Z16VLF4 also integrates peripherals such as 12-bit ADC, analog comparator, low-power UART, low-power timer, and an SPI/I2C capable serial interface, providing ample connectivity for cost-sensitive designs.
The device uses a Cortex-M0+ core with single-cycle I/O access and a Harvard bus architecture, achieving 0.95 DMIPS/MHz performance. On-chip peripherals operate directly from the ARM core through AMBA AHB-Lite, enabling deterministic real-time behavior. The KL04 sub-family is the smallest memory variant in the KL0x line, optimized for applications requiring minimal RAM and Flash.
Typical applications include battery-powered sensor nodes, wearable fitness bands, electronic shelf labels, remote controls, low-end portable medical devices, and 8-bit replacement upgrades. The 1.71V minimum supply and sub-µA deep-sleep currents make it ideal for coin-cell powered products.
When designing with this part, attention must be paid to the 48-LQAF pinout including analog reference pins (VREFH/VREFL) and the choice of reset configuration to ensure boot mode selection. A 0.1 µF decoupling capacitor close to each VDD/VSS pair is recommended, and unused analog inputs should be tied to a defined voltage to avoid ADC leakage.
This page synthesizes distributor pricing, drop-in Kinetis alternatives, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho MKL04Z16VLF4 — 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 MKL04Z16VLF4 (cùng hình factor và footprint) — khác nhau ở Core Architecture, Low-Power Modes, Package, SRAM.
MKL04Z16VFM4
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MKL04Z16VFK4
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MKL04Z32VLF4
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MKL04Z8VLF4
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
STM32F051C4T6
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
STM32F102C4T6A
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MKL04Z16VLF4 Tỷ lệ tối đa & tính chất điện
| Core Architecture | ARM Cortex-M0+ |
| Core Bit Width | 32-bit |
| Tần số xung maksimum | 48 MHz |
| Flash Memory | 16 KB (16K x 8) |
| SRAM | 2 KB |
| Supply Voltage Range | 1.71 V to 3.6 V |
| Khoảng nhiệt độ hoạt động | -40 C to +105 C |
| Hộp | 48-LQFP (LFQFP), 7x7 mm |
| Số chân | 48 |
| Communication Interfaces | I2C, SPI, UART (LPUART) |
| Low-Power Modes | Wait, Stop, VLPR, VLPS, LLS, VLLS0/1/3 |
| Cấp MSL | 3 |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Series | Kinetis KL0x |
Cấu hình chân MKL04Z16VLF4
| Chân 1 | PTA0/IRQ0/TCLK1 — General I/O / External interrupt / Timer clock input |
| Chân 2 | PTA1/LLWU_P0/RESET_b — General I/O / Low-leakage wakeup / Reset (default) |
| Chân 3 | PTA2/SWDIO — General I/O / Serial Wire Debug I/O |
| Chân 4 | PTA3/SWDCLK — General I/O / Serial Wire Debug Clock |
| Chân 5 | PTA4/NMI_b — General I/O / Non-Maskable Interrupt |
| Chân 6 | VDD — Supply voltage |
| Chân 7 | VSS — Ground |
| Chân 8 | PTB0/LLWU_P4/ADC0_SE0 — General I/O / Low-leakage wakeup / ADC0 channel 0 |
| Chân 9 | PTB1/ADC0_SE1 — General I/O / ADC0 channel 1 |
| Chân 10 | PTB2/ADC0_SE2 — General I/O / ADC0 channel 2 |
| Chân 11 | PTB3/ADC0_SE3 — General I/O / ADC0 channel 3 |
| Chân 12 | PTB4/ADC0_SE4 — General I/O / ADC0 channel 4 |
| Chân 13 | PTB5/ADC0_SE5 — General I/O / ADC0 channel 5 |
| Chân 14 | PTC0/EXTAL0 — General I/O / External clock input |
| Chân 15 | PTC1/XTAL0 — General I/O / Crystal oscillator input |
| Chân 16 | PTC2/ADC0_SE6 — General I/O / ADC0 channel 6 |
| Chân 17 | PTC3/ADC0_SE7 — General I/O / ADC0 channel 7 |
| Chân 18 | PTC4/LLWU_P8 — General I/O / Low-leakage wakeup |
| Chân 19 | PTC5/LLWU_P9 — General I/O / Low-leakage wakeup |
| Chân 20 | PTC6 — General I/O |
| Chân 21 | PTC7 — General I/O |
| Chân 22 | PTD0 — General I/O |
| Chân 23 | PTD1 — General I/O |
| Chân 24 | PTD2 — General I/O |
| Chân 25 | PTD3 — General I/O |
| Chân 26 | PTD4 — General I/O |
| Chân 27 | PTD5 — General I/O |
| Chân 28 | PTE0 — General I/O |
| Chân 29 | PTE1 — General I/O |
| Chân 30 | PTE2 — General I/O |
| Chân 31 | PTE3 — General I/O |
| Chân 32 | PTE4 — General I/O |
| Chân 33 | PTE5 — General I/O |
| Chân 34 | VSS — Ground |
| Chân 35 | VDD — Supply voltage |
| Chân 36 | PTE16 — General I/O |
| Chân 37 | PTE17 — General I/O |
| Chân 38 | PTE18 — General I/O |
| Chân 39 | PTE19 — General I/O |
| Chân 40 | VREFH — ADC voltage reference high |
| Chân 41 | VREFL — ADC voltage reference low |
| Chân 42 | VSS — Ground |
| Chân 43 | VDD — Supply voltage |
| Chân 44 | PTF0 — General I/O |
| Chân 45 | PTF1 — General I/O |
| Chân 46 | PTF2 — General I/O |
| Chân 47 | PTF3 — General I/O |
| Chân 48 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
MKL04Z16VLF4 phù hợp cho 6 Áp dụngs: Battery-Powered Sensor Nodes, Wearable Fitness Bands, Electronic Shelf Labels, Remote Controls, Low-End Portable Medical Devices, 8-bit Replacement Upgrade.
Battery-Powered Sensor Nodes
The MKL04Z16VLF4 fits battery-powered wireless sensor nodes because its 1.71-3.6V supply directly accepts 2x AA alkaline or single Li-ion cells, and its VLLS0 standby mode draws sub-µA current. The 48 MHz Cortex-M0+ core handles periodic sensor reads, encryption, and short RF transmissions within tight energy budgets. 16 KB Flash is sufficient for BLE beacon firmware, simple sensor fusion, and over-the-air update stubs. The 2 KB SRAM accommodates modest buffer queues for I2C/SPI sensor data, and the integrated 12-bit ADC enables direct battery voltage monitoring. Compared to switching regulators, its low quiescent current extends battery life by months in duty-cycled deployments.
Được đề xuất
Wearable Fitness Bands
The MKL04Z16VLF4 targets wearable fitness bands where its 7x7 mm 48-LQFP footprint fits inside small enclosures while the Cortex-M0+ core processes step-count, heart-rate, and accelerometer data. Its sub-µA VLLS0 mode preserves coin-cell capacity during standby, and the integrated 12-bit ADC pairs directly with optical heart-rate sensors. 16 KB Flash accommodates proprietary BLE stack profiles, and 2 KB SRAM buffers IMU sample bursts. The 1.71V minimum supply enables direct CR2032 cell operation without boost circuitry, reducing BOM cost and PCB area.
Được đề xuất
Electronic Shelf Labels
The MKL04Z16VLF4 drives electronic shelf labels (ESL) because its low-power architecture and 48 MHz Cortex-M0+ core balance display refresh performance with battery longevity. The 16 KB Flash stores display templates and RF protocol stacks, and 2 KB SRAM handles partial display buffers. Its 1.71-3.6V supply supports direct coin-cell or printed battery operation, eliminating boost converters. VLLS0 standby extends battery life to 5+ years in duty-cycled ESL networks where the MCU wakes hourly for sub-second RF updates.
Được đề xuất
Remote Controls
The MKL04Z16VLF4 serves universal remote controls by combining Cortex-M0+ performance with deep-sleep current below 1 µA, enabling years of operation on AAA batteries. The 48 MHz core debounces key matrices and runs IR protocol stacks in firmware; 16 KB Flash stores multiple protocol libraries (RC5, NEC, SIRC). The 2 KB SRAM is adequate for buffer-free IR modulation. Its integrated UART enables wireless MCU co-existence, and the 48-LQFP supports through-hole-friendly hand-soldering for prototyping.
Được đề xuất
Low-End Portable Medical Devices
The MKL04Z16VLF4 fits low-end portable medical devices such as pulse oximeters, digital thermometers, and pill dispensers because its Cortex-M0+ deterministic behavior and integrated 12-bit ADC simplify FDA documentation. The 1.71-3.6V supply accepts 2x AAA cells, and the 16 KB Flash stores device firmware and calibration tables. Low-power modes extend battery life across multi-day patient monitoring cycles. The 48-LQFP package supports standard reflow profiles, easing contract manufacturer assembly.
Được đề xuất
8-bit Replacement Upgrade
The MKL04Z16VLF4 enables direct migration from legacy 8-bit microcontrollers such as 8051, PIC16, and ATmega families. The 48 MHz Cortex-M0+ delivers roughly 10x the DMIPS of typical 8-bit cores while retaining simple C-friendly programming. 16 KB Flash and 2 KB SRAM map closely to common 8-bit memory sizes, easing software porting. The 48-LQFP package matches many 8-bit pinouts (e.g., ATmega644/1284 in 40/44-pin), enabling board-level upgrades with minimal PCB rework.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MKL04Z16VLF4 — 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 | MKL04Z16VFM4 | MKL04Z16VFK4 | MKL04Z32VLF4 | MKL04Z8VLF4 | STM32F051C4T6 | STM32F102C4T6A |
|---|---|---|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | STMicroelectronics | STMicroelectronics |
| Core Architecture | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0 | ARM Cortex-M3 |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash Memory | 16 KB | 16 KB | 16 KB | 32 KB | 8 KB | 16 KB | 16 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 4 KB | 4 KB |
| Supply Voltage Range | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| Operating Temperature Range | -40 C to +105 C | -40 C to +85 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +85 C | -40 C to +85 C |
Bảo phân biệt quan trọng
- Smaller Flash than MKL04Z32VLF4 in the same package (vsMKL04Z32VLF4)
- Lower SRAM than STM32F051C4T6 (vsSTM32F051C4T6)
- Cortex-M0+ efficiency vs STM32F1 Cortex-M3 (vsSTM32F102C4T6A)
Ghi chú thiết kế
Place a 1.0 µF bulk capacitor plus a 100 nF decoupling capacitor close to each VDD/VSS pin pair on the MKL04Z16VLF4. The 1.71-3.6V supply range allows direct coin-cell operation without boost converters, but high di/dt during GPIO transitions can cause VDD sag if decoupling is inadequate. For battery-powered designs, a 10 µF bulk on VDD is recommended to handle RF transmit bursts if an external radio is co-located. Estimated: at 48 MHz core clock with all peripherals active, total supply current reaches roughly 5 mA; deep-sleep VLLS0 drops to sub-µA levels.
The 48-LQFP package dissipates heat primarily through the perimeter ground pins. At 48 MHz with all peripherals enabled, the MKL04Z16VLF4 typically consumes under 10 mA, so thermal management is rarely an issue. However, in sealed enclosures with elevated ambient temperatures (above +85 C), ensure adequate PCB copper around the ground pins to keep junction temperature within the -40 C to +105 C operating range. Estimated: at +105 C ambient, the LQFP's theta_JA of roughly 75 C/W allows the MCU to dissipate approximately 250 mW before derating becomes mandatory.
Route the SWDIO and SWCLK signals (PTA2/PTA3 on the MKL04Z16VLF4) with short, direct traces to a 4-pin or 10-pin debug header. Avoid routing these signals near high-frequency switching nodes or analog inputs to prevent noise coupling during debug. The VREFH and VREFL pins should be bypassed with 100 nF ceramic capacitors placed within 5 mm of the pins. Analog and digital ground planes should be joined at a single point under the MCU to avoid ground loops that degrade 12-bit ADC performance.
Do not assume the RESET_b pin (shared with PTA1/LLWU_P0) is always configured as reset. The NXP Kinetis KL04 datasheet documents the FOPT reset configuration bytes that select between PTA1 as GPIO, LLWU input, or RESET_b at boot. Forgetting to program FOPT can leave the MCU in an unexpected debug-locked state. Additionally, ensure unused analog inputs are tied to a defined voltage (VREFH, VREFL, or VSS) to prevent ADC leakage currents. The 16 KB Flash variant cannot accommodate all KL0x peripheral libraries - profile code size before committing to the MKL04Z16VLF4 for complex applications.
Thông tin tuân thủ
RoHS and REACH compliant per NXP product page. Not AEC-Q100 qualified - choose a higher-grade Kinetis part for automotive.
