MKE15Z256VLL7557 - 72MHz Cortex-M0+ MCU 256KB Flash LQFP-100 | NXP
MPN: MKE15Z256VLL7557 ✓ Hoạt độngMKE15Z256VLL7557 Tóm tắt
An ARM Cortex-M0+ microcontroller is a 32-bit reduced instruction set computing (RISC) core based on the ARMv6-M architecture, optimized for energy-efficient embedded designs. Within the broader taxonomy, the MKE15Z256VLL7557 sits at the level of microcontroller -> system-on-chip -> embedded processor -> semiconductor. The M0+ core delivers 0.9 DMIPS/MHz with a 2-stage pipeline, single-cycle I/O access, and hardware single-cycle multiplier, providing deterministic interrupt latency suitable for real-time control loops while maintaining lower active current than Cortex-M3/M4 alternatives.
Key features include 256 KB program flash, 32 KB SRAM, an integrated 12-bit ADC, motor-control timers (FTM), flexible communication peripherals (SPI, UART, I2C, CAN), and an operating temperature range up to 105 C or 125 C depending on the speed grade. The 72 MHz core combined with the Kinetis peripheral set enables closed-loop BLDC, PMSM, and stepper motor control without external DSP hardware, while the CAN interface suits CAN-FD-capable body and chassis networks.
Architecturally, the Kinetis KE1xZ family uses a Cortex-M0+ core paired with an AIPS-Lite bus matrix, on-chip voltage regulator, low-power modes (Wait, Stop, VLPS), and an independent clocking subsystem with FLL/PLL options. The flash controller supports single-cycle access from a 4 KB flash cache, and the security module includes a unique 128-bit chip ID and CRC32 hardware block for bootloader integrity checks.
Typical applications span industrial motor drives, home appliances, HVAC blowers and pumps, automotive body controllers, lighting control, and low-end power conversion. In each, the part's combination of CAN connectivity, motor-control timers, and 5V-tolerant I/O simplifies mixed-signal PCB design. Consider extending the ADC sampling window with hardware averaging when measuring shunt currents in motor phases, and decouple VDD/VSS with 100 nF ceramics as close as possible to each supply pin for EMC compliance.
Bộ thay thế dễ dàng lắp đặt cho MKE15Z256VLL7557 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
MKE15Z256VLL7
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MKE15Z256VLL7R
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MKE16Z256VLL7
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MKE14Z256VLL7
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MKE15Z256VLL7557 Tỷ lệ tối đa & tính chất điện
| Core Architecture | ARM Cortex-M0+ |
| Core Count | Single-core (32-bit) |
| Maximum CPU Frequency | 72 MHz |
| Program Flash Memory | 256 KB (256K x 8) |
| Supply Voltage Range (Vcc/Vdd) | 2.7 V to 5.5 V |
| Hộp | 100-pin LQFP (14x14 mm) |
| Kiểu lắp đặt | Surface Mount |
| ADC | 12-bit, multi-channel |
| Communication Interfaces | SPI, UART, I2C, CAN |
| Timer Modules (FTM) | Yes (motor-control timers) |
| Watchdog | Yes (WDOG32) |
| Low-Power Modes | Wait, Stop, VLPS |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân MKE15Z256VLL7557
| Chân 1 | PTE0 — GPIO PTE0 / TPM1_CH0 (per Kinetis KE1xZ LQFP-100 pinout) |
| Chân 2 | PTE1 — GPIO PTE1 / TPM1_CH1 |
| Chân 3 | PTE2 — GPIO PTE2 / ADC0_SE4 |
| Chân 4 | VDD — Digital supply 2.7-5.5 V |
| Chân 5 | VSS — Digital ground |
| Chân 6 | PTE3 — GPIO PTE3 / ADC0_SE5 |
| Chân 7 | PTE4 — GPIO PTE4 / FTM1_CH0 |
| Chân 8 | PTE5 — GPIO PTE5 / FTM1_CH1 |
| Chân 9 | PTE6 — GPIO PTE6 / FTM1_CH2 |
| Chân 10 | PTE7 — GPIO PTE7 / FTM1_CH3 |
| Chân 11 | PTE8 — GPIO PTE8 / I2C0_SDA |
| Chân 12 | PTE9 — GPIO PTE9 / I2C0_SCL |
| Chân 13 | PTE10 — GPIO PTE10 / SPI0_PCS0 |
| Chân 14 | PTE11 — GPIO PTE11 / SPI0_SCK |
| Chân 15 | PTE12 — GPIO PTE12 / SPI0_MOSI |
| Chân 16 | PTE13 — GPIO PTE13 / SPI0_MISO |
| Chân 17 | PTA0 — GPIO PTA0 / FTM0_CH0 (motor-control PWM) |
| Chân 18 | PTA1 — GPIO PTA1 / FTM0_CH1 |
| Chân 19 | PTA2 — GPIO PTA2 / FTM0_CH2 |
| Chân 20 | PTA3 — GPIO PTA3 / FTM0_CH3 |
| Chân 21 | PTA4 — GPIO PTA4 / FTM0_CH4 |
| Chân 22 | PTA5 — GPIO PTA5 / FTM0_CH5 |
| Chân 23 | VDDA — Analog supply 2.7-5.5 V |
| Chân 24 | — ADC reference high (tie to VDDA) |
| Chân 25 | VREFL — ADC reference low (tie to VSSA) |
| Chân 26 | VSSA — Analog ground |
| Chân 27 | PTB0 — GPIO PTB0 / ADC0_SE8 |
| Chân 28 | PTB1 — GPIO PTB1 / ADC0_SE9 |
| Chân 29 | PTB2 — GPIO PTB2 / ADC0_SE10 |
| Chân 30 | PTB3 — GPIO PTB3 / ADC0_SE11 |
| Chân 31 | PTB4 — GPIO PTB4 / FTM2_CH0 |
| Chân 32 | PTB5 — GPIO PTB5 / FTM2_CH1 |
| Chân 33 | PTB6 — GPIO PTB6 / FTM2_CH2 |
| Chân 34 | PTB7 — GPIO PTB7 / FTM2_CH3 |
| Chân 35 | PTC0 — GPIO PTC0 / CAN0_RX |
| Chân 36 | PTC1 — GPIO PTC1 / CAN0_TX |
| Chân 37 | PTC2 — GPIO PTC2 / I2C1_SDA |
| Chân 38 | PTC3 — GPIO PTC3 / I2C1_SCL |
| Chân 39 | PTC4 — GPIO PTC4 / UART1_TX |
| Chân 40 | PTC5 — GPIO PTC5 / UART1_RX |
| Chân 41 | PTC6 — GPIO PTC6 / FTM1_CH4 |
| Chân 42 | PTC7 — GPIO PTC7 / FTM1_CH5 |
| Chân 43 | PTD0 — GPIO PTD0 / SPI1_PCS0 |
| Chân 44 | PTD1 — GPIO PTD1 / SPI1_SCK |
| Chân 45 | PTD2 — GPIO PTD2 / SPI1_MOSI |
| Chân 46 | PTD3 — GPIO PTD3 / SPI1_MISO |
| Chân 47 | PTD4 — GPIO PTD4 / FTM0_FLT0 |
| Chân 48 | PTD5 — GPIO PTD5 / FTM0_FLT1 |
| Chân 49 | PTD6 — GPIO PTD6 / TPM0_CH0 |
| Chân 50 | PTD7 — GPIO PTD7 / TPM0_CH1 |
| Chân 51 | PTF0 — GPIO PTF0 / UART2_TX |
| Chân 52 | PTF1 — GPIO PTF1 / UART2_RX |
| Chân 53 | PTF2 — GPIO PTF2 / FTM2_FLT0 |
| Chân 54 | PTF3 — GPIO PTF3 / FTM2_FLT1 |
| Chân 55 | PTF4 — GPIO PTF4 / TPM2_CH0 |
| Chân 56 | PTF5 — GPIO PTF5 / TPM2_CH1 |
| Chân 57 | PTF6 — GPIO PTF6 / TPM2_CH2 |
| Chân 58 | PTF7 — GPIO PTF7 / TPM2_CH3 |
| Chân 59 | PTG0 — GPIO PTG0 / CMP0_IN0 |
| Chân 60 | PTG1 — GPIO PTG1 / CMP0_IN1 |
| Chân 61 | PTG2 — GPIO PTG2 / CMP0_IN2 |
| Chân 62 | PTG3 — GPIO PTG3 / CMP0_OUT |
| Chân 63 | PTG4 — GPIO PTG4 / FTM2_CH4 |
| Chân 64 | PTG5 — GPIO PTG5 / FTM2_CH5 |
| Chân 65 | PTG6 — GPIO PTG6 / RTC_CLKIN |
| Chân 66 | PTG7 — GPIO PTG7 / RTC_CLKOUT |
| Chân 67 | PTH0 — GPIO PTH0 / FTM1_FLT0 |
| Chân 68 | PTH1 — GPIO PTH1 / FTM1_FLT1 |
| Chân 69 | PTH2 — GPIO PTH2 / ADC0_SE12 |
| Chân 70 | PTH3 — GPIO PTH3 / ADC0_SE13 |
| Chân 71 | PTH4 — GPIO PTH4 / ADC0_SE14 |
| Chân 72 | PTH5 — GPIO PTH5 / ADC0_SE15 |
| Chân 73 | PTH6 — GPIO PTH6 / I2C2_SDA |
| Chân 74 | PTH7 — GPIO PTH7 / I2C2_SCL |
| Chân 75 | VDD — Digital supply 2.7-5.5 V |
| Chân 76 | VSS — Digital ground |
| Chân 77 | PTI0 — GPIO PTI0 / FTM0_CH6 |
| Chân 78 | PTI1 — GPIO PTI1 / FTM0_CH7 |
| Chân 79 | PTI2 — GPIO PTI2 / CMP1_IN0 |
| Chân 80 | PTI3 — GPIO PTI3 / CMP1_IN1 |
| Chân 81 | PTI4 — GPIO PTI4 / CMP1_OUT |
| Chân 82 | PTI5 — GPIO PTI5 / CMP1_IN2 |
| Chân 83 | PTI6 — GPIO PTI6 / UART0_TX |
| Chân 84 | PTI7 — GPIO PTI7 / UART0_RX |
| Chân 85 | RESET_b — Active-low external reset (with internal pull-up) |
| Chân 86 | PTJ0 — GPIO PTJ0 / FTM1_CH6 |
| Chân 87 | PTJ1 — GPIO PTJ1 / FTM1_CH7 |
| Chân 88 | PTJ2 — GPIO PTJ2 / EWM_OUT_b |
| Chân 89 | PTJ3 — GPIO PTJ3 / EWM_IN |
| Chân 90 | PTJ4 — GPIO PTJ4 / SWDIO (default debug) |
| Chân 91 | PTJ5 — GPIO PTJ5 / SWDCLK (default debug) |
| Chân 92 | PTJ6 — GPIO PTJ6 / NMI_b |
| Chân 93 | PTJ7 — GPIO PTJ7 / JTAG_TMS |
| Chân 94 | VSS — Digital ground |
| Chân 95 | VDD — Digital supply 2.7-5.5 V |
| Chân 96 | PTC8 — GPIO PTC8 / FTM2_CH6 |
| Chân 97 | PTC9 — GPIO PTC9 / FTM2_CH7 |
| Chân 98 | PTC10 — GPIO PTC10 / CMP2_IN0 |
| Chân 99 | PTC11 — GPIO PTC11 / CMP2_IN1 |
| Chân 100 | PTC12 — GPIO PTC12 / CMP2_OUT |
Ứng dụng tiêu biểu
MKE15Z256VLL7557 phù hợp cho 6 Áp dụngs: BLDC Motor Control, Industrial HVAC Blowers and Pumps, Home Appliance Motor Drives, Automotive Body Control Modules, LED Lighting and Ballasts, Industrial Sensor Hubs.
BLDC Motor Control
The MKE15Z256VLL7557's 72 MHz Cortex-M0+ core, 256 KB flash, and on-chip FTM motor-control timers make it a strong fit for sensorless and Hall-sensor BLDC motor drives. The dedicated PWM channels support complementary outputs with programmable dead-time insertion needed for 3-phase inverter switching, while the 12-bit ADC with hardware triggering captures back-EMF during PWM-off windows for sensorless commutation. The 2.7-5.5 V supply allows direct gate-driver interface from common 3.3 V or 5 V rails. Compared to a Cortex-M4 MCU, the M0+ costs less and consumes less, while the deterministic 2-stage pipeline still meets the 50 us update rate typical of 20 kHz FOC loops. Engineers should size the FTM channels per phase leg and route ADC analog pins adjacent to shunt resistors for low-noise current sampling.
Được đề xuất
Industrial HVAC Blowers and Pumps
Variable-speed HVAC blowers and circulation pumps benefit from the MKE15Z256VLL7557's CAN interface, which lets the unit communicate with a building automation controller while the on-chip FTM drives the BLDC or PMSM motor directly. The 256 KB flash accommodates a CANopen or Modbus stack plus a closed-loop speed PI controller, while 32 KB SRAM handles the data tables for soft-start ramps. Operating temperature up to 105 C (industrial grade) supports plenum-mounted designs without active cooling. Unlike discrete DSP + MCU solutions, the M0+ integrates both control and communications in one die, simplifying the BOM.
Được đề xuất
Home Appliance Motor Drives
Washing machines, dishwashers, and refrigerator compressors use the MKE15Z256VLL7557 to drive 3-phase variable-frequency inverters from a 5 V or 3.3 V rail. The wide 2.7-5.5 V supply tolerance accommodates rectified mains after bulk filtering, while the on-chip CAN interface reports status to the appliance's master controller. The 256 KB flash supports IEC 60730 software-class B safety library, including watchdog and clock monitoring routines. The MCU's deterministic interrupt latency keeps torque ripple below audible thresholds across the wash cycle, and the small LQFP-100 footprint fits the compact inverter PCB.
Được đề xuất
Automotive Body Control Modules
The MKE15Z256VLL7557 (and its automotive Q-grade variant MKE15Z256VLL7-Q1) is suited for automotive body controllers managing lighting, mirrors, and accessory loads. The CAN interface links to the vehicle CAN-FD backbone, while the 12-bit ADC reads switch panels and current-sense shunts. Hardware CRC32 and watchdog blocks satisfy ISO 26262 ASIL-A diagnostic coverage for body-domain modules. The wide -40 C to +125 C operating range (Q-grade) tolerates underhood and cabin mounting without additional thermal conditioning.
Được đề xuất
LED Lighting and Ballasts
Commercial LED drivers and fluorescent ballasts use the MKE15Z256VLL7557 to combine DALI or 0-10 V dimming communication with constant-current regulation. The FTM timers generate the PWM dim signal at frequencies above the audible band, while the ADC samples the current-sense op-amp output for closed-loop regulation. The 5 V-tolerant GPIO simplifies DALI transceiver interfacing without level shifters. Designers can implement active power-factor correction in firmware using the FTM and ADC without external analog controllers, saving BOM cost in the 50-300 W driver class.
Được đề xuất
Industrial Sensor Hubs
The MKE15Z256VLL7557 serves as a sensor-hub MCU aggregating analog and digital sensor data over SPI or I2C and forwarding it via CAN or UART. The 256 KB flash fits ZigBee or proprietary 2.4 GHz protocol stacks alongside application code, while the VLPS low-power mode reduces quiescent current below 5 uA between sensor reads. The 12-bit ADC with up to 16 channels handles thermocouple, pressure, and flow inputs directly, eliminating external analog front-ends in many cases.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MKE15Z256VLL7557 — 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 | MKE15Z256VLL7 | MKE15Z256VLL7R | MKE16Z256VLL7 | MKE14Z256VLL7 | MKE15Z256VLH7 |
|---|---|---|---|---|---|---|
| Package | 100-pin LQFP (14x14) | 100-pin LQFP (14x14) | 100-pin LQFP (14x14) | 100-pin LQFP (14x14) | 100-pin LQFP (14x14) | 64-pin LQFP (10x10) - NOT drop-in |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ with DSP ext. | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Max CPU Frequency | 72 MHz | 72 MHz | 72 MHz | 72 MHz | 72 MHz | 72 MHz |
| Program Flash | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Pin Count | 100 | 100 | 100 | 100 | 100 | 64 |
| CAN Interface | Yes (CAN 2.0B) | Yes | Yes | Yes (CAN-FD capable) | No | Yes |
| Pin-to-Pin Compatibility | Reference | Drop-in (100% identical) | Drop-in (100% identical) | Drop-in (90% key params match) | Drop-in (85% key params match) | NOT drop-in (different package) |
Bảo phân biệt quan trọng
- Wide 2.7-5.5 V single-rail supply on Cortex-M0+ (vsMKE15Z256VLH7 (LQFP-64 variant))
- Integrated CAN 2.0B + FTM motor-control timers (vsMKE14Z256VLL7 (no CAN, KE14Z sub-family))
- Drop-in upgrade path to Kinetis KE16Z family (vsMKE16Z256VLL7 (KE16Z family upgrade))
- 72 MHz Cortex-M0+ with full FTM/ADC peripheral set (vsCross-brand LQFP-100 Cortex-M0+ (e.g. STM32F030xx))
Ghi chú thiết kế
Estimated: The MKE15Z256VLL7557 draws 10-15 mA active at 72 MHz with peripherals enabled. Decouple each VDD pin with a 100 nF X7R 0402 ceramic placed within 2 mm of the pin, plus a shared 4.7 uF bulk capacitor on each VDD/VSS pair. Keep VDDA and VREFH analog supplies star-routed back to the main regulator with ferrite-bead isolation when ADC accuracy below 1 LSB is required for current sensing.
Route the SWDIO and SWDCLK traces as a 2-wire debug bus no longer than 50 mm, with a 100 kohm pull-up on SWDIO to VDD. Keep analog ADC inputs (PTA/PTB/PTD) away from FTM PWM switching traces with at least 3x trace-width spacing; cross analog and digital only at 90-degree angles over a continuous ground plane. Place the 32.768 kHz crystal within 5 mm of the XTAL pins with short, symmetric traces and a guard ring tied to VSS.
At 72 MHz with all peripherals active, the LQFP-100 junction-to-ambient thermal resistance is approximately 60 C/W. Estimated: at 1.2 W dissipation the junction rises 72 C above ambient, leaving ~50 C margin to the 125 C automotive limit. Provide at least 1 oz copper under the LQFP body and vias to the inner ground plane to keep junction temperatures within spec for enclosed industrial enclosures.
Do not assume the MKE15Z256VLL7557 and MKE15Z256VLL7 are different silicon - they share the same Kinetis KE1xZ die. Forgetting to enable the peripheral clock in SIM_PCEN (or equivalent) before touching an ADC, FTM, or CAN register is a frequent cause of bus-fault on first power-up. Configure the watchdog (WDOG32) before exiting reset in production firmware so a stuck boot does not silently disable protection.
Reserve a continuous ground plane under the MCU. Place the VREFL/VREFH decoupling (100 nF plus 4.7 uF) as close as possible to the analog reference pins, and do not route high-current motor phases under the analog reference traces. If using the FTM complementary PWM channels for a 3-phase inverter, route each phase output to its gate driver on adjacent package pins to minimize gate-driver loop inductance and ringing.
Thông tin tuân thủ
RoHS and lead-free confirmed via NXP product environmental compliance data. Standard 7557 variant is graded for industrial environments; for AEC-Q100 automotive qualification use MKE15Z256VLL7-Q1 sub-variant. Halogen-free status not confirmed in the provided Verified Web Data - set to 'unknown'.
