Overview
The MK20DX256VLH7 is a microcontroller from NXP USA Inc., part of the Kinetis K20 family. This MCU is designed to offer a scalable entry point into the mid-performance Kinetis portfolio, providing various levels of integration. It is based on the ARM Cortex-M4 architecture, operating at a clock speed of 72 MHz. The device is well-suited for a wide range of applications requiring balanced performance, power efficiency, and feature richness.
Key Specifications
| Specification | Value |
|---|---|
| Architecture | ARM Cortex-M4 |
| CPU Speed | 72 MHz |
| Program Memory Size | 256 KB |
| RAM Memory Size | 64 KB |
| No. of Pins | 64 Pins |
| MCU Case Style | LQFP (10x10 mm) |
| No. of I/O's | 40 I/O's |
| Embedded Interface Type | CAN, I2C, I2S, SPI, UART, USB |
| Supply Voltage Range | 1.71 V to 3.6 V |
| Operating Temperature Range | -40°C to +105°C |
| EEPROM Memory Size | 2 KB |
| No. of Timers | 3 |
| Oscillator Type | External, Internal |
| Peripherals | ADC, Comparator, DAC, DMA, PWM, Timer |
| MSL | MSL 3 - 168 hours |
Key Features
- Multiple Low-Power Modes: Provides power optimization based on application requirements.
- DMA Controller: 16-channel DMA controller supporting up to 63 request sources.
- Security and Integrity Modules: Hardware CRC module and 128-bit unique identification (ID) number per chip.
- Analog Modules: Two 16-bit SAR ADCs, programmable gain amplifier (PGA), 12-bit DAC, and three analog comparators.
- Communication Interfaces: USB full-/low-speed On-the-Go controller, CAN module, SPI module, and multiple UARTs.
- Timers and Clocks: Programmable delay block, eight-channel motor control/general purpose/PWM timer, and real-time clock.
- Human-Machine Interface: Low-power hardware touch sensor interface (TSI) and general-purpose input/output.
Applications
The MK20DX256VLH7 is versatile and can be used in a variety of applications, including:
- Industrial Automation: For control and monitoring systems.
- Consumer Electronics: In devices requiring balanced performance and power efficiency.
- Medical Devices: For medical equipment that needs precise control and low power consumption.
- Automotive Systems: For various automotive applications requiring robust and reliable microcontrollers.
- IoT Devices: For Internet of Things applications that demand efficient processing and low power usage.
Q & A
- What is the CPU architecture of the MK20DX256VLH7?
The CPU architecture is ARM Cortex-M4.
- What is the maximum operating frequency of the MK20DX256VLH7?
The maximum operating frequency is 72 MHz.
- How much program memory does the MK20DX256VLH7 have?
The MK20DX256VLH7 has 256 KB of program memory.
- What is the supply voltage range for the MK20DX256VLH7?
The supply voltage range is from 1.71 V to 3.6 V.
- What are the operating temperature limits for the MK20DX256VLH7?
The operating temperature range is from -40°C to +105°C.
- Does the MK20DX256VLH7 support USB?
Yes, it supports full-/low-speed USB On-the-Go controller with an on-chip transceiver.
- What types of communication interfaces are available on the MK20DX256VLH7?
The device supports CAN, I2C, I2S, SPI, UART, and USB interfaces.
- What kind of analog modules are integrated into the MK20DX256VLH7?
The device includes two 16-bit SAR ADCs, a programmable gain amplifier (PGA), a 12-bit DAC, and three analog comparators.
- Does the MK20DX256VLH7 have any security features?
Yes, it includes a hardware CRC module and a 128-bit unique identification (ID) number per chip.
- What is the package type and pin count of the MK20DX256VLH7?
The package type is LQFP (10x10 mm) with 64 pins.
