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  1. Devices
  2. K40 Series
  3. MK40DX128xxx7

MK40DX128xxx7

NXP

The Kinetis K4x MCU family is pin-peripheral and software-compatible with the Kinetis K1x MCU family and adds full-speed USB 2.0 On-The-Go with device charge detect capability and a flexible low-power segment LCD controller with support for up to 320 segments.
Devices start from 64 KB of flash in 64-pin QFN packages extending up to 512 KB in a 144-pin MAPBGA package with a rich suite of analog, communication, timing and control peripherals.

Core

Processor

Cortex-M4
Maximum Clock Frequency 72 MHz
Memory Protection Unit NO_MPU
Floating Point Unit NO_FPU
Trust Zone
Digital Signal Processor
CortexM Vector Extensions
Endian Little-endian