Kinetis® K5x Measurement Microcontrollers (MCUs) based on ARM® Cortex®-M4 Core

The Kinetis® K5x MCU family provides an analog measurement engine integrating operational and transimpedance amplifiers as well as high-resolution ADCs and DACs for medical and industrial applications.

Kinetis K5xMeasurement MCUs
CPU HMI Communication Analog Security
Products ARM
Cortex-M4
Memory Segment LCD
(frontplanes x
backplanes)
USB 2.0 10/100Mbps
Ethernet
w/ IEEE 1588
16-bit
SAR
DAC
12-bit
DAC
PGA
OPAMP
TRIAMP
RNG
mmCAU
K53
Segment LCD &
Ethernet
100 MHz 512 KB Flash
64 - 128 KB SRAM
External Bus Interface
Up to 40x8 / 44x4 1x
Full-Speed
1x
MII / RMII
2 2 2 2 2
K52
Ethernet
100 MHz 512 KB Flash
128 KB SRAM
External Bus Interface
1x
Full-Speed
1x
MII / RMII
2 2 2 2 2
K51
Segment LCD
100 MHz 256 - 512 KB Flash
64 - 128 KB SRAM
External Bus Interface*
Up to 40x8 / 44x4 1x
Full-Speed
2 2 2 2 2
72 MHz 160 - 288 KB Flash
32 - 64 KB SRAM
Up to 36x8 / 40x4 1x
Full-Speed
2 1 2* 2 1
K50
Mainstream
100 MHz 256 - 512 KB Flash
64 - 128 KB SRAM
External Bus Interface
1x
Full-Speed
2 2 2 2 2
72 MHz 160 - 288 KB Flash
32 - 64 KB SRAM
1x
Full-Speed
2 1 2* 2 1

* : Feature only supported by a subset family

  • MII: Media Independent Interface
  • RMII: Reduced MII interface
  • RNG: Random Number Generator
  • mmCAU: Symmetric Crypto Accelerator
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