Kinetis® K6x Ethernet Microcontrollers (MCUs) based on ARM® Cortex®-M4 Core

The K6x ARM Cortex-M4 MCU family offers 10/100Mbps Ethernet with IEEE 1588 Precision Time Protocol (PTP) transceiver and USB 2.0 On-The-Go (OTG).

Kinetis® K6x Ethernet MCUs
CPU Communications Analog Security
Products ARM
Cortex-M4
Memory 10/100Mbps
Ethernet
w/ IEEE 1588
USB 2.0
Controllers
PGA 16-bit
SAR ADC
12-bit
DAC
RNG
mmCAU
Anti-tamper
K66
Performance
180 MHz
w/ FPU
1-2 MB Flash
256 KB SRAM
SDRAM Controller
1x
MII / RMII
2x
Full-Speed
Crystal-less +
High-Speed
w/ HS PHY
2 2
K65
Performance &
Anti-tamper
180 MHz
w/ FPU
1-2 MB Flash
256 KB SRAM
SDRAM Controller
1x
MII / RMII
2x
Full-Speed
Crystal-less +
High-Speed
w/ HS PHY
2 2
K64
High SRAM
120 MHz
w/ FPU
640 KB - 1 MB Flash
256 KB SRAM
1x
MII* / RMII
1x
Full-Speed
Crystal-less
2 2*
K63
High SRAM &
Anti-tamper
120 MHz
w/ FPU
1 MB Flash
256 KB SRAM
1x
MII / RMII
1x
Full-Speed
Crystal-less
2 2
K61
Mixed Signal &
Anti-tamper
120 - 150 MHz
w/ FPU
1 MB Flash
128 KB SRAM
NAND Controller
DDR1/DDR2/LPDDR1
Controller*
1x
MII / RMII
2x
Full-Speed +
High-Speed
(no HS PHY)
4 4 2
K60
Mixed Signal
120 MHz
w/ FPU
1 MB Flash
128 KB SRAM
NAND Controller
1x
MII / RMII
2x
Full-Speed +
High-Speed
(no HS PHY)
4 4 2
100 MHz 256 - 512 KB Flash
64 - 128 KB SRAM
1x
MII* / RMII
1x
Full-Speed
2 2 2*

* : 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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