
Kinetis K2x USB MCU Family
The Kinetis K series MCU portfolio offers the broadest selection of pin-, peripheral-and software-compatible MCU families based on the Arm Cortex-M4 core.
The K2x MCU family integrates cost-effective full-and high-speed USB 2.0 on-the-go (OTG) with device charge detect capability and crystal-less functionality.
CPU | Communications | Security | |||||||
---|---|---|---|---|---|---|---|---|---|
Sub-Families | Arm Cortex-M4 |
Memory | USB Controllers |
I2S
|
CAN
|
RNG
|
Symmetric Crypto
Accelerator |
Anti-tamper
|
|
K28 Dual-USBs, Large Memory and PMC w/ Core Voltage Bypass |
K28_150 | 150 MHz w/ FPU | 2 MB Flash 1 MB SRAM SDRAM Controller QuadSPI XIP interface |
2 x Full-Speed Crystal-Less + High-Speed w/ HS PHY |
2 | ||||
K27 Dual-USBs and Large Memory |
K27_150 | 150 MHz w/ FPU | 2 MB Flash 1 MB SRAM SDRAM Controller QSPI interface |
2 x Full-Speed Crystal-Less + High-Speed w/ HS PHY |
2 | ||||
K26 Dual-USBs and Large Flash Memory |
K26_180 | 180 MHz w/ FPU | 2 MB Flash 256 KB SRAM SDRAM Controller |
2 x Full-Speed Crystal-Less + High-Speed w/ HS PHY |
1 | 2 | |||
K24 Cost-Effective and 256KB SRAM |
K24_120 | 120 MHz w/ FPU | 256 KB - 1 MB Flash 256 KB SRAM |
1 x Full-Speed |
1 | 1* | * | ||
K22 Cost-Effective |
K22_120 | 120 MHz w/ FPU | 128 KB - 1 MB Flash 48 - 128 KB SRAM |
1 x Full-Speed Crystal-Less* |
1 | 1* | * | ||
K22_100 | 100 MHz w/ FPU | 128 KB Flash 24 KB SRAM |
1 x Full-Speed Crystal-Less |
1 | 1* | ||||
K22_50 | 50 MHz | 192 - 512 KB Flash 32 - 64 KB SRAM |
1 x Full-Speed |
1 | 1* | ||||
K21 Advanced Security |
K21_120 | 120 MHz w/ FPU | 640 KB – 1 MB Flash 128 KB SRAM |
1 x Full-Speed |
1 | 1* | |||
K21_50 | 50 MHz | 192 - 512 KB Flash 32 - 64 KB SRAM |
1 x Full-Speed |
1 | 1* | ||||
K20 High Mixed-Signal Integration |
K20_120 | 120 MHz w/ FPU | 512 KB – 1 MB Flash 128 KB SRAM NAND Controller |
2 x Full-Speed + High-Speed |
2* | 2* | |||
K20_100 | 100 MHz | 256 - 512 KB Flash 32 - 128 KB SRAM |
1 x Full-Speed |
2* | 2* | ||||
K20_72 | 72 MHz | 96 - 288 KB Flash 16 - 64 KB SRAM |
1 x Full-Speed |
2* | 2* | ||||
K20_50 | 50 MHz | 32 - 160 KB Flash 8 - 16 KB SRAM |
1 x Full-Speed |
2* | 2* |
* Feature only supported by a subset family
The Kinetis K series MCU portfolio offers the broadest selection of pin-, peripheral-and software-compatible MCU families based on the Arm Cortex-M4 core.