Information

Table 5. K21 50MHz Performance Table 3 (continued)
MC Partnumber
MK21DX128VLK5(R) MK21DX256VLK5(R)
MK21DN512VLK5(R)
MK21DX128VMC5(R) MK21DX256VMC5(R)
MK21DN512VMC5(R)
Package LQFP LQFP LQFP MAPBGA MAPBGA MAPBGA
Memories and Memory Interfaces
Total Flash Memory 192KB 320KB 512KB 192KB 320KB 512KB
Flash 128KB 256KB 512KB 128KB 256KB 512KB
FlexNVM 64KB 64KB - 64KB 64KB -
EEPROM/FlexRAM 4KB 4KB - 4KB 4KB -
SRAM 32KB 32KB 64KB 32KB 32KB 64KB
Serial Programming Interface YES YES YES YES YES YES
External Bus Interface (FlexBus), Addr/
Data/CS
- - - - - -
Non-Muxed External Bus Interface
(Flexbus), Addr/Data/CS
- - - - - -
DDR Controller - - - - - -
NAND Flash Controller - - - - - -
Cache - - - - - -
Core Modules
DSP YES YES YES YES YES YES
SPFPU - - - - - -
Debug JTAG,
cJTAG,
SWD
JTAG,
cJTAG,
SWD
JTAG,
cJTAG,
SWD
JTAG,
cJTAG,
SWD
JTAG,
cJTAG,
SWD
JTAG,
cJTAG,
SWD
Trace TPIU, FPB,
DWT, ITM,
ETM
TPIU, FPB,
DWT, ITM,
ETM
TPIU, FPB,
DWT, ITM,
ETM
TPIU, FPB,
DWT, ITM,
ETM
TPIU, FPB,
DWT, ITM,
ETM
TPIU, FPB,
DWT, ITM,
ETM
NMI YES YES YES YES YES YES
System Modules
Software Watchdog YES YES YES YES YES YES
Hardware Watchdog YES YES YES YES YES YES
PMC YES YES YES YES YES YES
MPU - - - - - -
DMA 16ch 16ch 16ch 16ch 16ch 16ch
Clock Modules
MCG YES YES YES YES YES YES
OSC (32-40kHz/3-32MHz) 32-40kHz/
8-32MHz
32-40kHz/
8-32MHz
32-40kHz/
8-32MHz
32-40kHz/
8-32MHz
32-40kHz/
8-32MHz
32-40kHz/
8-32MHz
Secondary OSC - - - - - -
Table continues on the next page...
Features
K20 Family Product Brief, Rev. 11, 08/2012
18 Freescale Semiconductor, Inc.