Information

Table 1. Common features among all K20 devices (continued)
Timers • 1x8ch motor control/general purpose/PWM flexible
timer (FTM)
• 1x2ch quadrature decoder/general purpose/PWM
flexible timer (FTM)
• Carrier modulator timer (CMT)
• Programmable delay block (PDB)
• 1x4ch programmable interrupt timer (PIT)
• Low-power timer (LPT)
Communications • USB Full Speed/Low Speed OTG/Host/Device
• SPI
• I
2
C with SMBUS support
• UART (w/ ISO7816, IrDA and hardware flow control)
Human-machine interface • GPIO with pin interrupt support, DMA request
capability, digital glitch filter, and other pin control
options
4.1.1 Memory and package options
The following table summarizes the memory and package options for the K20 family. All devices which share a common
package are pin-for-pin compatible.
Table 2. K20 family summary
Sub-Family
Performance (MHz)
Memory Package
Flash (KB)
FlexNVM (KB)
SRAM (KB)
EEPROM/ FlexRAM (KB)
32 QFN (5x5) 48 QFN (7x7)
48 LQFP (7x7)
64 BGA (5x5)
64 LQFP (10x10) 80 LQFP (12x12)
81 BGA (8x8)
100 LQFP (14x14)
120 WLCSP (5.3x5.3)
121 BGA (8x8)
144 LQFP (20x20)
144 BGA (13x13)
K20N 50 32 — 8 — + + + + + — — — — — — —
50 64 — 16 — + + + + + — — — — — — —
50 128 — 16 — + + + + + — — — — — — —
50 512 — 64 — — — — — + + — — — + — —
100 512 — 128 — — — — — — + — + + + + +
120 1024 — 128 — — — — — — — — — — — + +
Table continues on the next page...
Features
K20 Family Product Brief, Rev. 11, 08/2012
6 Freescale Semiconductor, Inc.