NXP Semiconductors K22F series - Page 159

Table 5-2. Module clocks (continued)
Module Bus interface clock Internal clocks I/O interface clocks
Crossbar Switch System clock — —
Peripheral bridges System clock Bus clock, Flash clock —
LLWU, PMC, SIM, RCM Flash clock LPO —
Mode controller Flash clock — —
MCM System clock — —
EWM Bus clock LPO —
Watchdog timer Bus clock LPO —
Clocks
MCG Flash clock MCGOUTCLK, MCGPLLCLK,
MCGFLLCLK, MCGIRCLK,
OSCCLK, RTC OSC,
IRC48MCLK
—
OSC Bus clock OSCERCLK, OSCCLK,
OSCERCLK_UNDIV,
OSC32KCLK
—
IRC48M — IRC48MCLK —
Memory and memory interfaces
Flash Controller System clock Flash clock —
Flash memory Flash clock — —
FlexBus System clock — CLKOUT
EzPort System clock — EZP_CLK
Security
CRC Bus clock — —
RNGA Bus clock — —
Analog
ADC Bus clock OSCERCLK , IRC48MCLK —
CMP Bus clock — —
DAC Bus clock — —
VREF Flash clock — —
Timers
PDB Bus clock — —
FlexTimers Bus clock MCGFFCLK FTM_CLKINx
PIT Bus clock — —
LPTMR Flash clock LPO, OSCERCLK_UNDIV,
MCGIRCLK, ERCLK32K
—
RTC Flash clock EXTAL32 —
Communication interfaces
USB FS OTG System clock USB FS clock —
DSPI Bus clock — DSPI_SCK
I
2
C Bus clock — I2C_SCL
UART0, UART1 System clock — —
Table continues on the next page...
Chapter 5 Clock Distribution
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
NXP Semiconductors 159