PXN20RM Datasheet, PDF (125/1376 Pages) Freescale Semiconductor, Inc – PXN20 Microcontroller

System Clock Description
16_MHZ_IRC
4 – 40_MHz_XTAL
System
Clock
Selector
FMPLL
PLL_Clk
Clock Monitor Unit ^{116 MHz}
1 to
16₁
32_kHz_XTAL
128_kHz_IRC
4 – 40_MHz_XTAL
16_MHZ_IRC
System clock
2 2 2
Core,
Platform
IOP
1 to 8₂
1 to 8₂
1 to 8₂
1 to 8₂
1 to 16₁
1 to 16₁
1 to 4₃
FEC
MLB
DIM
FlexRay
Peripheral
Set 1
Peripheral
Set 2
Peripheral
Set 3
Peripheral
Set 4
API/RTC
1: Dividers: 1, 2, 4, 8, 16
2: Dividers: 1, 2, 4, 8
3: Dividers: 1, 2, 4
System clock
CLKOUT
Selector
1 to 8₂
Figure 5-2. PXN20 System Clock Architecture
Watchdog
CLKOUT
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor
5-7