NXP Semiconductors PXN2020 - 6.1.2 Features

Clocks, Reset, and Power (CRP)
PXN20 Microcontroller Reference Manual, Rev. 1
6-2 Freescale Semiconductor
Figure 6-1. CRP Block Diagram
6.1.2 Features
The CRP has these major features:
• Real-time clock/autonomous periodic interrupt (RTC/API):
— 32-bit counter
MHz XTAL
RTC /
LOW
BIU
POWER
FSM
API
CLOCKS,
RESET
CONTROL
WAKEUP,
POWER
STATUS
SEA-OF-GATES
LOGIC
16 MHz
128 kHz
32 kHz
CONTROL
CLOCK
BLOCK
VREG
4 – 40
RAM
BLOCKS
SYSTEM
POWER
SWITCHES
IP
ISOLATION
LOGIC
ISOLATION
INPUT
CLOCK
FMPLL
CRP
IRC
XTAL
IRC