RM0046 System Integration Unit Lite (SIUL)
Doc ID 16912 Rev 5 249/936
Figure 96. System Integration Unit Lite block diagram
11.3 Features
The System Integration Unit Lite provides these features:
● GPIO
– GPIO function on up to 64 I/O pins
– Dedicated input and output registers for each GPIO pin
● External interrupts
– 4 system interrupt vectors for up to 25 interrupt sources
– 25 programmable digital glitch filters
– Independent interrupt mask
– Edge detection
● System configuration
– Pad configuration control
IPS
BUS
Data
Pad Input
IO
Interrupt
Interrupt
Controller
IPS
Master
– Configuration
– Glitch Filter
Pad Configuration (IOMUXC)
Pad Config (PCRs)
GPIO Functionality
69
64
64
25
4
MUX
Pads
64
SIUL Module
Interrupt Functionality