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Ultra-Low-Power Arm® Cortex®-A5 Core-Based MPU, Graphics Interface, Ethernet 10/100, IEEE®1588, CAN-FD, USB, AEC-Q100 Grade 2
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22
Advanced Interrupt Controller (AIC)
22.8
Functional Description
22.8.1
Interrupt Source Control
22.8.1.6
External Interrupt Source Input Stage
Description
Features
1
Configuration Summary
2
Block Diagram
3
Signal Description
4
Microchip Recommended Power Management Solutions
5
Automotive Quality Grade
6
Safety and Security Features
7
Pinout
8
Power Considerations
9
Memories
10
Event System
11
System Controller
12
Peripherals
13
Chip Identifier (CHIPID)
14
Cortex-A5 Processor (ARM)
15
L2 Cache Controller (L2CC)
16
Debug and Test Features
17
Standard Boot Strategies
18
CPU System Bus Matrix (CPUMX)
19
Matrix (H64MX/H32MX)
20
Special Function Registers (SFR)
21
Special Function Registers Backup (SFRBU)
22
Advanced Interrupt Controller (AIC)
22.1
Description
22.2
Embedded Characteristics
22.3
Block Diagram
22.4
Application Block Diagram
22.5
Detailed Block Diagram
22.6
I/O Line Description
22.7
Product Dependencies
22.8
Functional Description
22.8.1
Interrupt Source Control
22.8.1.1
Interrupt Source Mode
22.8.1.2
Interrupt Source Enabling
22.8.1.3
Interrupt Clearing and Setting
22.8.1.4
Interrupt Status
22.8.1.5
Internal Interrupt Source Input Stage
22.8.1.6
External Interrupt Source Input Stage
22.8.2
Interrupt Latencies
22.8.3
Normal Interrupt
22.8.4
Fast Interrupt
22.8.5
Protect Mode
22.8.6
Spurious Interrupt
22.8.7
General Interrupt Mask
22.8.8
Register Write Protection
22.9
Register Summary
23
Watchdog Timer (WDT)
24
Reset Controller (RSTC)
25
Shutdown Controller (SHDWC)
26
Periodic Interval Timer (PIT)
27
Real-time Clock (RTC)
28
System Controller Write Protection (SYSCWP)
29
Slow Clock Controller (SCKC)
30
Peripheral Touch Controller (PTC)
31
Low Power Asynchronous Receiver (RXLP)
32
Clock Generator
33
Power Management Controller (PMC)
34
Parallel Input/Output Controller (PIO)
35
External Memories
36
DDR-SDRAM Controller (MPDDRC)
37
Static Memory Controller (SMC)
38
DMA Controller (XDMAC)
39
LCD Controller (LCDC)
40
Ethernet MAC (GMAC)
41
USB Device High Speed Port (UDPHS)
42
USB Host High Speed Port (UHPHS)
43
Audio Class D Amplifier (CLASSD)
44
Inter-IC Sound Controller (I2SC)
45
Synchronous Serial Controller (SSC)
46
Two-wire Interface (TWIHS)
47
Flexible Serial Communication Controller (FLEXCOM)
48
Universal Asynchronous Receiver Transmitter (UART)
49
Serial Peripheral Interface (SPI)
50
Quad Serial Peripheral Interface (QSPI)
51
Secure Digital MultiMedia Card Controller (SDMMC)
52
Image Sensor Controller (ISC)
53
Controller Area Network (MCAN)
54
Timer Counter (TC)
55
Pulse Density Modulation Interface Controller (PDMIC)
56
Pulse Width Modulation Controller (PWM)
57
Secure Fuse Controller (SFC)
58
Integrity Check Monitor (ICM)
59
Advanced Encryption Standard Bridge (AESB)
60
Advanced Encryption Standard (AES)
61
Secure Hash Algorithm (SHA)
62
Triple Data Encryption Standard (TDES)
63
True Random Number Generator (TRNG)
64
Analog Comparator Controller (ACC)
65
Security Module (SECUMOD)
66
Analog-to-Digital Controller (ADC)
67
Electrical Characteristics
68
Mechanical Characteristics
69
Marking
70
Ordering Information
71
Revision History
Microchip Information
22.8.1.6 External Interrupt Source Input Stage
Figure 22-5.
External Interrupt Source Input Stage
