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31
CCL - Configurable Custom Logic
31.3
Functional Description
31.3.1
Operation
Introduction
AVR® DB
Family Overview
Features
1
Block Diagram
2
Pinout
3
I/O Multiplexing and Considerations
4
Hardware Guidelines
5
Power Supply
6
Conventions
7
AVR® CPU
8
Memories
9
GPR - General Purpose Registers
10
Peripherals and Architecture
11
NVMCTRL - Nonvolatile Memory Controller
12
CLKCTRL - Clock Controller
13
SLPCTRL - Sleep Controller
14
RSTCTRL - Reset Controller
15
CPUINT - CPU Interrupt Controller
16
EVSYS - Event System
17
PORTMUX - Port Multiplexer
18
PORT - I/O Pin Configuration
19
MVIO - Multi-Voltage I/O
20
BOD - Brown-out Detector
21
VREF - Voltage Reference
22
WDT - Watchdog Timer
23
TCA - 16-bit Timer/Counter Type A
24
TCB - 16-Bit Timer/Counter Type B
25
TCD - 12-Bit Timer/Counter Type D
26
RTC - Real-Time Counter
27
USART - Universal Synchronous and Asynchronous Receiver and Transmitter
28
SPI - Serial Peripheral Interface
29
TWI - Two-Wire Interface
30
CRCSCAN - Cyclic Redundancy Check Memory Scan
31
CCL - Configurable Custom Logic
31.1
Features
31.2
Overview
31.3
Functional Description
31.3.1
Operation
31.3.1.1
Enable-Protected Configuration
31.3.1.2
Enabling, Disabling, and Resetting
31.3.1.3
Truth Table Logic
31.3.1.4
Truth Table Inputs Selection
31.3.1.5
Filter
31.3.1.6
Edge Detector
31.3.1.7
Sequencer Logic
31.3.1.8
Clock Source Settings
31.3.2
Interrupts
31.3.3
Events
31.3.4
Sleep Mode Operation
31.4
Register Summary
31.5
Register Description
32
AC - Analog Comparator
33
ADC - Analog-to-Digital Converter
34
DAC - Digital-to-Analog Converter
35
OPAMP - Analog Signal Conditioning
36
ZCD - Zero-Cross Detector
37
UPDI - Unified Program and Debug Interface
38
Instruction Set Summary
39
Electrical Characteristics
40
Characteristics Graphs
41
Ordering Information
42
Package Drawings
43
Data Sheet Revision History
Microchip Information
31.3.1 Operation