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31 CCL - Configurable Custom Logic
31.5 Register Description

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
- 31.4 Register Summary
- 31.5 Register Description
  - 31.5.1 Control A
    Control A
  - 31.5.2 Sequencer Control 0
    Sequencer Control 0
  - 31.5.3 Sequencer Control 1
    Sequencer Control 1
  - 31.5.4 Sequencer Control 2
    Sequencer Control 2
  - 31.5.5 Interrupt Control 0
    Interrupt Control 0
  - 31.5.6 Interrupt Control 1
    Interrupt Control 1
  - 31.5.7 Interrupt Flag
    Interrupt Flag
  - 31.5.8 LUT n Control A
    LUT n Control A
  - 31.5.9 LUT n Control B
    LUT n Control B
  - 31.5.10 LUT n Control C
    LUT n Control C
  - 31.5.11 TRUTHn
    TRUTHn
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