Contents

Introduction Features 1. Glossary 2. Pre-requisites 3. Setup 3.1. Hardware Setup 3.1.1. SAM L22 Xplained Pro 3.1.2. Segment LCD1 Xplained Pro Board 3.2. Software Setup 4. Segment Liquid Crystal Display (SLCD) Controller 4.1. Overview 4.2. Block Diagram 4.3. Functional Description 4.3.1. Basic Operation 4.3.2. DUTY and BIAS 4.3.3. Different Waveform Modes 4.3.4. LCD Frame Frequency 4.3.5. LCD Pins Selection 4.3.6. Display Memory Mapping 4.3.7. Frame Counters 5. Overview of Peripherals Used 5.1. DMAC 5.2. SERCOM – USART 6. SLCD Example Implementation in SAM L22 MCUs 6.1. Main Clock 6.2. Basic Configuration 6.2.1. System and Board Initialization 6.2.2. EDBG USART Initialization 6.2.3. SLCD Initialization 6.3. Character Mapping 6.3.1. Configuration Steps to Enable and Print the Character in this Mode 6.3.2. Example Configuration Used in this Application 6.3.3. Example Application Usage 6.4. Automated Character Mapping 6.4.1. Initialization 6.4.1.1. Automated Character Mode Initialization 6.4.1.2. ACM Scrolling Mode Initialization 6.4.1.3. ACM Scrolling Mode DMA Initialization 6.4.2. Configuration Steps to Enable and Scrolling the Characters in this Mode 6.4.3. Example Configuration Used in this Application 6.4.4. Example Application Usage 6.5. Automated Bit Mapping 6.5.1. Initialization 6.5.1.1. Automated Bit Mapping Mode Initialization 6.5.1.2. ABM Mode DMA Initialization 6.5.2. Configuration Steps to Enable ABM mode 6.5.3. Example Configuration Used in this Application 6.5.4. Example Application Usage 6.6. Blink Mode and Frequency Configuration 6.6.1. Configuration Steps to Enable the Blink Mode 6.6.2. Example Configuration Used in this Application 6.6.3. Example Application Usage 7. References 8. Revision History 9. Legal Disclaimer