User Manual
Table Of Contents
- Revision History
- Table of Contents
- Target products
- 1 INTRODUCTION
- 2 OVERVIEW OF SIMPLE AV SYSTEM BOARD
- 3 PREPARATIONS
- 4 PROGRAM EXECUTION METHOD
- 5 SUPPORTED MEDIA
- 6 OPERATION METHOD
- 7 SPECIFICATIONS
- 7.1 Hardware
- 7.2 Software
- 7.2.1 Software Block Diagram
- 7.2.2 Software Library
- 7.2.3 System Specifications
- 7.2.4 API Specifications
- 7.2.5 Operation Limit
- 7.2.6 Operation Flow of Entire Application
- 7.2.7 Application State Transition
- 7.2.8 Operation Flow
- 7.2.8.1 Main Processing Function
- 7.2.8.2 USB Task Processing Function
- 7.2.8.3 File System (MDF) Task Processing Function
- 7.2.8.4 HMI Task Processing Function
- 7.2.8.5 AUDIO Play Task Processing Function
- 7.2.8.6 Switch Press Detection Processing Function
- 7.2.8.7 Processing Function After Switch Press Detection
- 7.2.8.8 Touch Panel Touch Detection Processing Function
- 7.2.8.9 Processing After Touch Panel Touch Detection Function
- 7.2.9 File Configuration
AN706-00040-2v0-E
40
7.1.5 DA Converter
The LCD board is equipped with a DA converter for I
2
S conversion. The external
appearance and connection diagram of the DA converter are shown in Figure 33.
DA Converter
Pin No.103:SOT4_0
Pin No.111:SCK5_1
DA Converter
Pin No.2:SDIN
Pin No.3:MCLK
Pin No.4:LRCK
Pin No.5:SCLK
Clock Generator
Pin No.5:CLK
Pin No.3:S0
Pin No.104:SCK4_0
Pin No.112:SOT5_1
Pin No.113:P63
11.2896MHz
or 12.288MHz
1.4112MHz
or 1.536MHz
Binary Counter
Pin No.2:CP
Pin No.12:Q2
Pin No.6:S1
Pin No.115:P61
Microcontroller
Figure 33 DA Converter External Appearance and Connection Diagram
7.1.6 Switches
7.1.6.1 Power switch
The LCD board is equipped with a power switch. The external appearance of the power
switch is shown in Figure 34.
For power supply method, see section 3.4.
Power Switch
Figure 34 Power Switch External Appearance