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
44
7.1.7.3 Selection Indicator LED
The microcontroller board is equipped with a selection indicator LED that indicates
selection status. The external appearance and connection diagram of the selection indicator
LED are shown in Figure 39 and the selection indicator LED specifications are given in Table
12.
Selection
Indicator LED
music1.xxx
music2.xxx
music3.xxx
music4.xxx
music5.xxx
Microcontroller
Pin No.22:P38
Pin No.23:P39
P38 LED
Pin No.24:P3A
Pin No.25:P3B
Pin No.26:P3C
P39 LED
P3A LED
P3B LED
P3C LED
+3.3V
Figure 39 Selection Indicator LED External Appearance and Connection Diagram
Table 12 Selection Indicator LED Specifications
No.
Item
Color
Microcontroller
connection destination
Specifications
1
P38 LED
Green
Pin No. 22: P38
Microcontroller H output: Off
Microcontroller L output: On
2
P39 LED
Green
Pin No. 23: P39
Microcontroller H output: Off
Microcontroller L output: On
3
P3A LED
Green
Pin No. 24: P3A
Microcontroller H output: Off
Microcontroller L output: On
4
P3B LED
Green
Pin No. 25: P3B
Microcontroller H output: Off
Microcontroller L output: On
5
P3C LED
Green
Pin No. 26: P3C
Microcontroller H output: Off
Microcontroller L output: On