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
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7.1.8.3 USB Interface
The microcontroller board is equipped with a USB memory connector that functions as a
USB interface.
The external appearance of the USB memory connector is shown in Figure 42 and the
USB memory connector specifications are given in Table 13.
USB Memory Connector
Figure 42 USB Memory Connector External Appearance
Table 13 USB Memory Connector Specifications
Pin No.
I/O
(*)
Microcontroller connection destination
Pin No.
Signal Name
1
―
―
+5V（VBUS）
2
I/O
118
UDM0（D-）
3
I/O
119
UDP0（D+）
4
―
―
GND
5
―
―
GND
* I/O as seen from the microcontroller.