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
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7.2.3.3 MFS System Specifications
MFS system specifications are given in Table 17.
Table 17 MFS System Specifications
Channel No.
Function
Baud rate
Remarks
0
－
－
(Not used)
1
－
－
(Not used)
2
－
－
(Not used)
3
－
－
(Not used)
4
I
2
S(*)
1411200/1536000
(*)
LR channel data output to DAC
5
I
2
S(*)
1411200/1536000
(*)
Audio data output to DAC
6
－
－
(Not used)
7
－
－
(Not used)
(*) Used as CSIO in slave mode for both channel 4 and 5
Clock uses 8 divisions of 11.2896MHz or 12.288MHz.
Because PCM data of 1 sample output to DAC is 16-bit Stereos (2ch), it is played
at the sample rate of 44.1kHz or 48kHz by
- 141120/ 16(bit) / 2ch =44100
- 1536000 / 16 (bit) / 2 ch = 48000.
7.2.3.4 DMAC System Specifications
DMAC system specifications are given in Table 18.
Table 18 DMAC System Specifications
Channel No.
Application
Remarks
0
For data transmission to USB
1
For data transmission from USB
2
For I
2
S (ch5) output data transfer
Used for interrupt
3
For I
2
S (ch4) output data transfer
Set simultaneously with DMAC ch. 2