bit
name
description
7
Do not use (write zero)
6
FIFO_RST
‘
1’: FIFO reset
5
DMA_EN
Direct media access enable (reserved for future usage, DO NOT USE)
4
FMW_EN
‘
1’: Flash memory write enable
3
HISPD
‘
1’: High speed mode (6.144MHz) , ‘0’: 768KHz
2
IEN
‘
1’: Interrupt enable
1
SPI1_EN
‘
1’: DAC SPI I/F enable signal
0
SPI0_EN
‘
1’: CODEC SPI I/F enable signal
Table 3: control register
5 Tools
There is several programs working with with MPX
TM
. At least, a mandatory program named as
“mpxtool.com”, exists to test MPX
TM
. It’s a command line tool to playback meida files. Another
important tool is FlashPack
TM
memory tool, “fpmt.com”. Download them from Jun Soft blog and
refer to output messages of the program with 'h' option. Some examples are following.
To playback a mp3 file, MPX
TM
in slot 2
A:> mpxtool <mp3_file_name> /s2
With more detail information
A:> mpxtool <mp3_file_name> /v2
To update MIOS
Move the switch of MPX
TM
to 'ON' side if needed.
A:> fpmt w mios.rom /s1/t3
6 MIOS
In the flash memory of MPX
TM
, MIOS is pre-installed or you can install it by the FlashPack
TM
memory tool. MIOS is currently under development but it's an important part of the MPX
TM
project.
MSX was indeed born from the compatibility as you know, that must be kept as possible as we can.
All user applications are recommended to access MPX
TM
through MIOS. In the near future, new
10/11
2017 © Jun Soft