Fujitsu MB9B500 Series Manual del usuario - Página 16

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Fujitsu MB9B500 Series Manual del usuario

4.2 Nand Flash

Hardware Setting
None
Flowchart
Initial external bus
8 bit data width)
Usage
1) Open Nand Flash sample project, and start debug.
2) Use "step over" to debug, and watch local variable "flash_id", "buf".

4.3 RTC

Hardware Setting
It is an
option
that user can user external battery to supply power for RTC module
(RX8025-T) so that the date and time can be stored after system power shut down.
Flowchart
Start
Initial MFS channel 5
(set IIC mode)
Enable FOE signal
(FOUT output 32.768khz
wave after it is enabled)
Start
Erase page 11 of
(Use CS7 area,
Write data into
Read Flash ID
page 11 of block 0
Read data from
page 11 of block 0
Figure 4-4: Nand Flash Sample Code Flowchart
Write 0 to second register
Write 30 to minute register
Write 8 to hour register
Figure 4-5: RTC Sample Code Flowchart
Erase page 20 of
block 0
block 100
Write data into page
20 of block 100
Read data from page
20 of block 100
End
Read to second register
Read to minute register
Read to hour register
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