Conversion Operation Using Μdmac Or Ei - Fujitsu F2MC-16LX Hardware Manual

Conversion Operation Using µDMAC or EI
19.4.1
The 10-bit A/D converter allows the transfer of A/D conversion result to memory using
the µDMAC or EI 2
OS.
Conversion Operation Using µDMAC or EI
Figure 19.4-4 shows the operation flow when using the µDMAC or EI
Figure 19.4-4 Example of Operation Flow Chart when µDMAC or EI
A/D conversion start
Sample hold
A/D convert start
A/D conversion end
Interrupt generation
*: Decided by the setting of
By using the µDMAC or EI
the memory without losing data even in the continuous conversion.
2
OS
µDMAC or EI
2
Conversion data transmission
Specified
number of times*
end?
NO
Interrupt clear
µDMAC or EI 2
OS
2
OS, the conversion data protection function allows the assured data transfer to
CHAPTER 19 8/10-BIT A/D CONVERTER
2
OS.
OS start
YES
Interrupt processing
2
OS
2
OS is Used
445