r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 678

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Figure 32.6
32.4.9
When the program ROM area is specified while a program or block erase operation to the data flash, array data
can be read. This eliminates the need for writing software commands. Access time is the same as for normal
read operations.
Any other block of the data flash cannot read during a program or block erase operation to the data flash.
Figure 32.6 shows the BGO Function.
Data flash
Program ROM
BGO (BackGround Operation) Function
BGO Function
Read
Read
Erase/program
Read
Read
Time
32. Flash Memory
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