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The voltage applied to the V
• Hold the voltage applied to the V
the flash memory is being manipulated.
• The V
voltage must be stable from before manipulation of the flash memory starts until manipulation is
PP
complete.
Cautions 1. Apply 0 V to the V
2. Implement self-programming in single-chip mode 0 or 1.
3. Apply the voltage to the V
4. If both writing and erasing are executed by using the self-programming function and flash
memory programmer on the target board, be sure to communicate with the programmer
using CSI0 (do not use the handshake-supported CSI).
740
CHAPTER 16 FLASH MEMORY (
pin must satisfy the following conditions:
PP
pin at 0 V in the normal operation mode and hold the V
PP
pin when reset is released.
PP
pin in the entry program.
PP
Figure 16-15. Timing to Apply Voltage to V
V
or V
DD3
DD5
RESET signal
0 V
V
PP
V
signal
PP
0 V
User's Manual U14492EJ5V0UD
µ
PD70F3116)
Pin
PP
Flash memory
manipulation
voltage only while
PP
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