CHAPTER 17 µPD78F9436, 78F9456
17.1.2 Function of flash memory programming
By transmitting/receiving commands and data in the selected communication mode, operations such as writing to
the flash memory are performed. Table 17-3 shows the major functions of flash memory programming.
Table 17-3. Functions of Flash Memory Programming
Function
Batch erase
Description
Erases all contents of memory
Batch blank check
Data write
Checks erased state of entire memory
Write to flash memory based on write start address and number of data written (number of bytes)
Compares all contents of memory with input data
Batch verify
17.1.3 Flashpro III connection example
How the Flashpro III is connected to the µPD78F9436 or 78F9456 differs depending on the communication mode
(3-wire serial I/O or UART). Figures 17-2 and 17-3 show the connection in the respective modes.
Figure 17-2. Flashpro III Connection Example in 3-Wire Serial I/O Mode
µ
Flashpro III
PD78F9436, 78F9456
V
PPnNote
V
V
PP
VDD
DD, AVDD
RESET
CLK
SCK
SO
RESET
X1
SCK20
SI20
SI
SO20
GND
VSS, AVSS
Note n = 1, 2
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NEC [ NEC ]
