Flash Memory Programming Function; Connection Example Of Flashpro Iii - NEC UPD789026 Series User Manual

13.1.2 Flash memory programming function

An operation such as writing the flash memory is performed when a command or data is transmitted/received in
the selected communication mode. The major flash memory programming functions are listed in Table 13-3.
Function
Batch erase
Batch blank check
Data write
Batch verify

13.1.3 Connection Example of Flashpro III

Connection with Flashpro III differs depending on the communication mode (3-wire serial I/O, UART, or pseudo
3-wire mode). Figures 13-2 through 13-4 show the connection in the respective modes.
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Note n = 1, 2
CHAPTER 13 µ µ µ µ PD78F9026A
Table 13-3. Major Flash Memory Programming Functions
Erases all memory contents.
Checks erased status of entire memory.
Writes data to flash memory starting from write start address and based on number of data (bytes)
to be written.
Compares all contents of memory with input data
Figure 13-2. Connection Example of Flashpro III in 3-Wire Serial I/O Mode
Flashpro III
Note
V n
PP
V
DD
RESET
SCK
SO
SI
GND
User's Manual U11919EJ3V0UM00
Description
µ
PD78F9026A
V
PP
V , V
DD0 DD1
RESET
SCK0
SI0
SO0
V , V
SS0 SS1
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