NEC mPD789026 Subseries, User Manual

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CHAPTER 13
µµµµ
PD78F9026A
User's Manual U11919EJ3V0UM00
181
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.
Table 13-3. Major Flash Memory Programming Functions
Function Description
Batch erase Erases all memory contents.
Batch blank check Checks erased status of entire memory.
Data write Writes data to flash memory starting from write start address and based on number of data (bytes)
to be written.
Batch verify Compares all contents of memory with input data
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.
Figure 13-2. Connection Example of Flashpro III in 3-Wire Serial I/O Mode
Flashpro III PD78F9026A
µ
V
PP
n
Note
V
DD
RESET
SCK
SO
SI
GND
V
PP
V
DD0
, V
DD1
RESET
SCK0
SI0
SO0
V
SS0
, V
SS1
Note n = 1, 2