NEC mPD789101, User Manual

Page: 233 / 265

CHAPTER 18
µ
PD78F9116, 78F9136
User’s Manual U13045EJ2V0UM00
233
18.1.2 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 18-3 shows the major functions of flash memory programming.
Table 18-3. Functions of Flash Memory Programming
Function Description
Batch erase Erases all contents of memory
Batch blank check Checks erased state of entire memory
Data write Write to flash memory based on write start address and number of data written (number of bytes)
Batch verify Compares all contents of memory with input data
18.1.3 Flashpro III connection example
Connection between the Flashpro III and the
µ
PD78F9116 and 78F9136 differs depending on the communication
mode (3-wire serial I/O, UART, or pseudo 3-wire mode). Figures 18-2 to 18-4 show the connection examples in the
respective modes.
(a) Connection between
µ
PD78F9116 and Flashpro III
Figure 18-2. Flashpro III Connection in 3-Wire Serial I/O Mode
Note n = 1, 2
V
PP
n
Note
V
DD
RESET
SCK
SO
SI
GND
V
PP
V
DD
, AV
DD
RESET
SCK20
SI20
SO20
V
SS
, AV
SS
CLK X1
Flashpro III PD78F9116
µ