UPD78F9177 Datasheet, PDF (17/56 Pages) NEC – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD78F9177, 78F9177Y
5.2 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 5-2 shows the major functions of flash memory programming.
Function
Batch erase
Batch blank check
Data write
Batch verify
Table 5-2. Functions of Flash Memory Programming
Description
Erases all contents of memory
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
5.3 Flashpro III Connection Example
How the Flashpro III is connected to the µPD78F9177 and µPD78F9177Y differs depending on the communication
mode (3-wired serial I/O, SMB, UART, or pseudo 3-wire mode). Figures 5-2 to 5-5 show the connection in the
respective mode.
Figure 5-2. Flashpro III Connection in 3-wired Serial I/O Mode
Flashpro III
VPPn^Note
VDD
RESET
CLK
SCK
SO
SI
GND
µ PD78F9177, 78F9177Y
VPP
VDD0, VDD1, AVDD
RESET
X1
SCK20
SI20
SO20
VSS0, VSS1, AVSS
Note n = 1, 2
Data Sheet U14022EJ1V0DS00
17