UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 142

• Manufacturer Part Number: UPD78F9502MA-CAC-A
• Description: 8BIT MCU, 4K FLASH, 128B RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F9502MA-CAC-A

• Controller Family/series: UPD78F
• No. Of I/o's: 8
• Ram Memory Size: 128Byte
• Cpu Speed: 10MHz
• No. Of Timers: 2
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 4KB
• Oscillator Type: External, Internal

14.7 On-Board and Off-Board Flash Memory Programming
14.7.1 Flash memory programming mode
78F9502 are connected to the flash memory programmer and a communication command is transmitted to the
microcontroller, the microcontroller is set in the flash memory programming mode.
14.7.2 Communication commands
signals sent from the flash memory programmer to the PD78F9500, 78F9501, 78F9502 are called communication
commands, and the commands sent from the
programmer are called response.
programmer and the
communication commands.
flash memory programmer. The response names sent from the PD78F9500, 78F9501, 78F9502 are listed below.
142
Erase
Write
Checksum
Blank check
Security
PD78F9500, 78F9501, 78F9502 in the flash memory programming mode.
To rewrite the contents of the flash memory by using the dedicated flash memory programmer, set the
Change the mode by using a jumper when writing the flash memory on-board.
The dedicated flash memory programmer controls the PD78F9500, 78F9501, 78F9502 by using commands. The
Communication commands are listed in the table below. All these communication commands are issued from the
The PD78F9500, 78F9501, 78F9502 return a response for the communication command issued by the dedicated
Classification
PD78F9500, 78F9501, 78F9502 perform processing corresponding to the respective
Batch erase (chip erase) command
Block erase command
Write command
Checksum command
Blank check command
Security set command
Communication Command Name
Dedicated flash programmer
Figure 14-5. Communication Commands
Table 14-3. Communication Commands
FlashPro4
Bxxxxx
Cxxxxxx
Axxxx
PG-FP4
Preliminary User’s Manual U18681EJ1V0UD
CHAPTER 14 FLASH MEMORY
STATVE
PD78F9500, 78F9501, 78F9502 to the dedicated flash memory
Communication
Response
Erases the contents of the entire memory
Erases the contents of the memory of the specified block
Writes to the specified address range and executes a verify
check of the contents.
Reads the checksum of the specified address range and
compares with the written data.
Confirms the erasure status of the entire memory.
Prohibits batch erase (chip erase) command, block erase
command, and write command to prevent operation by third
parties.
78F9501, 78F9502
PD78F9500,
When the
Function
PD78F9500, 78F9501,