UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 265

• Manufacturer Part Number: UPD78F9222MC(T)-5A4-A
• Description: 8BIT MCU, 4K FLASH, 256B RAM, 78F9222
• Manufacturer: NEC

Specifications of UPD78F9222MC(T)-5A4-A

• Controller Family/series: UPD78
• No. Of I/o's: 17
• Ram Memory Size: 256Byte
• Cpu Speed: 10MHz
• No. Of Timers: 4
• No. Of: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 4KB
• Oscillator Type: External, Internal

CHAPTER 18 FLASH MEMORY
18.1 Features
The internal flash memory of the 78K0S/KA1+ has the following features.
Erase/write even without preparing a separate dedicated power supply
Capacity: 2 KB/4 KB
• Erase unit: 1 block (256 bytes)
• Write unit: 1 block (at on-board/off-board programming time), 1 byte (at self programming time)
Rewriting method
• Rewriting by communication with dedicated flash memory programmer (on-board/off-board programming)
• Rewriting flash memory by user program (self programming)
Supports rewriting of the flash memory at on-board/off-board programming time through security functions
Supports security functions in block units at self programming time through protect bytes
265
User’s Manual U16898EJ5V0UD