UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 286

• 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

286
•
•
Address: 0081H
µ
µ
PRSELF4
PRSELF4
PD78F9221
PD78F9222
7
1
0
0
0
0
1
0
0
0
0
0
0
0
0
1
PRSELF3
PRSELF3
PRSELF4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
6
Other than above
Other than above
PRSELF2
PRSELF2
PRSELF3
Figure 18-17. Format of Protect Byte
1
1
1
1
1
0
0
0
0
1
1
1
1
1
5
CHAPTER 18 FLASH MEMORY
User’s Manual U16898EJ5V0UD
PRSELF1
PRSELF1
PRSELF2
0
0
1
1
1
0
0
1
1
0
0
1
1
1
4
PRSELF0
PRSELF0
PRSELF1
0
1
0
1
1
0
1
0
1
0
1
0
1
1
3
Blocks 7 to 0 are protected.
Blocks 5 to 0 are protected.
Blocks 6 and 7 can be written or erased.
Blocks 3 to 0 are protected.
Blocks 4 to 7 can be written or erased.
Blocks 1 and 0 are protected.
Blocks 2 to 7 can be written or erased.
All blocks can be written or erased.
Setting prohibited
Blocks 15 to 0 are protected.
Blocks 13 to 0 are protected.
Blocks 14 and 15 can be written or erased.
Blocks 11 to 0 are protected.
Blocks 12 to 15 can be written or erased.
Blocks 9 to 0 are protected.
Blocks 10 to 15 can be written or erased.
Blocks 7 to 0 are protected.
Blocks 8 to 15 can be written or erased.
Blocks 5 to 0 are protected.
Blocks 6 to 15 can be written or erased.
Blocks 3 to 0 are protected.
Blocks 4 to 15 can be written or erased.
Blocks 1 and 0 are protected.
Blocks 2 to 15 can be written or erased.
All blocks can be written or erased.
Setting prohibited
PRSELF0
2
Status
Status
1
1
0
1