UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 327

• 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

19.2 Securing of user resources
implement each debug function. For details of the setting, refer to QB-MINI2 User’s Manual (U18371E).
• Securement of memory space
• Securement of serial interface for communication
The shaded portions in Figure 19-6 are the areas reserved for placing the debug monitor program, so user
programs cannot be allocated in these spaces.
The register settings, concerning the INTP3 pin used for communication between QB-MINI2 and the target
device, performed by the debug monitor program must not be changed.
The user must prepare the following to perform communication between QB-MINI2 and the target device and
INTP3 interrupt vector (2 bytes)
for software break (2 bytes)
Figure 19-6. Memory Spaces Where Debug Monitor Programs Are Allocated
Internal ROM space
304 bytes
CHAPTER 19 ON-CHIP DEBUG FUNCTION
Internal ROM
end address
User’s Manual U16898EJ5V0UD
0x7EH
0x18H
Stack area for debugging
Internal RAM space
(5 bytes)
Internal RAM
end address
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