UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 297
UPD78F9222MC(T)-5A4-A
Manufacturer Part Number
UPD78F9222MC(T)-5A4-A
Description
8BIT MCU, 4K FLASH, 256B RAM, 78F9222
Manufacturer
NEC
Datasheet
1.UPD78F9222MCT-5A4-A.pdf
(414 pages)
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
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Part Number:
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Note This setting is not required when the watchdog timer is not used.
Remark
<1> to <11>in Figure 18-21 correspond to <1> to <11> in 18.8.7 (previous page).
Figure 18-21. Example of Block Blank Check Operation in Self Programming Mode
<7> Clear & restart WDT counter
<8> Execute HALT instruction
<4> Set the same value as
that of FLAPH to FLAPHC
command (FLCMD = 04H)
<2> Set no. of block for
<5> Set FLAPLC to 00H
<11> Normal termination
<1> Set block blank check
<3> Set FLAPL to 00H
(VCERR and WEPRERR flags)
blank check to FLAPH
<9> Check execution result
Block blank check
(WDTE = ACH)
<6> Clear PFS
Normal
CHAPTER 18 FLASH MEMORY
User’s Manual U16898EJ5V0UD
Note
Abnormal
<10> Abnormal termination
297
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