UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 304

8BIT MCU, 4K FLASH, 256B RAM, 78F9222

UPD78F9222MC(T)-5A4-A

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

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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304
Note This setting is not required when the watchdog timer is not used.
Remark
<1> to <11> in Figure 18-24 correspond to <1> to <11> of internal verify 2 in 18.8.9 (the page before
last).
Figure 18-24. Example of Internal Verify 2 Operation in Self Programming Mode
<5>
<3> Sets FLAPL to the start address
<7> Clear & restart WDT counter
<8> Execute HALT instruction
<4> Set the same value as
Sets FLAPLC to the end address
that of FLAPH to FLAPHC
command (FLCMD = 02H)
<11> Normal termination
internal verify, to FLAPH
(VCERR and WEPRERR flags)
<1> Set internal verify 2
<2> Set block no. for
<9> Check execution result
(WDTE = ACH)
Internal verify 2
<6> Clear PFS
Normal
CHAPTER 18 FLASH MEMORY
User’s Manual U16898EJ5V0UD
Note
Abnormal
<10> Abnormal termination

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