UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 167
UPD78F9502MA-CAC-A
Manufacturer Part Number
UPD78F9502MA-CAC-A
Description
8BIT MCU, 4K FLASH, 128B RAM, SMD
Manufacturer
NEC
Datasheet
1.UPD78F9502MA-CAC-A.pdf
(229 pages)
Specifications of UPD78F9502MA-CAC-A
Controller Family/series
UPD78F
No. Of I/o's
8
Ram Memory Size
128Byte
Cpu Speed
10MHz
No. Of Timers
2
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
4KB
Oscillator Type
External, Internal
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Note This setting is not required when the watchdog timer is not used.
Remark
<1> to <10> in Figure 14-20 correspond to <1> to <10> in 14.8.8 (previous page).
Figure 14-20. Example of Byte Write Operation in Self Programming Mode
<4> Set data to be written to FLW
<6> Clear & restart WDT counter
<3> Set address at which data
<1> Set byte write command
<7> Execute HALT instruction
<2> Set no. of block to be
is to be written, to FLAPL
<10> Normal termination
(VCERR and WEPRERR flags)
<8> Check execution result
(WDTE = ACH)
written, to FLAPH
(FLCMD = 05H)
<5> Clear PFS
Byte write
Preliminary User’s Manual U18681EJ1V0UD
CHAPTER 14 FLASH MEMORY
Normal
Note
Abnormal
<9> Abnormal termination
167
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