UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 155

• Manufacturer Part Number: UPD78F9502MA-CAC-A
• Description: 8BIT MCU, 4K FLASH, 128B RAM, SMD
• Manufacturer: NEC

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

Caution Be sure to perform the series of operations described above using the user program at an
Remark
address where data is not erased nor written.
<1> to <7> in Figure 14-16 correspond to <1> to <7> in 14.8.4 (previous page).
<4>
<5>
Figure 14-16. Example of Shifting to Self Programming Mode
FLPMC = 0FEH (inverted set value)
Shift to self programming mode
<1> Disable interrupts (by setting
<6> Check execution result
FLPMC = 01H (set value)
FLPMC = 01H (set value)
MK0 to FFH and executing DI
instruction)
<2> Clear FLCMD
<3> Clear PFS
<7> Termination
Preliminary User’s Manual U18681EJ1V0UD
HALT instruction
(FLCMD=00H).
NOP instruction
(FPRERR flag)
PFCMD = A5H
CHAPTER 14 FLASH MEMORY
Set the CPU clock so that it is 1 MHz
or more during self programming.
Normal
; When interrupt function is used
; Set value is invalid
; Set value is valid
Abnormal
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