mpc82x52a Megawin Technology, mpc82x52a Datasheet - Page 64
mpc82x52a
Manufacturer Part Number
mpc82x52a
Description
8-bit Micro-controller
Manufacturer
Megawin Technology
Datasheet
1.MPC82X52A.pdf
(72 pages)
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Avoid Inadvertent Data Lost from IAP/ISP
If the user invoke ISP/IAP function in his application, it is possible the MCU inadvertently
jumps to those ISP/IAP statements while the power supply drops under specific level. The
ISP/IAP statements could destroy the flash content.
To avoid the MCU inadvertently jumps to IAP/ISP instructions while the voltage falls under a
specific level on power-up and power-off moment, it is strongly suggested that the user
enables the Low-Voltage-Reset function by clearing bit ENLVR(OR0.6) to makes this device
never work under Low-Voltage.
Also the user should make great use of LVF(PCON.5) and ENLVFI(AUXR.2) to detect the
voltage dropping.
64
MPC82x52A Data Sheet
MEGAWIN
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