mpc82x52a Megawin Technology, mpc82x52a Datasheet - Page 59
mpc82x52a
Manufacturer Part Number
mpc82x52a
Description
8-bit Micro-controller
Manufacturer
Megawin Technology
Datasheet
1.MPC82X52A.pdf
(72 pages)
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MEGAWIN
Reset and Boot Entrance
There could be five conditions will cause the device to be reset.
On the power-up moment, the device will load the NVM bit HWBS (OR0.3) into a bit
named SWBS in SFR ISPCR (explained later), and then determine the boot entrance
according to SWBS.
If a reset is caused exclusive Power-Up, the boot entrance is determined only by SWBS
while no preloading happens from HWBS to SWBS.
The RST pin is used to reset this device. It is connected into the device to a Schmitt
Trigger buffer to get excellent noise immunity.
Any positive pulse from RST pin must be kept at least 10us plus 36 oscillation cycles, or
the device cannot be reset.
Power-Up
RST pin press
Watch Dog Timer overflows
Power supply drops (option reset)
Software invokes
MPC82x52A Data Sheet
59
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