STC micro STC8A8K64D4 Series - Page 846

STC8A8K64D4 Series Manual
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In the FLASH space, the continuous 62.5K bytes of space starting from address 0000H is the user program area.
When the specific download conditions are met, the user is required to jump the PC to the user ISP program area. At
this time, the user program area can be erased and rewritten to achieve the purpose of updating the user program
The second step, the basic framework of the program
The third step, the firmware program description of the lower computer
The firmware program of the lower computer includes two parts: ISP (ISP code) and AP (user code)
FA00
F9FF
0000
User parameter area
(not runnable code)
User ISP area
User program area
0.5K
0.5K
62.5K
reset entry map area
0.5K
FC00
FBFF
FDFF
FE00
FFFF
MCU reset
Does it meet the
system upgrade
conditions?
Execute user function module
Yes
No
update user code
Software reset
Power-on self-test module
Is the system
normal?
Yes
No
exception handling