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Panasonic Semiconductor Development Company
Start routine for the load program
Reset start
SBT pin == high
SDB pin == low?
Wait t
SBT pin == high
SDB pin == low?
Has t
WAIT2
SBT pin == high
No
SDB pin == high?
Start serial writer
load program
Figure B-9 Load Program Start Flow
Conditions:
1.
After the load program initiates a reset start, SBD must be low and SBT
high.
2.
After the program waits t
SBT high.
3.
Within t
= 100 milliseconds, both SBD and SBT must be high.
WAIT2
If any of these conditions is not met, control returns to the user program.
326
Panasonic
MN102HF75K Flash EEPROM Version
Using the Onboard Serial Programming Mode
&&
No
Yes
WAIT1
&&
No
Yes
passed?
Yes
No
&&
Yes
= 10 milliseconds, SBD must still be low and
WAIT1
MN102H75K/F75K/85K/F85K LSI User Manual
Execute user
program
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