HCSXXX Datasheet, PDF (17/28 Pages) Microchip Technology – Memory Programming Specification

FIGURE 4-6:
PROGRAMMING FLOW
CHART 3
Start
Set VDD =
5.0V ± 10%
Raise
NMCLR
Send Start
Sequence
Load 8-Bits
of Data
No All Locations
Loaded?
Yes
Load
Checksum
Wait TWC or
Poll Rising
Pulse
Program
Complete
Note: Applies to HCS512 only.
HCSXXX
FIGURE 4-7:
PROGRAMMING FLOW
CHART 4
Start
Set VDD =
5.0V ± 10%
Send Start
Sequence
Load 8-Bits
of Data
No All Locations
Loaded?
Yes
Wait TWC or
Poll Rising
Pulse
Program
Complete
Note: Applies to HCS500 and HCS515 only.
 2004 Microchip Technology Inc.
Preliminary
DS41256A-page 17