NT68F62 Datasheet, PDF (47/57 Pages) List of Unclassifed Manufacturers – 8-Bit Microcontroller for Monitor (32K Flash MTP Type)

NT68F62
Master Receiver
Reset Buffer Index
Last Comm,
is Repeat Start?
Yes
No
Just Recv.
One Byte Data?
Yes
After Recv. Data
Send Repeat Start?
No
No
No
Yes
ENDDC = 0
Send NO_ACK
Set Last Byte Flag
Send Address
Open INTTX INTNAK
Send Address
Send Repeat Start
set last byte flag
Open INTRX & INTNAK
No
Just Recv.
One Byte Data?
Yes
After Recv. Data
Send Repeat Start?
No
ENDDC = 0
Send NO_ACK
Set Last Byte Flag
MODE = 0
Send Address
Open INTTX & INTNAK
Yes
ENDDC = 0
Send Address
Send Repeat Start
Set Last Byte Flag
Open INTTX & INTNAK
No
Wait INT
Recev. Over?
Yes
Return
Figure 15.9. Master Receiver Operation
Master transmitter
Reset buffer index
Last Comm,
is Repeat Start?
Yes
Send Address
Send Repeat Start
Open INTTX INTNAK
Wait INT
Trans. Over?
Yes
Return
No
No
MODE = 0
Send Address
Open INTTX & INTNAK
Figure 15.10. Master Transmitter Operation
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