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Application Note
Software Flowchart:
MAIN PROGRAM LOOP
START:
INITIALIZE
T6963C
DISPLAY
BITMAP
END
WRITE A
COMMAND BYTE
WRITEC:
STATUS
NO
OK?
YES
SET C/D TO 1
DATA TO P1
WR LOW
WRHIGH
RETURN
SEND A BLOCK OF DATA
TO THE DISPLAY
GET BYTE
FROM TABLE
WRITED
INC. TABLE
POINTER
WRITE A
DATA BYTE
WRITED:
STATUS
NO
OK?
YES
SET C/D TO 0
MSGD:
CALL
RETURN
STATUS CHECK
STATUS:
SET C/D TO 1
RD LOW
READ BYTE
RDHIGH
STATUS
OK?
YES
RETURN
Page 3
SEND A
COMMAND
WITH
PARAMETERS
MSGC:
SET COUNTER
TO 2
GET BYTE
FROM TABLE
YES
END
BYTE?
NO
CALL
WRITED
INC. TABLE
POINTER
DECREMENT
COUNTER
CNT =
0?
YES
GET COMM.
FROM TABLE
CALL
WRITEC
NO
NO
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