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