240128-06 Datasheet, PDF (13/32 Pages) List of Unclassifed Manufacturers – 240 x 128 Dot Graphic LCD Assembly With T6963C Toshiba Graphic LCD Controller EL Panel & LED Backlight Assembly

SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: 240128-06
3. OPERATING PRINCIPALS AND METHODS
3.1 LCD Controller Display and Control Functions (T-6963C Controller)
■ Flowchart of Communications with MPU
● Status Read
Before sending data (Read/Write) command, it is necessary to check the status.
Status check
Status of T6963C can be read from data lines.
RD
L
WR H
CE
L
C/D H
D0-D7 Status word
T6963C status word format is following.
MSB
STA7 STA6 STA5 STA4 STA3
D7
D6
D5
D4
D3
STA2
D2
STA1
D1
LSB
STA0
D0
STA0
STA1
STA2
STA3
STA4
Check capability of command execution
Check capability of data read/write
Check capability of auto mode data read
Check capability of auto mode data write
Not use
0 : Disable
1 : Enable
0 : Disable
1 : Enable
0 : Disable
1 : Enable
0 : Disable
1 : Enable
STA5 Check capability of controller operation
0 : Disable
1 : Enable
STA6 Error flag. Using screen peek/copy command
0 : No error
1 : Error
STA7 Check the condition blink
0 : Display off
1 : Normal display
Note 1 : It is necessary to check STA0 and STA1 at the same time. The error is happened by sending data at executing
command.
Note 2 : The status check will be enough to check STA0/STA1.
Note 3 : STA2/STA3 are valid in auto mode STA0/STA1 are invalid.
Status checking flow
STATUS
AUTO MODE
STATUS
STA0=1
STA1=1 NO
YES
RETURN
STA2=1
(STA3=1) NO
YES
RETURN
Note 4 : It is impossible to save status check in the case of command of MSB0. To have the delay time cannot be save status
check. The interrupt of hardware is happened at the end of lines. If command of MSB0 is sent in this period, the command
executing is waited. The state of waiting doesn’t be known without to check status. The sending next command or data is
disregarded or rewrites data of waiting command.
Pacific Display Devices
03.07.2006
13