T6963CFG Toshiba Semiconductor, T6963CFG Datasheet - Page 9

• Manufacturer Part Number: T6963CFG
• Description: DOT MATRIX LCD CONTROLLER LSI
• Manufacturer: Toshiba Semiconductor

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● Flowchart of communications with MPU
(1) Status Read
A status check must be performed before data is read or written.
Status check
The Status of T6963CFG can be read from the data lines.
The T6963CFG status word format is as follows:
C / D
D0 to D7
Note 1: It is necessary to check STA0 and STA1 at the same time.
Note 2: For most modes STA0 / STA1 are used as a status check.
Note 3: STA2 and STA3 are valid in Auto mode; STA0 and STA1 are invalid.
RD
CE
WR
STA7
STA0
STA1
STA2
STA3
STA4
STA5
STA6
STA7
MSB
D7
There is a possibility of erroneous operation due to a hardware interrupt.
Check command execution capability
Check data read / write capability
Check Auto mode data read capability
Check Auto mode data write capability
Not used
Check controller operation capability
Error flag. Used for Screen Peek and Screen copy commands.
Check the blink condition
L
H
L
H
Status word
STA6
D6
STA5
D5
STA4
D4
9
STA3
D3
STA2
D2
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: Disable
1: Enable
0: No error
1: Error
0: Display off
1: Normal display
STA1
D1
T6963CFG
2007-05-15
STA0
LSB
D0