SPFD54124B Drise, SPFD54124B Datasheet - Page 177

• Manufacturer Part Number: SPFD54124B
• Description: 396-Channel 6-Bit Source Driver
• Manufacturer: Drise

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7.5.5.3 Vertical Scroll Example (GM1, GM0 = “11”)
There are 2 types of vertical scrolling, which are determined by the commands “ Vertical Scrolling Definition” (33h) and “Vertical Scrolling
Start Address” (37h).
Case 1: TFA + VSA + BFA≠162
N/A. Do not set TFA + VSA + BFA ≠ 162. In that case, unexpected picture will be shown.
Case 2: TFA + VSA + BFA=162 (Scrolling)
Example1) When MADCTR parameter ML=”0”, TFA=0, VSA=162, BFA=0 and VSCSAD=40.
Example2) When MADCTR parameter ML=”1”, TFA=30, VSA=132, BFA=0 and VSCSAD=40.
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Memory Physical Axis
(0,0)
Memory Physical Axis
(0,0)
Memory Physical Axis
(0,0)
VSCSAD
VSCSAD
VSCSAD
VSCSAD
TFA
TFA
Memory
Memory
Frame
Frame
Memory
Memory
Frame
Frame
Physical Line
Physical Line
Pointer
Pointer
Physical Line
Physical Line
177
Pointer
Pointer
Increment
Increment
Display
Axis (0,0)
Display
Axis (0,0)
Display
Axis (0,0)
Display
Axis (0,0)
Display
Display
SPFD54124B
Display
Display
Preliminary
Preliminary Version: 0.6
TFA
TFA
APR. 26, 2007