SPFD54124B Drise, SPFD54124B Datasheet - Page 186

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

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7.8.4.
The MPU to Frame Memory write begins just after Panel Read has commenced i.e. after one horizontal sync pulse of the Tearing Effect
Output Line. This allows time for the image to download behind the Panel Read pointer and finishing download during the subsequent
Frame before the Read Pointer “catches” the MPU to Frame memory write position.
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Data to be sent
Im age on LCD
Im age on LCD
Example 2: MPU write is slower than panel read.
M em ory to
TE Output
M em ory
M CU to
Signal
LCD
B
A
a
a
1
s t
1
s t
A
b
b
A
16 2
c
c
n d
d
186
A
e
d
16 2
nd
A
B
f
e
B
tim e
tim e
tim e
SPFD54124B
f
Preliminary
Preliminary Version: 0.6
APR. 26, 2007