SPFD54124B Drise, SPFD54124B Datasheet - Page 183

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

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7.8. Tearing Effect Output Line
The Tearing Effect output line supplies to the MPU a Panel synchronization signal. This signal can be enabled or disabled by the Tearing
Effect Line Off & On commands. The mode of the Tearing Effect signal is defined by the parameter of the Tearing Effect Line On command.
The signal can be used by the MPU to synchronize Frame Memory Writing when displaying video images.
7.8.1.
Mode 1 , the Tearing Effect Output signal consists of V-Blanking Information only:
t
t
Mode 2 , the Tearing Effect Output signal consists of V-Blanking and H-Blanking Information, there is one V-sync and 162 H-sync pulses per
field.
t
t
Note: During Sleep In Mode, the Tearing Output Pin is active Low.
© ORISE Technology Co., Ltd.
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vdh
vdl
hdh
hdl
T E (M ode2)
Bottom Line
T E (M ode1)
= The LCD display is updated from the Frame Memory (except Invisible Line – see below)
= The LCD display is updated from the Frame Memory (except Invisible Line – see above)
= The LCD display is not updated from the Frame Memory
= The LCD display is not updated from the Frame Memory
T op Line
2
Vertical T im e Scale
nd
Line
V-Sync
Tearing Effect Line Modes
Invisible
Line
t
hd l
t
t
hdl
h dh
1
t
st
hdh
Line
2
nd
Line
t
vdh
t
vdh
t
183
vdl
t
vdl
161
st
Line
162
t
vdh
nd
Line
t
vdh
V-Sync
SPFD54124B
Preliminary
Preliminary Version: 0.6
APR. 26, 2007