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S3C2410A LCD CONTROLLER
15-23
SAMSUNG TFT LCD PANEL (3.5″ PORTRAIT / 256K COLOR /REFLECTIVE A-SI TFT LCD)
The S3C2410A supports SEC TFT LCD panel (SAMSUNG 3.5″ Portrait / 256K Color /Reflective a-Si TFT LCD).
LTS350Q1-PD1: TFT LCD panel with touch panel and front light unit
LTS350Q1-PD2: TFT LCD panel only
The S3C2410A provides timing signals as follows to use LTS350Q1-PD1 and PD2:
STH: Horizontal Start Pulse
TP: Source Driver Data Load Pulse
INV: Digital Data Inversion
LCD_HCLK:Horizontal Sampling Clock
CPV: Vertical Shift Clock
STV: Vertical Start Pulse
OE: Gate On Enable
REV: Inversion Signal
REVB: Inversion Signal
So, LTS350Q1-PD1 and PD2 can be connected with the S3C2410A without using the additional timing control logic.
But the user should additionally apply Vcom generator circuit, various voltages, INV signal and Gray scale voltage
generator circuit, which is recommended by PRODUCT INFORMATION (SPEC) of LTS350Q1-PD1 and PD2.
Detailed timing diagram is also described in PRODUCT INFORMATION (SPEC) of LTS350Q1-PD1 and PD2.
Refer to the documentation (PRODUCT INFORMATION of LTS350Q1-PD1 and PD2), which is prepared by AMLCD
Technical Customer Center of Samsung Electronics Co., LTD.
Caution:
The S3C2410A has HCLK, working as the clock of AHB bus.
Accidentally, SEC TFT LCD panel (LTS350Q1-PD1 and PD2) has Horizontal Sampling Clock (HCLK).
These two HCLKs may cause a confusion. So, note that HCLK of the S3C2410A is HCLK and other HCLK of the
LTS350 is LCD_HCLK.
Check that the HCLK of SEC TFT LCD panel (LTS350Q1-PD1 and PD2) is changed to LCD_HCLK.