ssd1908 Solomon Systech Limited:, ssd1908 Datasheet - Page 113

• Manufacturer Part Number: ssd1908
• Description: Lcd Drivers,lcd Controllers
• Manufacturer: Solomon Systech Limited:

VDPS = Vertical Display Period Start Position
VDP
HT
HPS
HPW
HDPS = Horizontal Display Period Start Position
HDP
*Panel Type Bits (REG[10h] bits 2-0) = 001 (TFT)
*LLINE Pulse Polarity Bit (REG[24h] bit 7) = 0 (active low)
*LFRAME Polarity Bit (REG[20h] bit 7) = 0 (active low)
10.4.7 9/12/18-Bit TFT Panel Timing
SSD1908
LDATA[11:0]
LDATA[11:0]
Note: LDEN is used to indicated the first pixel
Example Timing for 12-bit 640x480 panel
LFRAME
LLINE
= [(REG[1Fh]bits1-0,REG[1Eh]bits7-0)] lines
= Vertical Display Period
= [(REG[1Dh]bits1-0,REG[1Ch]bits7-0)+ 1] lines
*
= Horizontal Total
= [((REG[12h] bits 6-0) + 1) x 8] pixels
= LLINE Pulse Start Position
= [(REG[23h] bits 1-0, REG[22h] bits 7-0) + 1] pixels
= LLINE Pulse Width
= [(REG[20h] bits 6-0)+ 1] pixels
= [(REG[17h] bits 1-0, REG[16h] bits 7-0) + 5] pixels
= Horizontal Display Period
= [((REG[14h] bits 6-0) + 1) x 8] pixels
∗
LSHIFT
LDEN
LLINE
LDEN
The VDP must be a minimum of 2 lines
The HDP must be a minimum of 32 pixels and can be increased by multiples of 8.
LINE480
Rev 1.0
P 103/103
HNDP
Figure 10-23 :
Oct 2003
1
VNDP
1-1
2
12-Bit TFT Panel Timing
1-2
LINE1
HDP
VDP
1-640
LINE480
HNDP
VNDP
2
1
Solomon Systech