ssd1908 Solomon Systech Limited:, ssd1908 Datasheet - Page 99

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

VT
VPS
VPW
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) = 000b (STN)
*LFRAME Pulse Polarity Bit (REG[24h] bit 7) = 1 (active high)
*LLINE Polarity Bit (REG[20h] bit 7) = 1 (active high).
SSD1908
= Vertical Total
= [(REG[19h]bits1-0,REG[18h]bits7-0)+ 1] lines
= LFRAME Pulse Start Position
= [(REG[27h] bits 1-0, REG[26h] bits 7-0)] x HT + (REG[31h] bits 1-0, REG[30h] bits 7-0) pixels
= LFRAME Pulse Width
= [(REG[24h] bits 2-0) + 1] x HT + (REG[35h] bits 1-0, REG[34h] bits 7-0) – (REG[31h] bits 1-0, REG[30h]
= [(REG[1Fh]bits1-0,REG[1Eh]bits7-0)] lines
= Vertical Display Period
= [(REG[1Dh] bits 1-0, REG[1Ch] bits 7-0) + 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]bits1-0,REG[16h]bits7-0)+ 22] pixels
= Horizontal Display Period
= [((REG[14h] bits 6-0) + 1) x 8] pixels
∗
bits 7-0) pixels
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.
Rev 1.0
P 89/89
Oct 2003
Solomon Systech