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S1D13708 Hardware Functional Specification
X39A-A-001-02 Issue Date: 02/03/07
6.4.8 Generic TFT Panel Timing
Figure 6-29 Generic TFT Panel Timing
VT = Vertical Total = [(REG[19h] bits 1-0, REG[18h] bits 7-0) + 1] lines
VPS = FPFRAME Pulse Start Position = (REG[27h] bits 1-0, REG[26h] bits 7-0) lines
VPW = FPFRAME Pulse Width = [(REG[24h] bits 2-0) + 1] lines
VDPS = Vertical Display Period Start Position = (REG[1Fh] bits 1-0, REG[1Eh] bits 7-0) lines
VDP = Vertical Display Period = [(REG[1Dh] bits 1-0, REG[1Ch] bits 7-0) + 1] lines
HT = Horizontal Total = [((REG[12h] bits 6-0) + 1) x 8] pixels
HPS = FPLINE Pulse Start Position = [(REG[23h] bits 1-0, REG[22h] bits 7-0) + 1] pixels
HPW = FPLINE Pulse Width = [(REG[20h] bits 6-0) + 1] pixels
HDPS = Horizontal Display Period Start Position= [(REG[17h] bits 1-0, REG[16h] bits 7-0) + 5] pixels
HDP = Horizontal Display Period = [((REG[14h] bits 6-0) + 1) x 8] pixels
*For TFT panels, the HDP must be a minimum of 16 pixels and must be increased by multiples of 8.
*Panel Type Bits (REG[10h] bits 1-0) = 01 (TFT)
*FPLINE Pulse Polarity Bit (REG[20h] bit 7) = 0 (active low)
*FPFRAME Polarity Bit (REG[24h] bit 7) = 0 (active low)
FPFRAME
VT (= 1 Frame)
DRDY
FPLINE
DRDY
FPLINE
VDPS
VPS
VPW
VDP
HT (= 1 Line)
HPS
HDPS HDP
FPDAT[17:0]
FPDAT[17:0]
invalid invalid
FPSHIFT
HPW