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ZHCSI46C April 2018 – December 2020 DLPC3470

PRODUCTION DATA

6.12 Parallel Interface Frame Timing Requirements

See for additional information

			MIN	MAX	UNIT
t_{p_vsw}	Pulse duration – default VSYNC_WE high	50% reference points	1		lines
t_{p_vbp}	Vertical back porch (VBP) – time from the active edge of VSYNC_WE to the active edge of HSYNC_CS for the first active line ⁽¹⁾	50% reference points	2		lines
t_{p_vfp}	Vertical front porch (VFP) – time from the active edge of the HSYNC_CS following the last active line in a frame to the active edge of VSYNC_WE ⁽¹⁾	50% reference points	1		lines
t_{p_tvb}	Total vertical blanking – the sum of VBP and VFP (t_{p_vbp} + t_{p_vfp})	50% reference points	See ⁽¹⁾		lines
t_{p_hsw}	Pulse duration – default HSYNC_CS high	50% reference points	4	128	PCLKs
t_{p_hbp}	Horizontal back porch (HBP) – time from the active edge of HSYNC_CS to the rising edge of DATAEN_CMD	50% reference points	4		PCLKs
t_{p_hfp}	Horizontal front porch (HFP) – time from the falling edge of DATAEN_CMD to the active edge of HSYNC_CS	50% reference points	8		PCLKs

(1) The minimum total vertical blanking is defined by the following equation: t_{p_tvb}(min) = 6 + [8 × Max(1, Source_ALPF/ DMD_ALPF)] lines
where:

Figure 6-7 Parallel Interface Frame Timing