DM3730_10 Datasheet, PDF (199/268 Pages) Texas Instruments – Applications Processor

DM3730, DM3725
www.ti.com
SPRS685 – AUGUST 2010
Table 6-35. DSS Switching Characteristics— RFBI Mode— MIPI DBI 2.0 - LCD Panel (continued)
PARAMETER
OPP100
OPP50
UNIT
t_F(csx)
t_R(d)
t_F(d)
t_R(rd)
t_F(rd)
Fall time, output chip select rfbi_csx⁽¹⁴⁾
Rise time, output data rfbi_da[15:0]
Fall time, output data rfbi_da[15:0]
Rise time, output read enable rfbi_rd
Fall time, output read enable rfbi_rd
MIN
MAX
MIN
MAX
10
10
ns
10
10
ns
10
10
ns
10
10
ns
10
10
ns
(1) A = (WECycleTime – WEOffTime) * (TimeParaGranularity + 1) * L4CLK
(2) B = (WEOffTime – WEOntime) * (TimeParaGranularity + 1) * L4CLK
(3) C = WEOnTime * (TimeParaGranularity + 1) * L4CLK
(4) D = (WECycleTime + CSPulseWidth – WEOffTime) * (TimeParaGranularity + 1) * L4CLK if mode Write to Read or Read to Write is
enabled
(5) E = (WEOnTime – CSOnTime) * (TimeParaGranularity + 1) * L4CLK
(6) F = (CSOffTime – WEOffTime) * (TimeParaGranularity + 1) * L4CLK
(7) G = WECycleTime * (TimeParaGranularity + 1) * L4CLK
(8) H = REOnTime * (TimeParaGranularity + 1) * L4CLK
(9) I = (RECycleTime + CSPulseWidth – REOffTime) * (TimeParaGranularity + 1) * L4CLK if mode Write to Read or Read to Write is
enabled
(10) J = (RECycleTime – REOffTime) * (TimeParaGranularity + 1) * L4CLK
(11) K = (REOffTime – REOntime) * (TimeParaGranularity + 1) * L4CLK
(12) L = (REOnTime – CSOnTime) * (TimeParaGranularity + 1) * L4CLK
(13) M = (CSOffTime – REOffTime) * (TimeParaGranularity + 1) * L4CLK
(14) In rfbi_csx, x is equal to 0 or 1.
CsPulseWidth
WeCycleTime
WeCycleTime
rfbi_a0
CsOffTime
CsOffTime
CsOnTime
CsOnTime
rfbi_csx
WeOffTime
WeOffTime
WeOnTime
WeOnTime
rfbi_wr
rfbi_da[n:0]
DATA0
DATA1
rfbi_rd
rfbi_te_vsync[1:0]
rfbi_hsync[1:0]
SWPS038-057
(1) In rfbi_csx, x is equal to 0 or 1.
(2) rfbi_data[n:0], n up to 15
(3) For more information, see the DSS chapter in the AM/DM37x Multimedia Device Technical Reference Manual (literature number
SPRUGN4).
Figure 6-28. DSS—RFBI Mode—MIPI DBI 2.0 —LCD Panel—Command / Data Write
Copyright © 2010, Texas Instruments Incorporated
Timing Requirements and Switching Characteristics 199
Submit Documentation Feedback
Product Folder Link(s): DM3730 DM3725