OMAP4430 Datasheet, PDF (253/443 Pages) Texas Instruments – Multimedia Device

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OMAP4430
www.ti.com
SWPS041D – DECEMBER 2010 – REVISED JANUARY 2012
Table 6-31. DSS—RFBI Switching Characteristics—LCD Panel (continued)
NO.
PARAMETER
OPP100
OPP50
UNIT
MIN
MAX
MIN
MAX
t_{d(rfbi_wrH-rfbi_a0)} Delay time, rfbi_we high to rfbi_a0 transition
D⁽⁴⁾
t_{d(rfbi_csx-rfbi_wrL)} Delay time, rfbi_csx⁽¹⁴⁾ low to rfbi_we low
E⁽⁵⁾
t_{d(rfbi_wrH-}
Delay time, rfbi_we high to rfbi_csx⁽¹⁴⁾ high
F⁽⁶⁾
D⁽⁴⁾
ns
E⁽⁵⁾
ns
F⁽⁶⁾
ns
rfbi_csxH)
t_d(dataV)
Output rfbi_data[n:0]⁽¹⁵⁾ valid
G⁽⁷⁾
G⁽⁷⁾
ns
t_sk(Skew)
Skew between output write enable falling
rfbi_we and output rfbi_data[n:0]⁽¹⁵⁾ high or
low
1.81
1.81
ns
t_{d(rfbi_a0H-rfbi_rdL)} Delay time, rfbi_a0 high to rfbi_re low
t_{d(rfbi_rdlH-rfbi_a0)} Delay time, rfbi_re high to rfbi_a0 transition
t_{w(rfbi_rdH)}
Pulse duration, rfbi_re high
t_{w(rfbi_rdL)}
t_{d(rfbi_rdL-rfbi_csxL)}
t_{d(rfbi_rdH-rfbi_csxH)}
Pulse duration, rfbi_re low
Delay time, rfbi_re low to rfbi_csx⁽¹⁴⁾ low
Delay time, rfbi_re high to rfbi_csx⁽¹⁴⁾ high
H⁽⁸⁾
I⁽⁹⁾
J⁽¹⁰⁾
K⁽¹¹⁾
L⁽¹²⁾
M⁽¹³⁾
H⁽⁸⁾
ns
I⁽⁹⁾
ns
J⁽¹⁰⁾
ns
K⁽¹¹⁾
ns
L⁽¹²⁾
ns
M⁽¹³⁾
ns
t_{R(rfbi_wr)}
Rise time, rfbi_we
8
8
ns
t_{F(rfbi_wr)}
Fall time, rfbi_we
8
8
ns
t_{R(rfbi_a0)}
Rise time, rfbi_a0
8
8
ns
t_{F(rfbi_a0)}
t_{R(rfbi_csx)}
t_{F(rfbi_csx)}
t_{R(rfbi_da)}
t_{F(rfbi_da)}
Fall time, rfbi_a0
Rise time, rfbi_csx⁽¹⁴⁾
Fall time, rfbi_csx⁽¹⁴⁾
Rise time, rfbi_data[n:0]⁽¹⁵⁾
Fall time, rfbi_data[n:0]⁽¹⁵⁾
8
8
ns
8
8
ns
8
8
ns
8
8
ns
8
8
ns
t_{R(rfbi_rd)}
Rise time, rfbi_re
8
8
ns
t_{F(rfbi_rd)}
CsOnTime
Fall time, rfbi_re
CS signal assertion time from Start Access
Time – RFBI_ONOFF_TIME Register
8
0⁽¹⁶⁾
8
ns
ns
CsOffTime
CS signal de-assertion time from Start Access
65⁽¹⁶⁾
ns
Time – RFBI_ONOFF_TIME Register
WeOnTime
WE signal assertion time from Start Access
10⁽¹⁶⁾
ns
Time – RFBI_ONOFF_TIME Register
WeOffTime
WE signal de-assertion time from Start Access
30⁽¹⁶⁾
ns
Time – RFBI_ONOFF_TIME Register
ReOnTime
RE signal assertion time from Start Access
30⁽¹⁶⁾
ns
Time – RFBI_ONOFF_TIME Register
ReOffTime
RE signal de-assertion time from Start Access
65⁽¹⁶⁾
ns
Time – RFBI_ONOFF_TIME Register
WeCycleTime Write cycle time –
RFBI_CYCLE_TIME_Register
50⁽¹⁶⁾
ns
RdCycleTime
Read cycle time –
RFBI_CYCLE_TIME_Register
65⁽¹⁶⁾
ns
CsPulseWidth CS pulse width –
RFBI_CYCLE_TIME_Register
0⁽¹⁶⁾
ns
(1) A = (WeCycleTime – WeOffTime) * (TimeParaGranularity + 1) * L3CLK
(2) B = (WeOffTime – WeOntime) * (TimeParaGranularity + 1) * L3CLK
(3) C = (WEOnTime) * (TimeParaGranularity + 1) * L3CLK
(4) D = (WeCycleTime + CsPulseWidth – WeOffTime) * (TimeParaGranularity + 1) * L3CLK. * if mode Write to Read or Read to Write is
enabled
(5) E = (WeOnTime – CsOnTime) * (TimeParaGranularity + 1) * L3CLK
(6) F = (CsOffTime – WeOffTime) * (TimeParaGranularity + 1) * L3CLK
(7) G = (WeCycleTime) * (TimeParaGranularity + 1) * L3CLK
(8) H = (ReOnTime) * (TimeParaGranularity + 1) * L3CLK
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Timing Requirements and Switching Characteristics 253
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