18 display unit signal timing – Renesas SH7781 User Manual
Page 1652

32. Electrical Characteristics
Rev.1.00 Jan. 10, 2008 Page 1622 of 1658
REJ09B0261-0100
32.3.18
Display Unit Signal Timing
Table 32.23 PCICLK/DCLKIN Signal Timing
Conditions: V
DDQ
= 3.3 V ±0.3 V, Ta = -40°C to + 85°C, GND = V
SSQ
= 0 V
Item Symbol
Min.
Typ.
Max.
Unit
Figure
PCICLK/DCLKIN cycle time
t
DICYC
20 — — ns
32.72
PCICLK/DCLKIN high level width
t
DCKIH
8 — — ns
PCICLK/DCLKIN low level width
t
DCKIL
8 — — ns
Table 32.24 Display Timing
Conditions: V
DDQ
= 3.3 V
±0.3 V, T
a
= –40
°C to +85°C, GND = V
SSQ
= 0 V
Item Symbol
Min.
Typ.
Max.
Unit
Figures
Display input control
signal setup time
t
DS
5
—
—
ns
Display input control
signal hold time
t
DH
3
—
—
ns
Figure 32.73
(with respect to
PCICLK/
DCLKIN)
DEVSEL/DCLKOUT
output cycle time
t
DCYC
20
— — ns
DEVSEL/DCLKOUT
output high level width
t
DCKH
6
— — ns
Delay time of display
output control signal
output
t
DD
-2
—
8 ns
Display digital data output
delay time
t
DD
-2
—
8 ns
Figure 32.74
(with respect to
DEVSEL/
DCLKOUT)
IRDY/HSYNC input low
level width
t
EXHLW
4 × t
DCYC
—
—
ns
Figure
32.75
IRDY/HSYNC input high
level width
t
EXHHW
4 × t
DCYC
—
—
ns
PCIFRAME/VSYNC input
low level width
t
EXVLW
3 × HC
—
—
t
DCYC
LOCK/ODDF setup time 1 t
OD1
(ys + yw) × HC —
—
t
DCYC
LOCK/ODDF setup time 2 t
OD2
1 × HC
—
—
t
DCYC