18 display unit signal timing – Renesas SH7781 User Manual

Page 1652

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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

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