
Epson Research and Development
Page 37
Vancouver Design Center
Hardware Functional Specification
SED1352
Issue Date: 99/07/28
X16-SP-001-16
7.3 Display Memory Interface Timing
7.3.1 Write Data to Display Memory
Figure 20: Write Data to Display Memory
Where MCLK period = 1/f
OSC
, or 2/f
OSC
, or 4/f
OSC
depending on which mode the chip is in. (see section 9.2 and 9.3).
Table 7-10: Write Data to Display Memory
3V/3.3V
5V
Symbol
Parameter
Min
Typ
Max
Min
Typ
Max
Units
t1
Address cycle time
MCLK - 10
MCLK -
10
ns
t2
VA[15:0], VCS0# and VCS1# valid before
VWE# falling edge
MCLK/2 -
20
MCLK/2 -
10
ns
t3
VA[15:0], VCS0# and VCS1# hold from
VWE# rising edge
0
0
ns
t4
Pulse width of VWE#
MCLK/2 - 5
MCLK/2 -
5
ns
t5
VD[15:0] setup to VWE# rising edge
MCLK/2 -
20
MCLK/2 -
20
ns
t6
VD[15:0] hold from VWE# rising edge
0
0
ns
VA[15:0]
VSC0#, VSC1#
VWE#
OUTPUT
INPUT
INPUT
VOE#
t1
t2
t3
t4
t5
t6
VD[15:0]
VALID
Hi-Z
Hi-Z
Hi-Z
Hi-Z