Epson Research and Development
Page 39
Vancouver Design Center
Hardware Functional Specification
S1D13503
Issue Date: 01/01/29
X18A-A-001-08
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 display 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
Max
Min
Max
Units
t1
Address cycle time
MCLK - 15
MCLK - 10
ns
t2
VA[15:0], VCS0# and VCS1# valid before
VWE# falling edge
0
0
ns
t3
VA[15:0], VCS0# and VCS1# hold from
VWE# rising edge
0
0
ns
t4
Pulse width of VWE#
MCLK - 15
MCLK - 10
ns
t5
VD[15:0] setup to VWE# rising edge
MCLK - 20
MCLK - 15
ns
t6
VD[15:0] hold from VWE# rising edge
0
0
ns
VA[15:0]
VCS0#, VCS1#
VWE#
OUTPUT
INPUT
INPUT
VOE#
t1
t2
t3
t4
t5
t6
VD[15:0]
VALID
Hi-Z
Hi-Z
Hi-Z
Hi-Z
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