S1D13704 Epson Electronics America, Inc., S1D13704 Datasheet - Page 40

• Manufacturer Part Number: S1D13704
• Description: LCD Controller
• Manufacturer: Epson Electronics America, Inc.

Page 34
7.2 Clock Input Requirements
S1D13704
X26A-A-001-06
Clock Input Waveform
Symbol
T
f
t
t
CLKI
PWH
PWL
CLKI
t
t
f
r
90%
10%
Input Clock Frequency (CLKI)
Input Clock period (CLKI)
Input Clock Pulse Width High (CLKI)
Input Clock Pulse Width Low (CLKI)
Input Clock Fall Time (10% - 90%)
Input Clock Rise Time (10% - 90%)
V
V IL
IH
t r
Note
When CLKI is > 25MHz the Input Clock Divide bit (REG[02h] bit 4) must be set to 1.
Figure 7-7: Clock Input Requirements for CLKI
Table 7-7: Clock Input Requirements for CLKI
t
PWH
Parameter
T CLKI
t
f
t
PWL
1/f
Min
CLKI
0
8
8
Epson Research and Development
Max
Hardware Functional Specification
50
5
5
Vancouver Design Center
Issue Date: 02/02/01
Units
MHz
ns
ns
ns
ns
ns