S1D13505 Epson Electronics America, Inc., S1D13505 Datasheet - Page 80

• Manufacturer Part Number: S1D13505
• Description: LCD Controller
• Manufacturer: Epson Electronics America, Inc.

Page 74
7.4 Power Sequencing
7.4.1 LCD Power Sequencing
S1D13505
X23A-A-001-14
Symbol
t1
t2
t3
t4
t5
t6
t7
SUSPEND# or LCD ENABLE BIT low to LCDPWR off
SUSPEND# or LCD ENABLE BIT low to FPFRAME inactive
FPFRAME inactive to FPLINE, FPSHIFT, FPDATA, DRDY inactive
SUSPEND# to CLKI inactive
SUSPEND# or LCD ENABLE BIT high to FPLINE, FPSHIFT,
FPDATA, DRDY active
FPLINE, FPSHIFT, FPDATA, DRDY active to LCDPWR, on and
FPFRAME active
CLKI active to SUSPEND# inactive
Figure 7-22: LCD Panel Power Off / Power On Timing. Drawn with LCDPWR set to active high polarity
LCD Enable Bit
SUSPEND# or
FPFRAME
LCDPWR
Note
FPSHIFT
FPDATA
FPLINE
Where T
DRDY
CLKI
FPFRAME
Parameter
Table 7-21: LCD Panel Power Off/ Power On
is the period of FPFRAME and T
t1
t2
t4
t3
PCLK
Min
is the period of the pixel clock.
128
130
128
t7
t5
0
Epson Research and Development
t6
Hardware Functional Specification
2T
T
FPFRAME
FPFRAME
8T
8T
Vancouver Design Center
Max
PCLK
PCLK
1
Issue Date: 01/02/02
+
+
Frames
Frames
Frames
Frames
Units
ns
ns
ns