sed1355 ETC-unknow, sed1355 Datasheet - Page 81

• Manufacturer Part Number: sed1355
• Description: Sed1355 Embedded Ramdac Lcd/crt Controller
• Manufacturer: ETC-unknow

Epson Research and Development
Vancouver Design Center
7.4 Power Sequencing
7.4.1 LCD Power Sequencing
Hardware Functional Specification
Issue Date: 99/05/18
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.
t7
128
130
128
t5
0
t6
2T
T
FPFRAME
FPFRAME
8T
8T
Max
PCLK
PCLK
1
+
+
X23A-A-001-11
Frames
Frames
Frames
Frames
SED1355
Units
Page 75
ns
ns
ns