Epson Research and Development Page 37
Vancouver Design Center
Hardware Functional Specification S1D13705
Issue Date: 02/02/01 X27A-A-001-10
7.3.2 Power Down/Up Timing
Figure 7-10: Power Down/Up Timing
Table 7-10: Power Down/Up Timing
Symbol Parameter Min Typ Max Units
t1
HW Power Save active to FPLINE, FPFRAME, FPSHIFT, FPDAT, DRDY
inactive - LCDPWR Override = 1
1Frame
t2
HW Power Save inactive to FPLINE, FPFRAME, FPSHIFT, FPDAT, DRDY
active - LCDPWR Override = 1
1Frame
t3
HW Power Save active to FPLINE, FPFRAME, FPSHIFT, FPDAT, DRDY
inactive - LCDPWR Override = 0
1Frame
t4
LCDPWR low to FPLINE, FPFRAME, FPSHIFT, FPDAT, DRDY inactive
- LCDPWR Override = 0
127 Frame
t5
HW Power Save inactive to FPLINE, FPFRAME, FPSHIFT, FPDAT, DRDY,
LCDPWR active - LCDPWR Override = 0
0Frame
t6 LCDPWR Override active (1) to LCDPWR inactive 1 Frame
t7 LCDPWR Override inactive (1) to LCDPWR active 1 Frame
t4
t3
t1
Active Inactive Active Inactive Active
LCDPWR Override
(REG[03h] bit 3)
HW Power Save
FP Signals
LCDPWR
t2
Software Power Save
11 00 11 00 11
t5
t6
t7
REG[03h] bits [1:0]
or