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Epson Research and Development
Vancouver Design Center
S1D13503
Hardware Functional Specification
X18A-A-001-08
Issue Date: 01/01/29
8.3.3 Power Save Mode Function Summary
8.3.4 Pin States in Power Save Modes
Note
1. Internal Register AUX[03], bit 5 = 1
2. Internal Register AUX[03], bit 5 = 0
Table 8-10: Power Save Mode Function Summary
Function
Power Save Mode (PSM)
Normal
(Active)
PSM1
PSM2
State 1
State 2
Display Active?
Yes
No
No
No
I/O Access Possible?
Yes
Yes
Yes
Yes
Memory Access Possible?
Yes
Yes
No
No
Sequence Controller Running?
Yes
No
No
No
Internal Oscillator Disabled?
No
No
No
Yes
Table 8-11: Pin States in Power Save Modes
Pin
Pin State
Normal
(Active)
PSM1
PSM2
State 1
State 2
UD[3:0], LD[3:0],
LP, XSCL, YD,
WF/XSCL2
(Note 1)
Active
High
Impedance
High
Impedance
High
Impedance
UD[3:0], LD[3:0],
LP, XSCL, YD,
WF/XSCL2
(Note 2)
Active
Forced Low Forced Low Forced Low
AB[19:0], DB[15:0]
Active
Active
Active
Active
IOR#, IOW#
Active
Active
Active
Active
MEMR#, MEMW#
Active
Active
Active
Active
RESET
Active
Active
Active
Active
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