sed1374 ETC-unknow, sed1374 Datasheet - Page 92

• Manufacturer Part Number: sed1374
• Description: Sed1374 Embedded Memory Color Lcd Controller
• Manufacturer: ETC-unknow

Page 84
13 Power Save Modes
13.1 Software Power Save Mode
13.2 Hardware Power Save Mode
SED1374
X26A-A-001-02
Table 13-3: Hardware Power Save Mode Summary
Table 13-2: Software Power Save Mode Summary
Two Power Save Modes have been incorporated into the SED1374 to accommodate the
need for power reduction in the hand-held devices market. These modes are enabled as
follows:
Software Power Save Mode saves power by powering down the panel and stopping display
refresh accesses to the display buffer.
Hardware Power Save Mode saves power by powering down the panel, stopping accesses
to the display buffer and registers, and disabling the Host Bus Interface.
Not Configured or 0
Not Configured or 0
Not Configured or 0
Not Configured or 0
Hardware Power
Configured and 1
• Registers read/write accessible
• Memory read/write accessible
• LCD outputs are forced low
• Host Interface not accessible
• Memory read/write not accessible
• LCD outputs are forced low
Save
Software Power
Save Bit 1
Table 13-1: Power Save Mode Selection
X
0
0
1
1
Software Power
Save Bit 0
1
0
X
0
1
Epson Research and Development
Hardware Power Save Mode
Software Power Save Mode
Hardware Functional Specification
Normal Operation
Vancouver Design Center
reserved
reserved
Mode
Issue Date: 99/04/29