S1D13505 Epson Electronics America, Inc., S1D13505 Datasheet - Page 127

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

Epson Research and Development
Vancouver Design Center
bits 7-0
Hardware Functional Specification
Issue Date: 01/02/02
Alternate FRM Register
REG[31h]
Alternate
FRM
Bit 7
Alternate
FRM
Bit 6
Alternate Frame Rate Modulation Select
Register that controls the alternate FRM scheme. When all bits are set to zero, the default FRM is
selected. For single passive, or dual passive with the half frame buffer enabled, either the original or
the alternate FRM scheme may be used. The alternate FRM scheme may produce more visually
appealing output. The following table shows the recommended alternate FRM scheme values.
Dual Passive w/Half Frame Buffer Disabled
Dual Passive w/Half Frame Buffer Enabled
Alternate
FRM
Bit 5
Table 8-19: Recommended Alternate FRM Scheme
Single Passive
Panel Mode
Alternate
FRM
Bit 4
Alternate
FRM
Bit 3
0000 0000 or 1111 1111
0000 0000 or 1111 1010
Alternate
FRM
Bit 2
Register Value
1111 1111
Alternate
FRM
Bit 1
Alternate
FRM
Bit 0
X23A-A-001-14
S1D13505
Page 121
RW