Epson S1D13705 User Manual Page 62

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Page 56 Epson Research and Development
Vancouver Design Center
S1D13705 Hardware Functional Specification
X27A-A-001-10 Issue Date: 02/02/01
bit 4 FPLINE Polarity
This bit controls the polarity of FPLINE in TFT/D-TFD mode (no effect in passive panel
mode). When this bit = 0, FPLINE is active low. When this bit = 1, FPLINE is active high.
bit 3 FPFRAME Polarity
This bit controls the polarity of FPFRAME in TFT/D-TFD mode (no effect in passive
panel mode). When this bit = 0, FPFRAME is active low. When this bit = 1, FPFRAME is
active high.
bit 2 Mask FPSHIFT
FPSHIFT is masked during non-display periods if either of the following two criteria is
met:
1. Color passive panel is selected (REG[01h] bit 5 = 1)
2. This bit (REG[01h] bit 2) = 1
bits 1-0 Data Width Bits [1:0]
These bits select the display data format. See Table 8-1: “Panel Data Format” below for a
comprehensive description of panel selection.
Table 8-1: Panel Data Format
TFT/STN
REG[01h] bit 7
Color/Mono
REG[01h] bit 5
Dual/Single
REG[01h] bit 6
Data Width
Bit 1
REG[01h] bit 1
Data Width
Bit 0
REG[01h] bit 0
Function
0
0
0
0
0 Mono Single 4-bit passive LCD
1 Mono Single 8-bit passive LCD
1
0 reserved
1 reserved
1
0
0 reserved
1 Mono Dual 8-bit passive LCD
1
0 reserved
1 reserved
1
0
0
0 Color Single 4-bit passive LCD
1 Color Single 8-bit passive LCD format 1
1
0 reserved
1 Color Single 8-bit passive LCD format 2
1
0
0 reserved
1 Color Dual 8-bit passive LCD
1
0 reserved
1 reserved
1 X (don’t care)
0 9-bit TFT/D-TFD panel
1 12-bit TFT/D-TFD panel
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