S1D13700F01 Epson Electronics America, Inc., S1D13700F01 Datasheet - Page 81

• Manufacturer Part Number: S1D13700F01
• Description: Embedded Memory Graphics Lcd Controller
• Manufacturer: Epson Electronics America, Inc.

Epson Research and Development
Vancouver Design Center
Hardware Functional Specification
Issue Date: 2005/12/13
1
2
3
•
•
•
•
•
•
•
•
Where:
Note
SAD
SAD + AP
SAD + 2AP
SAD = start address of the screen block
AP = horizontal address range (REG[06h], REG[07h])
C/R = number of character bytes per row (REG[03h])
Assumes REG[00h] bit 3 = 0, REG[01h] bits 3-0 = 8
SAD +1
SAD + AP
Note
In 1 bpp, one bit of display memory corresponds to one pixel. Therefore, 1 byte of dis-
play memory corresponds to 8 pixels. In 2 bpp, 1 byte corresponds to 4 pixels. In 4 bpp,
1 byte corresponds to 2 pixels.
Figure 12-5 Display Addressing in Graphics Mode Example
+ 1
REG[03h] bits 7-0
SAD + 2
SAD + AP
+ 2
Revision 4.05
SAD + C/R
SAD + AP
+ C/R
Line 1
Line 2
Line 3
SAD
SAD +1
SAD + 2
SAD + C/R
SAD + AP
SAD + AP + 1
SAD + AP + C/R
SAD + 2AP
X42A-A-002-04
S1D13700F01
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AP
AP