參數(shù)資料
型號: S1D13700
廠商: 愛普生(中國)有限公司
英文描述: Embedded Memory Graphics LCD Controller
中文描述: 嵌入式內(nèi)存圖形液晶顯示控制器
文件頁數(shù): 105/134頁
文件大?。?/td> 1000K
代理商: S1D13700
Epson Research and Development
Vancouver Design Center
Page 105
Hardware Functional Specification
Issue Date: 2004/01/06
S1D13700
X42A-A-001-00
Revision 1.0
15.1.2 Initialization Example
The initialization example shown below is for a S1D13700 with an 8-bit microprocessor
interface bus and an Epson EG4810S-AR display unit (512
×
128 pixels).
Indirect Addressing
Figure 15-1 Initialization Procedure
Note
Set the cursor address to the start of each screen’s layer memory, and use MWRITE to
fill the memory with space characters, 20h (text screen only) or 00h (graphics screen
only). Determining which memory to clear is explained in Section 15.1.3, “Display
Mode Setting Example 1: Combining Text and Graphics” on page 110.
Table 15-2 Indirect Addressing Initialization Procedure
No.
Command
Operation
1
Power-up
2
Supply
3
SYSTEM SET
C = 40h
P1 = 38h
M0: Internal CGROM (REG[00h] bit 0)
M2: 8 lines per character (REG[00h] bit 2)
W/S: Two-panel drive (REG[00h] bit 3)
IV: Sets top-line compensation to none (REG[00h] bit 5)
P2 = 87h
FX: Horizontal character size = 8 pixels (REG[01h] bits 3-0)
MOD: Two-frame AC drive (REG[01h] bit 7)
Start
Clear first
memory layer
Supply on
SYSTEM SET
SCROLL
HDOT SCR
OVLAY
DISP OFF
Clear second
memory layer
Output display
data
CSRW
CSR FORM
DISP ON
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