參數(shù)資料
型號: S1D13700F02A100
元件分類: 顯示控制器
英文描述: 320 X 240 PIXELS CRT OR FLAT PNL GRPH DSPL CTLR, PQFP64
封裝: LEAD FREE, TQFP-64
文件頁數(shù): 87/108頁
文件大小: 1373K
代理商: S1D13700F02A100
1: OVERVIEW
S1D13700 Technical Manual
EPSON
3
Example of display memory mapping by the S1D13700
(1)Character code table
A memory area to store character code when displaying text
1 character = 8 bits
Variable table mapping (by altering the scroll start address)
(2)Graphic data table
A memory area to store bitmap data
1 word = 8 bits
Variable table mapping
(3)CG RAM table (for external characters)
A character generator whose character patterns can be altered by the MPU as desired
Maximum 8 x 16 bits (16 bytes per character)
Maximum 64 discrete characters, or 256 characters when not using CGROM
Internal CG RAM used
Variable table mapping
(4)CG ROM table
Maximum 5 x 7 bits
Maximum 160 characters
Mapped to addresses 8030h–85AFh. Data cannot be read out by the MPU.
To make the most of the above-mentioned functions of the S1D13700, a high-speed interfacing
method is used to enable pipelined command processing between the MPU and S1D13700. Most
commands of the S1D13700 are processed so that the controller completes the processing of any
input command before the next command is issued from the MPU. Therefore, the MPU does not
need to frequently check the status of the S1D13700, and is not kept waiting by the S1D13700.
Thus, the high-speed interfacing method adopted for the S1D13700 helps minimize possible
reduction in the MPU’s processing capability.
Moreover, the MPU can access the above display space at any time irrespective of display mode
(except in sleep mode).
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