參數(shù)資料
型號： HD66841
廠商： Hitachi,Ltd.
英文描述： LVIC-II (LCD Video Interface Controller)(LCD視頻控制器)
中文描述： LVIC - 2（液晶視頻接口控制器）（液晶顯示視頻控制器）
文件頁數(shù)： 34/62頁
文件大小： 185K
代理商： HD66841
HD66841
34
PS bit
Specifies access to data registers (R0–R15) or palette registers (P1–P8).
In MPU programming mode
PS = 0: Specifies access to data registers (R0–R15)
PS = 1: Specifies access to palette registers (P1–P8)
This register can be always accessed regardless of the PS bit setting, but it cannot be read after the
PS bit is set to 1. Read it when PS is 0.
In ROM programming mode
Data for HD66841 internal data registers can be written into $0001 to $000F when bit 2 (the PS bit)
of $0000 is set to 0. Data be set into pallete registers can be written into $0011 to $0018 when the
PS bit of $0010 is set to 1 (Figure 20).
DIZ bit
Changes the method used to control the gray-scale display of a checker-board pattern.
DIZ = 0: Data thinned out on a dot basis every frame
DIZ = 1: Data thinned out on a frame basis every frame
3
2
0
1
0
R0
R0
Internal
data
registers
Palette
registers
$0000
$0010
$0018
$0019
$001F
(ROM
addresses
A0–A4)
PS bit
Not used
1
Data bit No.
Figure 20 PS Bit Functions in ROM Programming Method
相關PDF資料
PDF描述
HD68000Y-10 MPU(MICRO PROCESSING UNIT)
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HD68HC000Y-12 MPU(MICRO PROCESSING UNIT)
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