參數(shù)資料
型號: HD66732
廠商: Hitachi,Ltd.
英文描述: Graphics Liquid Crystal Display Controller/Driver Supporting JIS Level-1 and Level-2 Kanji ROM(圖形LCD控制器/驅(qū)動器)
中文描述: 圖形液晶顯示控制器/驅(qū)動器支持日標級- 1和第2級漢字光盤(圖形液晶顯示控制器/驅(qū)動器)
文件頁數(shù): 50/133頁
文件大?。?/td> 2608K
代理商: HD66732
HD66732
50
Address: N set
Dummy read (invalid data)
Read (data of address N)
Modify
Write (data of address N)
Address counter (AC) = N
Address counter (AC) = N
Address counter (AC) = N + 1
I/D = "1", RDM = "1"
Address counter (AC) = N
Figure 14 Read, Modify, and Write Sequences in Bus Interface Mode
Cursor Control (R8)
CH:
Executes the cursor home instruction and sets DDRAM address 0 into the address counter (AC). The
DDRAM contents do not change. The cursor or blinking goes to the top left of the display.
LC:
When LC = 1, a cursor attribute is assigned to the line that contains the address counter (AC) value.
Cursor mode can be selected with the B/W, C, and B bits. For details, see the Line-cursor Display section.
B/W
: When B/W = 1 and LC = 1, the character at the cursor position is cyclically (every 32 frames) blink-
displayed with black-white reversal.
When B/W = 1 and LC = 1, all characters including the cursor on the display line appear with black-white
reversal. The characters do not blink. For details, see the Line-cursor Display section.
C:
The cursor is displayed on the 13th raster-row when C = 1. The 13-dot cursor is ORed with the
character pattern and displayed on the 13th raster-row.
B:
The character indicated by the cursor blinks when B = 1. The blinking is displayed as switching between
all black dots and displayed characters every 32 frames. The cursor and blinking can be set to display
simultaneously. When LC =1, setting B = 1 alternately displays all white dots and character pattern in a line
unit.
R/W RS DB7
DB0
0
1
DB6 DB5 DB4 DB3 DB2 DB1
0
0
0
CH
LC B/W
C
B
R8:
Figure 15 Cursor Control Instruction
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