ST7070 Просмотр технического описания (PDF) - Sitronix Technology Co., Ltd.
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ST7070 Datasheet PDF : 51 Pages
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ST7070
Instructions
There are four categories of instructions that:
Designate ST7070 functions, such as display format, data length, etc.
Set internal RAM addresses
Perform data transfer with internal RAM
Others
Instruction Table:
Instruction Code
Instruction
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
EXT = 0 or 1
Description
Description
Time
(270KHz)
Clear
Display
Return
Home
Display
ON/OFF
Cursor or
Display
Shift
Write "20H" to DDRAM. and
0 0 0 0 0 0 0 0 0 1 set DDRAM address to
1.52 ms
"00H" from AC
Set DDRAM address to
"00H" from AC and return
0 0 0 0 0 0 0 0 1 x cursor to its original position
if shifted. The contents of
DDRAM are not changed.
D=1:entire display on
0 0 0 0 0 0 1 D C P C=1:cursor on
P: font table page selection
0 us
37 us
Set cursor moving and
display shift control bit, and
0 0 0 0 0 1 S/C R/L x x the direction, without
changing DDRAM data.
37 us
Function
Set
0
Read Busy
flag and
0
address
Write data
to RAM
1
Read data
from RAM 1
EXT = 0
Entry Mode
Set
0
Set CGRAM
address
0
DL: interface data is 8/4 bits
0 0 0 1 DL N EXT x x
N: number of line is 2/1
Whether during internal
operation or not can be
1 BF AC6 AC5 AC4 AC3 AC2 AC1 AC0 known by reading BF. The
contents of address counter
can also be read.
Write data into internal
0 D7 D6 D5 D4 D3 D2 D1 D0 RAM
(DDRAM/CGRAM)
Read data from internal
1 D7 D6 D5 D4 D3 D2 D1 D0 RAM
(DDRAM/CGRAM)
Sets cursor move direction
and specifies display shift.
0 0 0 0 0 0 1 I/D S These operations are
performed during data write
and read.
Set CGRAM address in
0
0
1 AC5 AC4 AC3 AC2 AC1 AC0 address counter
37 us
0 us
37 us
37 us
37 us
37 us
Set DDRAM
Set DDRAM address in
address
0
0
1 AC6 AC5 AC4 AC3 AC2 AC1 AC0 address counter
37 us
V1.4
15/51
2009/04/29
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