PCF2105MU データシートの表示（PDF） - Philips Electronics
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PCF2105MU Datasheet PDF : 48 Pages
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Table 3 Instructions (note 1)
INSTRUCTION
NOP
Clear display
Return home
Entry mode set
Display control
Cursor/display shift
Function set
Set CGRAM
address
Set DDRAM
address
Read busy flag and
address
Read data
Write data
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
DESCRIPTION
REQUIRED
CLOCK
CYCLES(2)
0
0
0
0
0
0
0
0
0
0 no operation
0
0
0
0
0
0
0
0
0
0
1 clears entire display and sets DDRAM
165
address 00 in Address Counter (AC)
0
0
0
0
0
0
0
0
1
0 sets DDRAM address 00 in the AC;
3
also returns shifted display to original
position; DDRAM contents remain
unchanged
0
0
0
0
0
0
0
1 I/D S sets cursor move direction and specifies
3
shift of display; these operations are
performed during data write and read
0
0
0
0
0
0
1
DC
B sets entire display on/off (D), cursor
3
on/off (C) and blink of cursor position
character (B)
0
0
0
0
0
1 S/C R/L 0
0 moves cursor and shifts display without
3
changing DDRAM contents
0
0
0
0
1 DL N M G
0 sets interface data length (DL), number
3
of display lines (N, M) and voltage
generator control (G); bit G is not used
0
0
0
1
ACG
sets CGRAM address
3
0
0
1
ADD
sets DDRAM address
3
0 1 BF
11
10
AC
read data
write data
reads BF indicating internal operation is
0
being performed and reads AC contents
reads data from CGRAM or DDRAM
3
writes data to CGRAM or DDRAM
3
Notes
1. In the I2C-bus mode the DL bit is don't care. 8-bit mode is assumed. In the I2C-bus mode a control byte is required when bit RS or R/W is changed;
control byte: Co, RS, R/W, 0, 0, 0, 0, 0; command byte: DB7 to DB0.
2. Example: fosc = 150 kHz, Tcy = f--o-1--s--c- = 6.67 µs ; 3 cycles = 20 µs; 165 cycles = 1.1 ms.
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