User`s manual
PK220046 s System Development
Row 0
Row 1
Column 0
Column 19
2x20 Character LCD
Row 0
Row 63
Column 0
Column 127
64x128 Graphic LCD
7 6 5 4 3 2 1 0
BUSY
0
ON/OFF
RESET
0
0
0
0
Most significant bit Least significant bit
PK2200 LCDs
The PK2200 Series LCDs are easy to use with Dynamic C software
libraries. Shown below are the layouts for both the 2x20 character display
and the 64x128 graphic display.
Figure 4-10. 2X20 Character LCD
Figure 4-11. 64X128 Graphic LCD
Graphic LCD Status
Several Dynamic C library functions return the operating status of the
LCD. The LCD status bits are shown in the following bitmap.
BUSY - Reading a 1 indicates LCD is performing an operation.
Reading a 0 indicates the LCD is ready to accept more data.