03805-21-0100 IEE (INDUSTRIAL ELECTRONIC ENGINEERS), 03805-21-0100 Datasheet - Page 10

• Manufacturer Part Number: 03805-21-0100
• Description: 92B7890
• Manufacturer: IEE (INDUSTRIAL ELECTRONIC ENGINEERS)

Specifications of 03805-21-0100

• No. Of Digits / Alpha: 160
• Character Count X Line: 40 X 4
• Character Size: 10.4mm
• Supply Voltage: 5V
• Display Mode: Reflective
• Display Area Width: 248.7mm
• Display Area Height: 51.5mm

3.2
Upon power up, the Daystar Nova module is set to a default mode of operation. Under some power up
circumstances, the default mode may be improperly set. Consequently, the following instructions should
always be executed in the host systems initialization routine.
Refer to instruction set for values of DL, I/D, S, D, C and B. (* Don't care)
3.3
The DD RAM contains the 8 bit character codes of the 40 characters displayed on the Daystar Nova LCD. The
Cursor or Display Shift instruction and the Write to DD RAM and Entry Mode instructions affect the relationship
between DD RAM address and display position. Figures 6 to 10 illustrate the effects of these instructions.
MPU1
MPU2
MPU1
MPU2
Industrial Electronic Engineers, Inc.
Power Up Instructions Sequence
Instructions Affecting the Relationship of Display Position, Cursor, and DD RAM Address
* = Cursor
* = Cursor
STEP
Step
1
2
3
4
5
6
1
2
3
4
5
6
00*
40
00*
40
01
41
00*
40
Van Nuys, California
Function Set for 8 bits
Repeat, Function Set for 8 bits
Function Set
Clear Display
Entry Mode Set
Display On/Off Control
RS
01
41
01
41
02
42
01
41
0
0
0
0
0
0
02
42
02
42
03
43
02
42
R/W
Figure 7
0
0
0
0
0
0
Operation
03
43
03
43
04
44
03
43
Figure 6
04
44
04
44
05
45
04
44
DB7
0
0
0
0
0
0
05
45
05
45
06
46
05
45
Display Shift Left from Initial Conditions
DB6
0
0
0
0
0
0
06
46
06
46
07
47
06
46
Initial Conditions on Power Up
Scale: NONE
SIZE
07
47
07
47
08
48
07
47
DB5
A
1
1
1
0
0
0
08
48
08
48
09
49
08
48
CODE IDENT NO.
DB4
DL
09
49
09
49
0A
4A
09
49
1
1
0
0
0
05464
0A
4A
0A
4A
0B
4B
0A
4A
DB3
Rev
1
0
0
1
*
*
C
22
62
22
62
23
63
22
62
DB2
D
0
0
1
*
*
23
63
23
63
24
64
23
63
Sheet 10
S03805–21–0100
DB1
I/D
C
0
24
64
24
64
25
65
24
64
*
*
*
25
65
25
65
26
66
25
65
DB0
S
B
1
*
*
*
26
66
26
66
27
67
26
66
00*
27
67
27
67
40
27
67