rw1067c-0c-003 Newhaven Display International, Inc, rw1067c-0c-003 Datasheet - Page 19

• Manufacturer Part Number: rw1067c-0c-003
• Description: 34com/80seg Driver & Controller For Dot Matrix Lcd
• Manufacturer: Newhaven Display International, Inc

CGROM has 9,600 bits x 1+10,240 bits x 3 (240+256 x 3 characters x 5 x 8 dot)
CGRAM has up to 5
can be used ( refer to Table 2 ).
Table 2. Relationship between Character Code (DDRAM) and Character Pattern (CGRAM)
1. When BE (Blink Enable bit) = "High", blink is controlled by B1 and B0 bit.
In case of 6-dot font width, when B1 = "1", enabled dots of P0-P5 will blink, and when B1 = "0" and B0 = "1",
enabled dots of P5 will blink, when B1 = "0" and B0 = "0", blink will not happen.
2. "X": Don't care
CGROM (CHARACTER GENERATOR ROM)
CGRAM (CHARACTER GENERATOR RAM)
5 x 8dots Character Pattern
D7 D6 D5 D4 D3 D2 D1 D0 A5 A4 A3 A2 A1 A0 P7 P6 P5 P4 P3 P2 P1 P0
0
0
Character Code (DDRAM data)
0
0
0
0
0
0
.
.
.
.
.
.
.
.
.
.
0
0
8 dots 8 characters. By writing font data to CGRAM, user defined character
0
1
0
1
0
1
34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
0
1
RockWorks Technology Corp.
CGRAM Address
0
1
.
.
.
.
.
.
.
.
.
.
0
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
19
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
.
.
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
B1 B0
B1 B0
.
.
.
.
.
.
.
.
X
X
CGRAM Data
RW1067C-0C-003
0
1
1
1
1
1
1
0
1
1
1
1
1
1
1
0
.
.
1
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
1
1
1
1
1
1
0
1
1
1
1
1
1
1
0
Pattern 1
Pattern 8
Number
Pattern