ks0074 Samsung Semiconductor, Inc., ks0074 Datasheet - Page 19

• Manufacturer Part Number: ks0074
• Description: 34com/80seg Driver & Controller For Dot Matrix Lcd
• Manufacturer: Samsung Semiconductor, Inc.

KS0074
SEGRAM (Segment Icon RAM)
SEGRAM has segment control data and segment pattern data. During 1-line display mode, COM0(COM17) makes
the data of SEGRAM enable to display icons. When used in 2/4-line display mode COM0(COM33) does that.
Its higher 2-bits are blinking control data, and lower 6-bits are pattern data. (refer to Table 5 and Fig-8)
Table 5. Relationship between SEGRAM address and display pattern
control bit

 
   
2. S1~S80 : Icon pattern ON/OFF in 5-dot font width
3. "X" : Don't care








BE B1 B0
S1~S78 : Icon pattern ON/OFF in 6-dot font width
0
Control Bit
1
1
1








X
0
0
1







X
0
1
X








    
















!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
    
5-dot font width
34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD









"
#










"
#










"
#










"
#










"
#










"
#










"
#










"
#
"
No blink
No blink
D4 ~ D0
D4

      
Blinking Port
    

























"
#









"

#









"
#










"
#









"

#









"
#










"
#









"



    



6-dot font width



D5 ~ D0
No blink
No blink
D5












* 1. B1, B0 : Blinking