UPD16434 NEC, UPD16434 Datasheet - Page 31

• Manufacturer Part Number: UPD16434
• Description: 1/8/ 1/16 DUTY LCD CONTROLLER/DRIVER
• Manufacturer: NEC

6. DISPLAY EXAMPLES
characters "AEZ" in 8-time-division mode.
(0 to 14) and column signals C0 to C14.
addresses 00H to 0EH (0 to 14) in data memory banks 0 and 1 and column signals C0 to C14.
shown in Figure 6–3.
V
LCD
Figure 6–1 shows how the data memory contents and LCD display pattern are corresponded, when displaying
This example is to display 3 digits of 5 7 (5 8) dot characters, and uses data memory addresses 00H to 0EH
Figure 6–2 shows the timing waveforms for displaying character "A" in columns C14 to C10 for the display example,
shown in figure 6–1.
Figure 6–3 shows how the data memory contents and display pattern are corresponded, when displaying characters
"
This example is to display 5
Figure 6–4 shows the timing waveforms for displaying character "
In Figure 6–2 and Figure 6–4, when the differential waveform levels between the row signal and column signal are
ANZ
8, 5
and –V
" in 16-time-division mode.
LCD
Bank 0/1
Note Display data is read out from either bank 0 or bank 1.
14 13 12 11 10
0
1
1
1
1
1
1
0
, the LCD dot corresponding to these signals will be lit.
1
0
0
1
0
0
0
0
Note
1
0
0
1
0
0
0
0
data memory address
1
0
0
1
0
0
0
0
0
1
1
1
1
1
1
0
7 (5
9
1
1
1
1
1
1
1
0
8
1
0
0
1
0
0
1
0
8) dot characters in two rows, 3 digits in each row, and uses data memory
7
1
0
0
1
0
0
1
0
Figure 6–1. 8-Time-divisions
6
1
0
0
1
0
0
1
0
Data Sheet S10299EJ4V0DS00
5
1
0
0
0
0
0
1
0
4
1
0
0
0
0
1
1
0
3
1
0
0
0
1
0
1
0
2
1
0
0
1
0
0
1
0
1
1
0
1
0
0
0
1
0
PD16434
A
8
0
1
1
0
0
0
0
1
0
" in columns C14 to C10 for display example,
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6
bit 7
Timing strobe
PD16434
31