OM6208 NXP Semiconductors, OM6208 Datasheet - Page 10

• Manufacturer Part Number: OM6208
• Description: Om6208 65 X 96 Pixels Matrix Grey-scale Lcd Driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
8.1
The mode for storing data in the display data RAM is
dependent on:
8.1.1
Two different addressing modes are possible; horizontal
addressing mode and vertical addressing mode.
2003 feb 10
handbook, full pagewidth
handbook, full pagewidth
Horizontal/vertical addressing mode set by bit V in the
‘RAM addressing mode’ instruction
Data order set by bit DOR in the ‘data order’ instruction
Mirror the X-axis set by input MX.
65 x 96 pixels matrix grey-scale LCD driver
Display data RAM structure
H
ORIZONTAL
Fig.5 Sequence of writing data bytes into the RAM with vertical addressing (V = 1).
Fig.4 Sequence of writing data bytes into RAM with horizontal addressing (V = 0).
/
VERTICAL ADDRESSING
1440
1536
192
288
384
96
16
0
0
0
1
2
3
4
5
0
1441
1537
193
289
385
33
97
17
18
19
20
21
22
1
1442
194
290
386
98
2
X address
X address
10
In the horizontal addressing mode (V = 0) the X address
increments after each byte. After the last X address
(X = 95), X wraps around to 0 and Y increments to
address the next row (see Fig.4).
In the vertical addressing mode (V = 1), the Y address
increments after each byte. After the last Y address
(Y = 16), Y wraps around to 0 and X increments to
address the next column (see Fig.5).
After the very last address, the address pointers wrap
around to address X = 0 and Y = 0 in both horizontal and
vertical addressing modes.
1535
1631
1631
191
95
95
95
Y address
Y address
16
16
0
0
MGW824
MGW825
Product specification
OM6208