pcf8814 NXP Semiconductors, pcf8814 Datasheet - Page 39

• Manufacturer Part Number: pcf8814
• Description: Pcf8814 65 X 96 Pixels Matrix Lcd Driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
11.11 Orthogonal functions
The orthogonal functions used in the PCF8814 are shown
in Tables 25 and 26. SF refers to the sub-frame. All the
rows will have the first function applied before the function
moves on to its next state. For clarity, no N-line inversion
is shown here.
Table 25 Orthogonal functions: p = 4
Table 26 Orthogonal functions: p = 2
2003 Mar 13
65
1st FOUR ROWS
1st TWO ROWS
96 pixels matrix LCD driver
R0
R1
R2
R3
R0
R1
SF0
1
0
0
0
SF0
1
1
NORMAL FRAME
NORMAL FRAME
SF1
0
1
0
0
SF2
0
0
1
0
39
SF1
Figure 37 shows the row waveforms and Fig.38 shows the
orthogonal function selection for the PCF8814.
0
1
SF3
0
0
0
1
SF0
0
1
1
1
SF0
0
0
INVERSE FRAME
INVERSE FRAME
SF1
1
0
1
1
Objective specification
SF2
1
1
0
1
PCF8814
SF1
1
0
SF3
1
1
1
0