PCF2113AU/10/F4 NXP [NXP Semiconductors], PCF2113AU/10/F4 Datasheet - Page 19

• Manufacturer Part Number: PCF2113AU/10/F4
• Description: LCD controllers/drivers
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCF2113_FAM_4
Product data sheet
8.13 Timing generator
8.14 LCD row and column drivers
The timing generator produces the various signals required to drive the internal circuitry.
Internal chip operation is not disturbed by operations on the data buses.
The PCF2113x contains 18 row and 60 column drivers, which connect the appropriate
LCD bias voltages in sequence to the display in accordance with the data to be displayed.
R17 and R18 drive the icon rows.
The bias voltages and the timing are selected automatically when the number of lines in
the display is selected.
waveforms. Unused outputs should be left unconnected.
Fig 12. Cursor and blink display examples
Fig 13. Example of a display with icons
Cursor display example
Bit Q = 1
5 x 7 dot character font
Rev. 04 — 4 March 2008
Figure
cursor
14,
row 17
row 8
row 2
row 1
Figure
icon 1
15,
Figure 16
icon 5
001aah687
Blink display example
cursor
alternating display
and
Figure 17
LCD controllers/drivers
PCF2113x
show typical
© NXP B.V. 2008. All rights reserved.
mga801
19 of 65