PCF2119AU NXP [NXP Semiconductors], PCF2119AU Datasheet - Page 17
PCF2119AU
Manufacturer Part Number
PCF2119AU
Description
LCD controllers/drivers Single-chip LCD controller and driver
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCF2119AU.pdf
(83 pages)
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NXP Semiconductors
9. Display data RAM and ROM
PCF2119X
Product data sheet
9.1 DDRAM
The Display Data RAM (DDRAM) stores up to 80 characters of display data represented
by 8-bit character codes. RAM locations which are not used for storing display data can
be used as general purpose RAM.
The basic RAM to display addressing scheme is shown in
With no display shift the characters represented by the codes in the first 32 RAM locations
starting at address 00h are displayed in line 1.
Fig 7.
Fig 8.
All addresses are shown in hex.
DDRAM to display mapping: no shift
All addresses are shown in hex.
DDRAM to display mapping: right shift
display
position
DDRAM
address
1-line display
DDRAM
address
2-line display/MUX 1 : 9 mode
All information provided in this document is subject to legal disclaimers.
00 01 02 03 04
00 01 02 03 04
40 41 42 43 44
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
Rev. 7 — 15 November 2010
DDRAM
address
2-line display/MUX 1 : 9 mode
27 00 01 02 03
67 40 41 42 43
1 2 3 4 5
1 2 3 4 5
1D 1E 1F 20 21
0D 0E 0F 10 11
4D 4E 4F 50 51
30 31 32
14 15 16
14 15 16
non-displayed DDRAM address
non-displayed DDRAM addresses
14 15 16
14 15 16
0C 0D 0E
4C 4D 4E
Figure
mgl536
line 1
line 2
24 25 26 27
64 65 66 67
LCD controllers/drivers
7,
Figure 8
PCF2119x
4C 4D 4E 4F
© NXP B.V. 2010. All rights reserved.
mgk892
line 1
line 2
and
Figure
17 of 83
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