pcf2119x-2 NXP Semiconductors, pcf2119x-2 Datasheet - Page 13
pcf2119x-2
Manufacturer Part Number
pcf2119x-2
Description
Controllers/drivers
Manufacturer
NXP Semiconductors
Datasheet
1.PCF2119X-2.pdf
(60 pages)
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Philips Semiconductors
28. August 2000
handbook, full pagewidth
LCD controllers/drivers
Character code bits 0 to 3 correspond to CGRAM address bits 3 to 6.
CGRAM address bits 0 to 2 designate the character pattern line position. The 8th line is the cursor position and display is performed by logical OR with
the cursor. Data in the 8th position will appear in the cursor position.
Character pattern column positions correspond to CGRAM data bits 0 to 4, as shown in Fig.6.
As shown in Figs 6 and 7, CGRAM character patterns are selected when character code bits 4 to 7 are all logic 0. CGRAM data = logic 1 corresponds
to selection for display.
Only bits 0 to 5 of the CGRAM address are set by the ‘set CGRAM address’ command. Bit 6 can be set using the ‘set DDRAM address’ command in
the valid address range or by using the auto-increment feature during CGRAM write. All bits 0 to 6 can be read using the ‘read busy flag and address
counter’ command.
7
0
0
0
0
0
0
0
higher
order
6
bits
0
0
0
0
0
0
0
character codes
(DDRAM data)
5
0
0
0
0
0
0
0
4
0
0
0
0
0
0
0
3
0
0
0
1
1
1
1
2
0
0
0
1
1
1
1
lower
order
Fig.9 Relationship between CGRAM addresses, data and display patterns.
bits
1
0
0
1
1
1
1
1
0
0
1
0
1
1
1
1
0
1
1
1
1
6
0
0
higher
order
bits
1
1
1
1
0
0
0
5
1
1
1
1
0
0
1
4
CGRAM
address
1
1
1
1
3
0
1
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
1
1
2
lower
order
bits
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
13
higher
order
bits
4
0
0
0
0
0
0
character patterns
(CGRAM data)
3
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
lower
order
bits
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
example 1
example 2
character
character
pattern
position
pattern
cursor
PCF2119x-2
Product specification
4
1
1
1
1
1
1
1
0
1
0
1
0
1
0
0
0
character code
(CGRAM data)
3
1
0
0
1
0
0
0
0
0
1
1
0
1
0
0
0
1
0
0
1
1
0
0
0
0
0
1
1
1
1
1
0
2
1
1
0
0
1
0
1
0
0
0
1
1
0
1
0
0
0
MGE995
0
0
1
1
0
0
0
1
0
1
0
1
0
1
0
0
0
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