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PCF8820U датащи(PDF) 13 Page - NXP Semiconductors

номер детали PCF8820U
подробное описание детали  67 x 101 Grey-scale/ECB colour dot matrix LCD driver
PDF  60 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF8820U датащи(HTML) 13 Page - NXP Semiconductors

Back Button PCF8820U Datasheet HTML 9Page - NXP Semiconductors PCF8820U Datasheet HTML 10Page - NXP Semiconductors PCF8820U Datasheet HTML 11Page - NXP Semiconductors PCF8820U Datasheet HTML 12Page - NXP Semiconductors PCF8820U Datasheet HTML 13Page - NXP Semiconductors PCF8820U Datasheet HTML 14Page - NXP Semiconductors PCF8820U Datasheet HTML 15Page - NXP Semiconductors PCF8820U Datasheet HTML 16Page - NXP Semiconductors PCF8820U Datasheet HTML 17Page - NXP Semiconductors Next Button
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2000 Dec 07
13
Philips Semiconductors
Product specification
67
× 101 Grey-scale/ECB colour dot matrix
LCD driver
PCF8820
7.17
DDRAM addressing
Data is written in 8-bit bytes into the display data RAM
matrix of the PCF8820 (see Figs 6 to 8). The display data
RAM comprises a matrix of 67
× 101 × 2 bits. The columns
are addressed by the address pointer. The address ranges
are: X = 0 to 100 (64H) and Y=0to16 (10H). It should be
noted that only 3 rows are addressed in bank 16.
Addresses outside these ranges are not allowed.
Bit MX (see Table 3) enables or disables horizontal
address space mirroring:
• When bit MX = 0, mirroring is disabled. The address
corresponds to Col0 (see Fig.7).
• When bit MX = 1, mirroring is enabled and address
X = 0 corresponds to Col0 (see Fig.8). Bit MX
determines how data is written to the RAM. If bit MX is
changed after writing data to the RAM, no change on the
display will be visible.
handbook, full pagewidth
MGT119
0
100
X address
Col0
LSB
MSB
0
16
Y address
Fig.7 RAM X-address format for mirroring disabled.
handbook, full pagewidth
MGT120
X address
Col0
LSB
MSB
0
16
Y address
100
0
Fig.8 RAM X-address format for mirroring enabled.



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