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PCA9620 데이터시트(PDF) 13 Page - NXP Semiconductors

부품명 PCA9620
상세설명  Universal LCD driver for low multiplex rates
PDF  71 Pages
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9620 데이터시트(HTML) 13 Page - NXP Semiconductors

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PCA9620
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 1 — 9 December 2010
13 of 71
NXP Semiconductors
PCA9620
Universal LCD driver for low multiplex rates
All of the display configurations in Table 24 can be implemented in the typical systems
shown in Figure 4 (internal VLCD) and in Figure 5 (external VLCD).
Fig 3.
Example of displays suitable for PCA9620
Table 24.
Selection of possible display configurations
Number of
Backplanes
Icons
Digits/Characters
Dot matrix/
Elements
7-segment
14-segment
8
480
60
30
480 dots (8
× 60)
6
320
45
22
360 dots (6
× 60)
4
240
30
15
240 dots (4
× 60)
2
120
15
7
120 dots (2
× 60)
160
7
360 dots (1
× 60)
VDD1 from 2.5 V to 5.5 V and VDD2 from 2.5 V to 5.5 V.
Fig 4.
Typical system configuration when using the internal VLCD generation
7-segment with dot
14-segment with dot and accent
013aaa312
dot matrix
HOST
PROCESSOR/
MICRO-
CONTROLLER
R
≤
tr
2Cb
SDA
SCL
60 segment drives
8 backplanes
LCD PANEL
(up to 480
elements)
PCA9620
A0
A1
VDD1
VSS
VSS
013aaa247
VDD2
VLCD
VDD2
VDD1
CLK
n.c.



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