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PCF8531U Datasheet(PDF) 33 Page - NXP Semiconductors

Part # PCF8531U
Description  34 x 128 pixel matrix driver
PDF  44 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8531U Datasheet(HTML) 33 Page - NXP Semiconductors

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PCF8531_4
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 13 June 2008
33 of 44
NXP Semiconductors
PCF8531
34 x 128 pixel matrix driver
Fig 21. I2C-bus timing
SDA
mga728
SDA
SCL
tSU;STA
tSU;STO
tHD;STA
tBUF
tLOW
tHD;DAT
tHIGH
tr
tf
tSU;DAT
VDD1 =2V; 4 × voltage multiplier; Tamb =27 °C; TC = 0;
BS = 100; no VLCD load.
VDD1 = 1.8 V; VDD2 and VDD3 = 2.6 V; Tamb =27 °C;
fosc = 34 kHz; no VLCD load.
Fig 22. Supply current as a function of supply voltage
2 and supply voltage 3
Fig 23. Supply current as a function of LCD supply
voltage; different multiplication factors
23
4
5
400
200
100
300
mgs477
IDD
(
µA)
VDD2 and VDD3 (V)
4 V
VLCD = 9 V
7.5 V
246
10
400
200
100
300
mgs478
8
IDD
(
µA)
VLCD (V)
2
×
5
×
4
×
3
×



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