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PCF8577CT Fiches technique(PDF) 6 Page - NXP Semiconductors

No de pièce PCF8577CT
Description  LCD direct/duplex driver with I2C-bus interface
PDF  28 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF8577CT Fiches technique(HTML) 6 Page - NXP Semiconductors

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1998 Jul 30
6
Philips Semiconductors
Product specification
LCD direct/duplex driver with
I2C-bus interface
PCF8577C
Fig.3 PCF8577C register organization.
MGA733
msb
lsb
msb
lsb
0
2
4
6
1
3
5
7
V5
V4
V3
V2
V1
V0
CONTROL REGISTER
SEGMENT BYTE REGISTERS
BANK 'A'
BANK 'B'
DISPLAY
CONTROL
SEGMENT BYTE VECTOR
(SBV)
segment byte
register
address
comparison
A2
A1
A0
device
subaddress
(1)
(1)
0
BANK 'A'
1
BANK 'B'
BANK
DISPLAY
MODE
0
DIRECT DRIVE
1
DUPLEX DRIVE
(1) Bits ignored in duplex mode.
Fig.4 Direct drive mode display output waveforms.
Von(rms) =VDD − VSS; Voff(rms) =0.
MGA737
VDD
VSS
VDD
VSS
SS
DD
V
V
0
SS
DD
(V
V
)
BP1
Sx
Segment x
(Sx)
BP1
1
f
LCD
OFF
ON



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