pcf8577c NXP Semiconductors, pcf8577c Datasheet - Page 6

• Manufacturer Part Number: pcf8577c
• Description: Lcd Direct/duplex Driver With I2c-bus Interface
• Manufacturer: NXP Semiconductors

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