PCF85321 NXP [NXP Semiconductors], PCF85321 Datasheet - Page 34

• Manufacturer Part Number: PCF85321
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCF8532_1
Product data sheet
Fig 22. Cascaded configuration with one PCF8532 and one PCF8533 using the internal
V
V
V
LCD
DD
CONTROLLER
SS
PROCESSOR/
(1) Is master (OSC connected to V
(2) Is slave (OSC connected to V
MICRO-
MICRO-
(max 6.5 V)
HOST
clock of the master
R
2C
t
r
B
Rev. 1 — 10 February 2009
DD
SYNC
SS
).
OSC
SYNC
SDA
CLK
SCL
SDAACK
SDAACK
).
SDA
SCL
CLK
OSC
A0
Universal LCD driver for low multiplex rates
A0
PCF8532
A1
PCF8533
V DD
V
A1
(1)
DD
SA0
(2)
A2
V LCD
V
LCD
SA0
V
SS
V
160 segment drives
SS
4 backplanes
BP0 to BP3
segment drives
BP0 to BP3
(open-circuit)
80/40
PCF8532
© NXP B.V. 2009. All rights reserved.
LCD PANEL
(up to 2560
elements)
001aah854
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