PCF8562TT/2,118 NXP Semiconductors, PCF8562TT/2,118 Datasheet - Page 12

• Manufacturer Part Number: PCF8562TT/2,118
• Description: IC LCD DRIVER 32/128SEG 48-TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCF8562TT/2,118

• Package / Case: 48-TSSOP
• Display Type: LCD
• Configuration: 7 Segment + DP, 14 Segment (32 Segment)
• Interface: I²C
• Current - Supply: 32µA
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Number Of Digits: 16
• Number Of Segments: 32
• Maximum Clock Frequency: 2640 Hz
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 85 C
• Attached Touch Screen: No
• Maximum Supply Current: 20 uA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: OM6292 - DEMO BOARD PCA2125 RTCOM10088 - KIT FOR LCD DEMO LPC900622-1003 - KIT FOR LCD DEMO
• Digits Or Characters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-2029-2; PCF8562TT/2,518; PCF8562TT/2-T

NXP Semiconductors
PCF8562_5
Product data sheet
7.4.3 1:3 Multiplex drive mode
When three backplanes are provided in the LCD, the 1:3 multiplex drive mode applies
(see
Fig 7.
Figure
(1) V
(2) V
(3) V
(4) V
state 1
state 2
S n+1
S n+2
BP2
BP0
BP1
Waveforms for the 1:3 multiplex drive mode with
S n
state1
on(RMS)
state2
off(RMS)
7).
(t) = V
(t) = V
All information provided in this document is subject to legal disclaimers.
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
−V
−2V
−V
V
2V
V
−V
−2V
−V
0 V
0 V
= 0.638V
= 0.333V
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
Sn
Sn+1
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
(t) − V
/ 3
/ 3
(t) − V
Rev. 05 — 19 May 2010
LCD
LCD
BP0
.
.
BP1
(t).
(t).
(a) Waveforms at driver.
(b) Resultant waveforms
at LCD segment.
Universal LCD driver for low multiplex rates
T
fr
1
⁄
3
bias
state 1
state 2
LCD segments
mgl748
PCF8562
© NXP B.V. 2010. All rights reserved.
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