PCF8534AHL/1,518 NXP Semiconductors, PCF8534AHL/1,518 Datasheet - Page 27

• Manufacturer Part Number: PCF8534AHL/1,518
• Description: IC LCD DISPLAY DRVR 60SEG 80LQFP
• Manufacturer: NXP Semiconductors

Specifications of PCF8534AHL/1,518

• Package / Case: 80-LQFP
• Display Type: LCD
• Configuration: 60 Segment
• Interface: I²C
• Current - Supply: 8µA
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Number Of Digits: 30
• Number Of Segments: 240
• Maximum Clock Frequency: 400 KHz
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 85 C
• Maximum Supply Current: 50 mA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Digits Or Characters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-5058-2; 935289852518

NXP Semiconductors
PCF8534A_5
Product data sheet
8.4 Display controller
Table 13.
See
[1]
Table 14.
See
[1]
The display controller executes the commands identified by the command decoder. It
contains the status registers of the PCF8534A and coordinates their effects.
The controller also loads display data into the display RAM as required by the storage
order.
Bit
7 to 2
1
0
Bit
7 to 3
2
1 to 0
The bank select command has no effect in 1:3 or 1:4 multiplex drive modes.
Only normal blinking can be selected in multiplexer 1:3 or 1:4 drive modes.
Section
Section
Symbol
-
I
O
Symbol
-
A
BF[1:0]
Bank select command bit description
Blink select command bit description
7.10,
7.15.
Section
Value
1 1110
0
1
00
01
10
11
Value
11 1110
0
1
0
1
Rev. 05 — 6 August 2009
7.11,
Section
Description
fixed value
blink mode selection
blink frequency selection
Description
Static
fixed value
input bank selection: storage of arriving display data
output bank selection: retrieval of LCD display data
normal blinking
blinking by alternating display RAM banks
off
1
2
3
RAM bit 0
RAM bit 2
RAM bit 0
RAM bit 2
7.12,
Section 7.13
Universal LCD driver for low multiplex rates
[1]
and
Section
1:2 multiplex
RAM bits 0 and 1
RAM bits 2 and 3
RAM bits 0 and 1
RAM bits 2 and 3
7.14.
PCF8534A
© NXP B.V. 2009. All rights reserved.
[1]
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