PCF8566T NXP Semiconductors, PCF8566T Datasheet - Page 24

• Manufacturer Part Number: PCF8566T
• Manufacturer: NXP Semiconductors

Specifications of PCF8566T

• Operating Supply Voltage (typ): 3.3/5V
• Number Of Digits: 12
• Number Of Segments: 96
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Package Type: VSO
• Pin Count: 40
• Mounting: Surface Mount
• Power Dissipation: 400mW
• Frequency (max): 315KHz
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 6V
• Lead Free Status / Rohs Status: Not Compliant

NXP Semiconductors
Table 8.
PCF8566_7
Product data sheet
Command
Mode set
Load data
pointer
Device select
Bank select
Blink
Definition of PCF8566 commands
Opcode
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
C
C
C
C
C
8.3.1 Mode set command
8.3 Command decoder
1
0
1
1
1
The command decoder identifies command bytes that arrive on the I
commands carry a continuation bit C in their most significant bit position as shown in
Figure
also represent a command. If this bit is reset, it indicates that the command byte is the last
in the transfer. Further bytes will be regarded as display data.
The five commands available to the PCF8566 are defined in
Table 9.
LCD drive mode
Drive mode
static
1:2
1:3
1:4
Fig 18. General format of byte command
0
0
1
1
1
(1) C = 0; last command.
(2) C = 1; commands continue.
18. When this bit is set, it indicates that the next byte of the transfer to arrive will
LP
P4
0
1
1
LCD drive mode command bit description
E
P3
0
1
0
Backplane
BP0
BP0, BP1
BP0, BP1. BP2
BP0, BP1. BP2, BP3
Rev. 07 — 25 February 2009
B
P2
A2
0
A
MSB
M1
P1
A1
I
BF1
C
M0
P0
A0
O
BF0
REST OF OPCODE
Reference
Section 8.3.1
Section 8.3.2
Section 8.3.3
Section 8.3.4
Section 8.3.5
Universal LCD driver for low multiplex rates
Bit
M1
0
1
1
0
msa833
Description
defines LCD drive mode, LCD bias
configuration, display status and
power dissipation mode
data pointer to define one of 24
display RAM addresses
define one of eight hardware
subaddresses
bit I: defines input bank selection
(storage of arriving display data);
bit O: defines output bank selection
(retrieval of LCD display data)
defines the blink frequency and blink
mode
LSB
Table
8.
M0
1
0
1
0
2
C-bus. All available
PCF8566
© NXP B.V. 2009. All rights reserved.
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