PCF8576DT NXP Semiconductors, PCF8576DT Datasheet - Page 25

• Manufacturer Part Number: PCF8576DT
• Manufacturer: NXP Semiconductors

Specifications of PCF8576DT

• Operating Supply Voltage (typ): 2.5/3.3/5V
• Number Of Digits: 20
• Number Of Segments: 160
• Package Type: TSSOP
• Pin Count: 56
• Mounting: Surface Mount
• Power Dissipation: 400mW
• Frequency (max): 400KHz
• Operating Supply Voltage (min): 1.8V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / Rohs Status: Supplier Unconfirmed

NXP Semiconductors
PCF8576D_9
Product data sheet
7.17 Command decoder
The command decoder identifies command bytes that arrive on the I
The commands available to the PCF8576D are defined in
Table 7.
[1]
All available commands carry a continuation bit C in their most significant bit position as
shown in
arrive will 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 (see
Table 8.
Table 9.
[1]
Command
Bit
mode-set
load-data-pointer
device-select
bank-select
blink-select
Bit
7
Bit
7
6, 5
4
3
2
1 to 0
Not used.
The possibility to disable the display allows implementation of blinking under external control.
Figure
Symbol
C
Symbol
C
-
-
E
B
M[1:0]
Definition of PCF8576D commands
C bit description
Mode-set command bits description
18. When this bit is set, it indicates that the next byte of the transfer to
Value
0
1
Value
0, 1
10
-
0
1
0
1
01
10
11
00
Rev. 09 — 25 August 2009
Operation Code
7
C
C
C
C
C
6
1
0
1
1
1
Description
see
fixed value
unused
display status
LCD bias configuration
LCD drive mode selection
Description
continue bit
disabled (blank)
enabled
1
1
static; BP0
1:2 multiplex; BP0, BP1
1:3 multiplex; BP0, BP1, BP2
1:4 multiplex; BP0, BP1, BP2, BP3
5
0
P5
1
1
1
last control byte in the transfer; next byte will be regarded
as display data
control bytes continue; next byte will be a command too
3
2
Table 8
bias
bias
4
[1]
P4
0
1
1
Universal LCD driver for low multiplex rates
3
E
P3
0
1
0
[1]
2
B
P2
A2
0
A
Table
1
M1
P1
A1
I
BF1
7.
PCF8576D
2
0
M0
P0
A0
O
BF0
C-bus.
© NXP B.V. 2009. All rights reserved.
Reference
Table 9
Table 10
Table 11
Table 12
Table 13
Table
8).
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