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PCF8562 датащи(PDF) 22 Page - NXP Semiconductors

номер детали PCF8562
подробное описание детали  Universal LCD driver for low multiplex rates
PDF  44 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF8562 датащи(HTML) 22 Page - NXP Semiconductors

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PCF8562
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 6 — 16 June 2011
22 of 43
NXP Semiconductors
PCF8562
Universal LCD driver for low multiplex rates
7.12 Command decoder
The command decoder identifies command bytes that arrive on the I2C-bus. The
commands available to the PCF8562 are defined in Table 9.
[1]
Not used.
All available commands carry a continuation bit C in their most significant bit position as
shown in Figure 18. When this bit is set, it indicates that the next byte of the transfer to
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 10).
Table 9.
Definition of PCF8562 commands
Command
Operation code
Reference
Bit
7
6
5
4
3
2
1
0
mode-set
C
1
0
-[1]
E
B
M[1:0]
Table 11
load-data-pointer
C
0
0
P[4:0]
Table 12
device-select
C
110
0A[2:0]
Table 13
bank-select
C
1
1
1
1
0
I
O
Table 14
blink-select
C
1
1
1
0
AB
BF[1:0]
Table 15
Table 10.
C bit description
Bit
Symbol
Value
Description
7C
continue bit
0
last control byte in the transfer; next byte will be regarded
as display data
1
control bytes continue; next byte will be a command too



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