PCF8576CT/S480/1,1 NXP Semiconductors, PCF8576CT/S480/1,1 Datasheet - Page 30
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PCF8576CT/S480/1,1
Manufacturer Part Number
PCF8576CT/S480/1,1
Description
LCD Drivers Universal LCD Driver Low Multiplex Rates
Manufacturer
NXP Semiconductors
Datasheet
1.PCF8576CTS48011.pdf
(61 pages)
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NXP Semiconductors
PCF8576C
Product data sheet
7.18.3 Device-select command
7.18.4 Bank-select command
7.18.5 Blink-select command
7.19 Display controller
Table 11.
Table 12.
[1]
Table 13.
[1]
[2]
The display controller executes the commands identified by the command decoder. It
contains the status registers of the PCF8576C and coordinates their effects. The
controller is also responsible for loading display data into the display RAM as required by
the filling order.
Bit
7
6 to 4
3 to 0
Bit
7
6 to 2
1
0
Bit
7
6 to 3
2
1 to 0
The bank-select command has no effect in 1:3 and 1:4 multiplex drive modes.
Normal blinking is assumed when the LCD multiplex drive modes 1:3 or 1:4 are selected.
Alternate RAM bank blinking does not apply in 1:3 and 1:4 multiplex drive modes.
Symbol
C
-
A[2:0]
Symbol
C
-
I
O
Symbol
C
-
AB
BF[1:0]
Device-select command bit description
Bank-select command bit description
Blink-select command bit description
All information provided in this document is subject to legal disclaimers.
Value
0, 1
1100
000 to 111
Value
0, 1
11110
0
1
0
1
Value
0, 1
1110
0
1
00
01
10
11
Rev. 11 — 30 March 2012
Description
see
fixed value
3 bit binary value, 0 to 7; transferred to the subaddress
counter to define one of eight hardware subaddresses
Description
see
fixed value
blink mode selection
blink frequency selection
Description
Static
see
fixed value
input bank selection; storage of arriving display data
output bank selection; retrieval of LCD display data
RAM bit 0
RAM bit 2
RAM bit 0
RAM bit 2
normal blinking
alternate RAM bank blinking
off
1
2
3
Figure 21
Figure 21
Figure 21
Universal LCD driver for low multiplex rates
[1]
[2]
1:2 multiplex
RAM bits 0 and 1
RAM bits 2 and 3
RAM bits 0 and 1
RAM bits 2 and 3
PCF8576C
© NXP B.V. 2012. All rights reserved.
[1]
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