PCF85133U/2DA/1 NXP [NXP Semiconductors], PCF85133U/2DA/1 Datasheet - Page 23
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PCF85133U/2DA/1
Manufacturer Part Number
PCF85133U/2DA/1
Description
Universal LCD driver for low multiplex rates
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCF85133U2DA1.pdf
(41 pages)
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NXP Semiconductors
PCF85133_1
Product data sheet
7.18 Display controller
Table 13.
See
[1]
Table 14.
See
[1]
[2]
The display controller executes the commands identified by the command decoder. It
contains the device’s status registers and co-ordinates their effects. The display controller
is also responsible for loading display data into the display RAM as required by the filling
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.
Normal blinking is assumed when the LCD multiplex drive modes 1:3 or 1:4 are selected.
For the blink frequencies see
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
111110
0
1
0
1
Value
11110
0
1
00
01
10
11
Rev. 1 — 17 February 2009
7.11,
Table
Section
Description
Static
fixed value
Input bank selection: storage of arriving display data
Output bank selection: retrieval of LCD display data
Description
fixed value
blink mode selection
blink mode selection
7.
RAM bit 0
RAM bit 2
RAM bit 0
RAM bit 2
normal blinking
blinking by alternating display RAM banks
off
1
2
3
7.12,
Section 7.13
Universal LCD driver for low multiplex rates
[1]
[1]
[2]
and
Section
1:2 multiplex
7.14.
RAM bits 0 and 1
RAM bits 2 and 3
RAM bits 0 and 1
RAM bits 2 and 3
PCF85133
© NXP B.V. 2009. All rights reserved.
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