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PCF8536AT 데이터시트(PDF) 7 Page - NXP Semiconductors

부품명 PCF8536AT
상세설명  Automotive 40 x 4 LCD driver
PDF  54 Pages
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8536AT 데이터시트(HTML) 7 Page - NXP Semiconductors

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PCA85276
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2018. All rights reserved.
Product data sheet
Rev. 3 — 12 November 2018
7 of 54
NXP Semiconductors
PCA85276
Automotive 40 x 4 LCD driver
6.1.4 Command: bank-select
The bank-select command controls where data is written to RAM and where it is displayed
from.
[1]
The bank-select command has no effect in 1:3 and 1:4 multiplex drive modes.
6.1.5 Command: blink-select
The blink-select command allows configuring the blink mode and the blink frequency.
[1]
Normal blinking is assumed when the LCD multiplex drive modes 1:3 or 1:4 are selected.
[2]
Alternate RAM bank blinking does not apply in 1:3 and 1:4 multiplex drive modes.
6.1.5.1
Blinking
The display blinking capabilities of the PCA85276 are very versatile. The whole display
can blink at frequencies selected by the blink-select command (see Table 10). The blink
frequencies are derived from the clock frequency. The ratio between the clock and blink
frequencies depends on the blink mode selected (see Table 11).
Table 9.
Bank-select command bit description
See Section 6.3.5.
Bit
Symbol
Value
Description
Static
1:2 multiplex[1]
7
C
0, 1
see Table 5
6 to 2
-
11110
fixed value
1I
input bank selection; storage of arriving display data
0
RAM row 0
RAM rows 0 and 1
1
RAM row 2
RAM rows 2 and 3
0O
output bank selection; retrieval of LCD display data
0
RAM row 0
RAM rows 0 and 1
1
RAM row 2
RAM rows 2 and 3
Table 10.
Blink-select command bit description
See Section 6.1.5.1.
Bit
Symbol
Value
Description
7C
0, 1see Table 5
6 to 3
-
1110
fixed value
2AB
blink mode selection
0
normal blinking[1]
1
alternate RAM bank blinking[2]
1 to 0
BF[1:0]
blink frequency selection
00
off
01
1
10
2
11
3



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