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PCF8536AT 数据表(PDF) 6 Page - NXP Semiconductors

部件名 PCF8536AT
功能描述  Automotive 80 횞 4 LCD driver for low multiplex rates
PDF  54 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCF8536AT 数据表(HTML) 6 Page - NXP Semiconductors

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PCA85233
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2018. All rights reserved.
Product data sheet
Rev. 5 — 12 November 2018
6 of 54
NXP Semiconductors
PCA85233
Automotive 80 × 4 LCD driver for low multiplex rates
[1]
The bank-select command has no effect in 1:3 or 1:4 multiplex drive modes.
[1]
Normal blinking can only be selected in multiplex drive mode 1:3 or 1:4.
[2]
For the blink frequencies, see Table 12.
7.2 Clock and frame frequency
7.2.1 Oscillator
The internal logic and the LCD drive signals of the PCA85233 are timed by a frequency
fclk which either is derived from the built-in oscillator frequency fosc:
(1)
Table 8.
Device-select command bit description
See Section 7.3.2.
Bit
Symbol
Value
Description
7 to 2
-
111000
fixed value
1 to 0
A[1:0]
00 to 11
device selection
2-bit binary value of 0 to 3, transferred to the subaddress
counter to define one of 4 hardware subaddresses
Table 9.
Bank-select command bit description[1]
See Section 7.3.5 and Section 7.3.6.
Bit
Symbol
Value
Description
Static
1:2 multiplex
7 to 2
-
111110
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 7.2.3.
Bit
Symbol
Value
Description
7 to 3
-
11110
fixed value
2AB
blink mode selection[1]
0
normal blinking
1
blinking by alternating display RAM banks
1 to 0
BF[1:0]
blink frequency selection[2]
00
off
01
1
10
2
11
3
f
clk
f
osc
64
--------
=



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