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PCF8537 Datasheet(PDF) 7 Page - NXP Semiconductors

Part # PCF8537
Description  Industrial LCD driver for multiplex rates up to 1:8
PDF  82 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8537 Datasheet(HTML) 7 Page - NXP Semiconductors

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PCF8537
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 1 — 31 May 2012
7 of 82
NXP Semiconductors
PCF8537
Industrial LCD driver for multiplex rates up to 1:8
8.
Functional description
The PCF8537 is a versatile peripheral device designed to interface any microcontroller to
a wide variety of LCDs. It can directly drive any static or multiplexed LCD containing up to
352 elements.
8.1 Commands of PCF8537
The commands to control the PCF8537 are defined in Table 4. Any other combinations of
operation code bits that are not mentioned in this document can lead to undesired
operation modes of PCF8537.
[1]
For further information about the register selection bit, see Table 30 on page 52.
Table 4.
Commands of PCF8537
The bit labeled with - is not implemented.
Command name RS[1] Bits
Reference
7
6
5
4
3
2
1
0
Initialize
0
0
0
1
1
1
0
1
0
Section 8.1.1
OTP-refresh
0
1
1
0
1
0
0
0
0
Section 8.1.2
Oscillator-ctrl
0
1
1
0
0
1
1
COE
OSC
Section 8.1.3
Charge-pump-ctrl 0
1
1
0
0
0
0
CPE
CPC
Section 8.1.4
Temp-msr-ctrl
0
1
1
0
0
1
0
TCE
TME
Section 8.1.5
Temp-comp
0
0
0
0
1
1
SLA[2:0]
Section 8.1.6
0
0
0
1
0
0
SLB[2:0]
0
0
0
1
0
1
SLC[2:0]
0
0
0
1
1
0
SLD[2:0]
Set-VPR
0
0
1
0
0
VPR[7:4]
Section 8.1.7
0
0
1
0
1
VPR[3:0]
Display-enable
0
0
0
1
1
1
0
0
E
Section 8.1.8
Set-MUX-mode
0
0
0
0
0
0
M[2:0]
Section 8.1.9
Set-bias-mode
0
1
1
0
0
0
1
B[1:0]
Section 8.1.10
Load-data-pointer 0
1
0
P[5:0]
Section 8.1.11
Frame-frequency
0
0
1
1
F[4:0]
Section 8.1.12
Bank-select
0
0
0
0
0
1
0
IBS
OBS
Section 8.1.13
Write-RAM-data
1
B[7:0]
Section 8.1.14
Temp-read
-
TD[7:0]
Section 8.1.15
Invmode_ctrl
0
1
1
0
1
0
1
LF
0
Section 8.1.16
Temp-filter
0
1
1
0
1
0
0
1
TFE
Section 8.1.17



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