PCA8537 Datasheet, PDF (7/82 Pages) NXP Semiconductors – Automotive LCD driver for multiplex rates up to 1:8

NXP Semiconductors
PCA8537
Automotive LCD driver for multiplex rates up to 1:8
8. Functional description
The PCA8537 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 PCA8537
The commands to control the PCA8537 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 PCA8537.
Table 4. Commands of PCA8537
The bit labeled with - is not implemented.
Command name RS^[1] Bits
7 6543
2
1
0
Initialize
0 00111
0
1
0
OTP-refresh
0 11010
0
0
0
Oscillator-ctrl
0 11001
1
COE OSC
Charge-pump-ctrl 0 1 1 0 0 0
0
CPE CPC
Temp-msr-ctrl 0 1 1 0 0 1
0
TCE TME
Temp-comp
0 00011
SLA[2:0]
0 00100
SLB[2:0]
0 00101
SLC[2:0]
0 00110
SLD[2:0]
Set-VPR
0 0 1 0 0 VPR[7:4]
0 0 1 0 1 VPR[3:0]
Display-enable 0 0 0 1 1 1
0
0
E
Set-MUX-mode 0 0 0 0 0 0
M[2:0]
Set-bias-mode 0 1 1 0 0 0
1
B[1:0]
Load-data-pointer 0 1 0 P[5:0]
Frame-frequency 0 0 1 1 F[4:0]
Bank-select
0 00001
0
IBS OBS
Write-RAM-data 1 B[7:0]
Temp-read
-
TD[7:0]
Invmode_ctrl
0 11010
1
LF 0
Temp-filter
0 11010
0
1
TFE
Reference
Section 8.1.1
Section 8.1.2
Section 8.1.3
Section 8.1.4
Section 8.1.5
Section 8.1.6
Section 8.1.7
Section 8.1.8
Section 8.1.9
Section 8.1.10
Section 8.1.11
Section 8.1.12
Section 8.1.13
Section 8.1.14
Section 8.1.15
Section 8.1.16
Section 8.1.17
[1] For further information about the register selection bit, see Table 30 on page 52.
PCA8537
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 31 May 2012
© NXP B.V. 2012. All rights reserved.
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