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PCF8537 датащи(PDF) 7 Page - NXP Semiconductors |
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PCF8537 датащи(HTML) 7 Page - NXP Semiconductors |
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7 / 82 page ![]() 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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