PCA8536 查看數據表（PDF） - NXP Semiconductors.

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PCA8536

Automotive LCD driver for low multiplex rates including a 6 channel PWM generator

NXP Semiconductors. 

NXP Semiconductors

PCA8536

Automotive LCD low multiplex driver with 6 channel PWM generator

8. Functional description

The PCA8536 is a versatile peripheral device designed to interface any microcontroller to

a wide variety of LCDs and 6 backlight LEDs. It can directly drive any multiplexed LCD

containing up to eight backplanes and up to 44 segments.

8.1 Commands of PCA8536

The PCA8536 is controlled by 15 commands, which are defined in Table 4. Any other

combinations of operation code bits that are not mentioned in this document may lead to

undesired operation modes of PCA8536.

Table 4. Commands of PCA8536

Command name

Register

selection

RS[1:0][1]

initialize

0

0

OTP-refresh

0

0

PWM-inversion

0

0

mode-settings

0

0

oscillator-control

0

0

GPO-output-config

0

0

0

0

0

0

set-MUX-mode

0

0

set-bias-mode

0

0

frame-frequency-LCD 0

0

frame-frequency-PWM 0

0

GPO-static-data

0

0

0

0

load-data-pointer-LCD 0

0

load-data-pointer-PWM 0

0

write-RAM-data

0

1

write-PWM-data

1

0

Bits

Reference

7

6

5

4

3

2

1

0

0

0

0

1

0

1

1

0

Section 8.1.1

1

1

1

1

0

0

0

0

Section 8.1.2

0

0

0

1

0

1

0

PWMI Section 8.1.3

0

1

0

1

BPS INV PD E

Section 8.1.4

0

0

0

1

1

EFR COE OSC Section 8.1.5

1

1

0

0

GPM1[1:0] GPM0[1:0] Section 8.1.6

1

1

0

1

GPM3[1:0] GPM2[1:0]

1

1

1

0

GPM5[1:0] GPM4[1:0]

0

0

0

0

0

0

M[1:0]

Section 8.1.7

0

0

0

0

0

1

B[1:0]

Section 8.1.8

0

0

1

FD[4:0]

Section 8.1.9

0

1

0

0

FP[3:0]

Section 8.1.10

0

1

1

0

0

GPO2 GPO1 GPO0 Section 8.1.11

0

1

1

0

1

GPO5 GPO4 GPO3

1

0

DP[5:0]

Section 8.1.12

0

1

1

1

0

PP[2:0]

Section 8.1.13

D[7:0]

Section 8.1.14

0

P[6:0]

Section 8.1.15

[1] Information about control byte and register selection see Section 9.1 on page 46.

8.1.1 Command: initialize

This command generates a chip-wide reset. It has the same function as the RESET pin.

Reset takes 1 ms to complete.

Table 5. Initialize - initialize command bit description

Bit

Symbol

Value

Description

7 to 0 -

0001 0110

fixed value

PCA8536

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 2 — 21 February 2012

© NXP B.V. 2012. All rights reserved.

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