pcf8536 NXP Semiconductors, pcf8536 Datasheet - Page 52

• Manufacturer Part Number: pcf8536
• Description: Universal Lcd Driver For Low Multiplex Rates Including A 6 Channel Pwm Generator
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCF8536
Product data sheet
Fig 40. SPI-bus example
SCL
SDI
CE
In this example, the bias system is set to
transmitted, the state of the SDI line is not important.
R/W
b7
1
b6
0
SA
b5
1
Fig 39. SPI-bus write example
R/W = 0
b4
0
EXAMPLES
a) transmit two bytes of display RAM data
b) transmit two command bytes
c) transmit one command byte and two display RAM date bytes
0 0 1
0 0 1
0 0 1
0 0 1
b3
0
subaddress
unused
Data transfers are terminated by de-asserting CE (set CE to logic 1).
b2
0
b1
0
All information provided in this document is subject to legal disclaimers.
b0
0
C
O
0
1 0
1 0
Universal LCD low multiplex driver with 6 channel PWM generator
control byte
0
R
S
1
1
b7
⁄
3
0
R
S
0
1
0
0
. The transfer is terminated by CE returning to logic 1. After the last bit is
Rev. 1 — 6 October 2011
b6
0
b5
0
command byte
b4
RAM/command byte
M
S
B
0
COMMAND
COMMAND
b3
RAM DATA
0
b2
0
b1
0
S
B
L
0 0
0 0
b0
0
RAM DATA
0
1
b7
0
b6
Bias sytem = 1/3 B[1:0] = 11
0
b5
0
b4
0
COMMAND
RAM DATA
b3
0
b2
013aaa466
1
PCF8536
© NXP B.V. 2011. All rights reserved.
b1
1
b0
1
RAM DATA
013aaa465
52 of 74