pcf8534a NXP Semiconductors, pcf8534a Datasheet - Page 24

• Manufacturer Part Number: pcf8534a
• Description: Universal Lcd Driver For Low Multiplex Rates
• Manufacturer: NXP Semiconductors

NXP Semiconductors
PCF8534A_3
Product data sheet
8.4 Display controller
Table 14.
See
[1]
The display controller executes the commands identified by the command decoder. It
contains the status registers of the PCF8534A and coordinates their effects.
The controller also loads display data into the display RAM as required by the storage
order.
Bit
7 to 3
2
1 to 0
Only normal blinking can be selected in multiplexer 1:3 or 1:4 drive modes.
Section
Symbol
-
A
BF[1:0]
Blink select command bit description
7.15.
Value
1 1110
0
1
00
01
10
11
Rev. 03 — 10 November 2008
Description
fixed value
blink mode selection
blink frequency selection
normal blinking
blinking by alternating display RAM banks
off
1
2
3
Universal LCD driver for low multiplex rates
[1]
PCF8534A
© NXP B.V. 2008. All rights reserved.
24 of 44