PC8533-2 View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'PC8533-2' PDF : 45 Pages View PDF
NXP Semiconductors
PCF8533
Universal LCD driver for low multiplex rates
Table 12. Device-select command bit description
See Section 7.12.
Bit
Symbol Value
Description
7 to 3 -
1110 0
fixed value
2 to 0 A[2:0] 000 to 111 immediate data
3-bit binary value of 0 to 7, transferred to the subaddress
counter to define one of 8 hardware subaddresses
Table 13. Bank-select command bit description[1]
See Section 7.10, Section 7.11, Section 7.13, Section 7.14 and Section 7.12.
Bit
Symbol Value
Description
Static
1:2 multiplex
7 to 2 -
111110 fixed value
1
I
Input bank selection: storage of arriving display data
0
RAM bit 0
RAM bits 0 and 1
1
RAM bit 2
RAM bits 2 and 3
0
O
Output bank selection: retrieval of LCD display data
0
RAM bit 0
RAM bits 0 and 1
1
RAM bit 2
RAM bits 2 and 3
[1] The bank-select command has no effect in 1:3 or 1:4 multiplex drive modes.
Table 14. Blink-select command bit description
See Section 7.15.
Bit
Symbol Value
Description
7 to 3 -
1111 0
fixed value
2
A
blink mode selection[1]
0
normal blinking
1
blinking by alternating display RAM banks
1 to 0 BF[1:0]
blink mode selection[2]
00
off
01
1
10
2
11
3
[1] Only normal blinking can be selected in multiplexer 1:3 or 1:4 drive modes.
[2] For the blink frequency see Table 7
8.3 Display controller
The display controller executes the commands identified by the command decoder. It
contains the device’s status registers and co-ordinates their effects. The display controller
is also responsible for loading display data into the display RAM as required by the filling
order.
PCF8533_4
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 04 — 5 March 2010
© NXP B.V. 2010. All rights reserved.
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