PCF8531U2D NXP [NXP Semiconductors], PCF8531U2D Datasheet - Page 26

• Manufacturer Part Number: PCF8531U2D
• Description: 34 x 128 pixel matrix driver Single-chip LCD controller and driver
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
Table 11.
[1]
PCF8531
Product data sheet
Instruction
temperature control 0
test modes
V
LCD
R/W is set to the slave address byte; Co and RS are set in the control byte.
control
Instruction set
I
command
RS
0
0
2
C-bus
Table 12.
[1]
Table 13.
Bit
PD
V
IM
H[1:0]
D and E
HVE
PRS
TC[2:0]
S[1:0]
Bits
Command page (H)
H[1:0]
Display modes (D, E)
D and E
…continued
The bits H[1:0] identify the command page (use set default H[1:0] command to set H[1:0] = 0).
R/W
0
0
0
[1]
Explanation for symbols in
Description of bits H, D and E, TC and S
I
DB7
0
0
1
2
C-bus command byte
[1]
All information provided in this document is subject to legal disclaimers.
0
chip is active
horizontal addressing
normal mode; full display + icons
see
see
voltage multiplier disabled
V
see
see
DB6
0
1
VOP6 VOP5 VOP4 VOP3 VOP2 VOP1 VOP0 set V
LCD
Table 13
Table 13
Table 13
Table 13
programming range LOW
Rev. 6 — 16 May 2011
DB5
1
X
Value
00
01
10
00
10
01
11
DB4
0
X
Table 11
0
DB3
X
Description
function and RAM command page
display setting command page
HV-gen command page
display blank
normal mode
all display segments
inverse video mode
DB2
TC2
X
1
chip is in power-down mode
vertical addressing
icon mode; only icons are displayed
voltage multiplier enabled
V
LCD
DB1
TC1
X
programming range HIGH
34 x 128 pixel matrix driver
DB0
TC0
X
PCF8531
© NXP B.V. 2011. All rights reserved.
Description
set temperature
coefficient
do not use
(reserved for test)
LCD
register
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