PCF8531U NXP [NXP Semiconductors], PCF8531U Datasheet - Page 24

• Manufacturer Part Number: PCF8531U
• Description: 34 x 128 pixel matrix driver
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCF8531_4
Product data sheet
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
Temperature coefficient (TC)
TC[2:0]
Voltage multiplier factor (S)
S[1:0]
The bits H[1:0] identify the command page (use ‘Set default H[1:0]’ command to set H[1:0] = 0).
Explanation for symbols in
Description of bits H, D and E, TC and S
[1]
0
chip is active
horizontal addressing
normal mode; full display + icons
see
see
voltage multiplier disabled
V
see
see
LCD
Table 13
Table 13
Table 13
Table 13
Rev. 04 — 13 June 2008
programming range LOW
Value
00
01
10
00
10
01
11
000
001
010
011
100
101
110
111
00
01
10
11
Table 11
Description
function and RAM command page
display setting command page
HV-gen command page
display blank
normal mode
all display segments
inverse video mode
temperature coefficient TC
temperature coefficient TC
temperature coefficient TC
temperature coefficient TC
temperature coefficient TC
temperature coefficient TC
temperature coefficient TC
temperature coefficient TC
2
3
4
5
voltage multiplier
voltage multiplier
voltage multiplier
voltage multiplier
1
chip is in Power-down mode
vertical addressing
icon mode; only icons are displayed
voltage multiplier enabled
V
LCD
programming range HIGH
34 x 128 pixel matrix driver
0
1
2
3
4
5
6
7
PCF8531
© NXP B.V. 2008. All rights reserved.
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