參數(shù)資料
型號(hào): PCF8531
廠商: NXP Semiconductors N.V.
英文描述: 34×128 pixel matrix driver(34×128 像素矩陣驅(qū)動(dòng)器)
中文描述: 34 × 128像素矩陣驅(qū)動(dòng)器(34 × 128像素矩陣驅(qū)動(dòng)器)
文件頁(yè)數(shù): 17/44頁(yè)
文件大?。?/td> 212K
代理商: PCF8531
2000 Feb 11
17
Philips Semiconductors
Product specification
34
×
128 pixel matrix driver
PCF8531
Table 6
Explanations for symbols in Table 5
Note
1.
The H-bits identify the command page (use set default H[1:0] command to set H[1:0] = 0.
BIT
0
1
PD
V
IM
H[1:0]
(1)
D and E
HVE
PRS
TC[2:0]
S[1:0]
chip is active
horizontal addressing
normal mode; full display + icons
see Table 7
see Table 7
voltage multiplier disabled
V
LCD
programming range LOW
see Table 7
see Table 7
chip is in Power-down mode
vertical addressing
icon mode; only icons are displayed
voltage multiplier enabled
V
LCD
programming range HIGH
Table 7
Description of bits H, D and E, TC and S
Table 8
Multiplex rates
BITS
VALUE
DESCRIPTION
Command page (H)
H[1:0]
00
01
10
function and RAM command page
display setting command page
HV-gen command page
Display modes (D, E)
D and E 00
display blank
normal mode
all display segments
inverse video mode
10
01
11
Temperature coefficient (TC)
TC[2:0]
000
001
010
011
100
101
110
111
temperature coefficient 0
temperature coefficient 1
temperature coefficient 2
temperature coefficient 3
temperature coefficient 4
temperature coefficient 5
temperature coefficient 6
temperature coefficient 7
Voltage multiplier factor (S)
S[1:0]
00
01
10
11
2
×
voltage multiplier
3
×
voltage multiplier
4
×
voltage multiplier
5
×
voltage multiplier
MUX RATE
M1
M0
1 : 17
1 : 26
1 : 34
0
1
0
0
0
1
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