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參數(shù)資料
| 型號： | PCF8813 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | (67 + 1) x 102 pixels matrix LCD driver |
| 中文描述： | （67 1）× 102像素矩陣LCD驅(qū)動器 |
| 文件頁數(shù)： | 31/72頁 |
| 文件大?。?/td> | 446K |
| 代理商： | PCF8813 |
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2004 Mar 05
31
Philips Semiconductors
Product specification
(67 + 1)
×
102 pixels matrix LCD driver
PCF8813
Table 7
Read status byte
BIT
FUNCTION
BUSY
DON
RES
MF[2:0]
DS[1:0]
0 = chip is able to accept new commands; 1 = chip is unable to accept new commands
0 = display OFF; 1 = display ON
0 = reset NOT in progress; 1 = reset in progress
manufacturer identification bits
device recognition; currently has a fixed value of 00 (recognition bits for a driver with 64 to 67 rows)
Table 8
Display control; bits D and E
Table 9
Set temperature coefficient; bits TC[1:0]
Table 10
Set voltage multiplication factor; bits S[1:0]
11.1
Initialization
Immediately following Power-on, all internal registers as
well as the RAM content are undefined. ARES pulse
must
be applied to the reset input.
Reset is accomplished by applying an external reset pulse
(active LOW) at the pad RES. When reset occurs within
the specified time all internal registers are reset, however
theRAMisstillundefined.TheRESinputmustbe
≤
0.3V
DD
when V
DD
reaches V
DD(min)
(or higher) within a maximum
time t
VHRL
after V
DD
going HIGH (see Fig.37).
A reset can also be made by sending a reset command.
This command can be used during normal operating but
not to initialize the chip after Power-on.
11.2
Reset function
After reset the LCD driver has the following state:
Power-down mode (PD = 1)
Horizontal addressing (V = 0)
Normal instruction set (H = 0)
Display blank (D and E = 00)
Address counter X[6:0] = 0000000 and Y[3:0] = 0000
Temperature control mode TC[1:0] = 00
V
LCD
is equal to 0 and PRS = 0
Power control is enabled (PC = 1)
Normal row driving of display (N/P = 1)
Partial mode set for all rows available
(M[7:0] = 11111111)
HV generator programmed off (V
PR
[6:0] = 0000000)
2
×
voltage multiplier (S[1:0] = 00)
After power-on, RAM data is undefined, the reset signal
does not change the content of the RAM
Data order DO = 0
All LCD outputs at V
SS
(display off)
Bias system (BS[2:0] = 000
Display start line set to R0 (C[6:0] = 000000)
RAM line address set to 0 (L[6:0] = 000000)
Maximum X address = 101 (X
max
[6:0] = 1100101)
Maximum Y address = 8 (Y
max
[3:0] = 1000)
Display is not mirrored (MX = 0; MY = 0 and BRS = 0).
11.3
Power-down mode
Power-down mode gives the following circuit status:
V
LCD
discharges to V
SS
as Power-down mode occurs
All LCD outputs go to V
SS
(display off)
Bias generator and V
LCD
generator switch-off, V
LCD
can
be disconnected
Oscillator switches off (external clock is possible)
RAM contents are not cleared; RAM data can be written.
D
E
FUNCTION
0
1
0
1
0
0
1
1
display blank
normal mode
all display segments on
inverse video mode
TC
1
0
0
1
1
TC
0
0
1
0
1
FUNCTION
V
LCD
temperature coefficient 0
V
LCD
temperature coefficient 1
V
LCD
temperature coefficient 2
V
LCD
temperature coefficient 3
S
1
0
0
1
1
S
0
0
1
0
1
FUNCTION
2
×
voltage multiplier
3
×
voltage multiplier
4
×
voltage multiplier
5
×
voltage multiplier
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PCF88132 | (67 + 1) x 102 pixels matrix LCD driver |
| PCF88132DA | (67 + 1) x 102 pixels matrix LCD driver |
| PCF8813U | (67 + 1) x 102 pixels matrix LCD driver |
| PCF8820 | 67 x 101 Grey-scale/ECB colour dot matrix LCD driver |
| PCF8820U | 67 x 101 Grey-scale/ECB colour dot matrix LCD driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCF88132 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:(67 + 1) x 102 pixels matrix LCD driver |
| PCF88132DA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:(67 + 1) x 102 pixels matrix LCD driver |
| PCF8813U | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:(67 + 1) x 102 pixels matrix LCD driver |
| PCF8820 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:67 x 101 Grey-scale/ECB colour dot matrix LCD driver |
| PCF8820U | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:67 x 101 Grey-scale/ECB colour dot matrix LCD driver |
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