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參數(shù)資料
| 型號(hào)： | PCF8812 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | CRYSTAL, 8.0 MHZ |
| 中文描述： | 65 × 102像素矩陣LCD驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 14/36頁(yè) |
| 文件大小： | 201K |
| 代理商： | PCF8812 |
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2000 Nov 22
14
Philips Semiconductors
Product specification
65
×
102 pixels matrix LCD driver
PCF8812
Table 2
Explanations for symbols in Table 1
BIT
0
1
RESET STATE
PD
V
H
PRS
chip is active
horizontal addressing
use basic instruction set
V
LCD
programming range;
LOW
display blank
normal mode
all display segments on
inverse video mode
V
LCD
temperature
coefficient 0
V
LCD
temperature
coefficient 1
V
LCD
temperature
coefficient 2
V
LCD
temperature
coefficient 3
2
×
voltage multiplier
3
×
voltage multiplier
4
×
voltage multiplier
5
×
voltage multiplier
V
LCD
programming
chip is in Power-down mode
vertical addressing
use extended instruction set
V
LCD
programming range;
HIGH
1
0
0
0
D, E
00
10
01
11
00
D = 0
E = 0
TC1 to
TC0
TC1 to TC0 = 00
01
10
11
S1 to S0
00
01
10
11
S1 to S0 = 00
V
OP
6 to
V
OP
0
BS2 to
BS0
V
OP
6 to V
OP
0 = 0000000
bias system
BS2 to BS0 = 000
10.1
Initialization
Immediately following power-on, all internal registers as
well as the RAM content are undefined; a reset pulse must
be applied.
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
the RAM is still undefined. The state after reset is
described in Section 10.2.
The RES input must be
≤
0.3V
DD
when V
DD
reaches
V
DD(min)
(or higher) within a maximal time t
VHRL
after V
DD
going HIGH (see Fig.16).
10.2
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 (E = D = 0)
Address counter X6 to X0 = 0; Y3 to Y0 = 0
Temperature control mode (TC1 to TC0 = 0)
Bias system (BS2 to BS0 = 0)
V
LCD
is equal to 0; the HV-generator is switched off
(V
OP
6 to V
OP
0 = 0 and PRS = 0)
After power-on; RAM data is undefined; the reset signal
doesn’t change the content of the RAM
All LCD outputs at V
SS
(display off).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PCF8812U | CRYSTAL, 8,0 MHZ |
| PCF8813 | (67 + 1) x 102 pixels matrix LCD driver |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCF8812U | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:65 x 102 pixels matrix LCD driver |
| PCF8812U/2 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:65 x 102 pixels matrix LCD driver |
| PCF8812U/2/F1 | 制造商:PH 功能描述: |
| PCF8813 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:(67 + 1) x 102 pixels matrix LCD driver |
| PCF88132 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:(67 + 1) x 102 pixels matrix LCD driver |
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