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參數(shù)資料
| 型號： | P83C434CFP |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | ECONOLINE: RU - Twin Independent Outputs- Output/Output Isolation 1kVDC- Power Sharing on Outputs- Input/Output Isolation 1kVDC- No Heatsink Required- UL94V-0 Package Material- Toroidal Magnetics- No Extern. Components Required- Custom Solutions Available- Efficiency t |
| 中文描述： | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PDIP42 |
| 文件頁數(shù)： | 17/36頁 |
| 文件大?。?/td> | 165K |
| 代理商： | P83C434CFP |
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1997 Jul 03
17
Philips Semiconductors
Product specification
8-bit microcontrollers with LCD-driver
P83C434; P83C834
6.6.5
LCD C
ONTROL
R
EGISTER
(LCDCON)
After an external or Power-on-reset the LCD Control Register holds the value 0CH (see Table 10) resulting in:
The LCD is disabled. All segment and backplane drivers are set to the V
SS
level.
BIAS is set to generate
1
3
V
DD(P)
.
Bits MD0 and MD1 reset the multiplex ratio to the 1 : 4 mode.
Table 17
LCD Control Register (address B9H)
Table 18
Description of LCDCON bits
Table 19
Multiplex ratio mode selection
6.6.6
LCD
SEGMENT DISPLAY REGISTERS
(LCD0
TO
LCD11)
The 12 display registers, LCD0 to LCD11, are 8-bit derivative (Read/Write) registers which store LCD segment data.
For detailed information, regarding the LCD0 to LCD11, see Table 23 in Section 6.7.7.
7
6
5
4
3
2
1
0
MD1
MD0
BIAS
ENLCD
BIT
SYMBOL
DESCRIPTION
7 to 4
3
2
1
MD1
MD0
BIAS
Reserved.
Mode bits
. MD0 and MD1 determine the multiplex rate; see Table 19.
The BIAS bit
sets the LCD voltage bias generator. If BIAS is:
HIGH, then the LCD voltage bias generator is set to
1
2
V
DD(P)
.
LOW, then the LCD voltage bias generator is set to
1
3
V
DD(P)
.
Enable LCD
. If ENLCD is:
LOW, then the LCD is disabled.
All segment and backplane drivers are set to the V
SS
level.
HIGH, then the LCD is enabled and character display is possible.
0
ENLCD
MD1
MD0
MULTIPLEX RATIO MODE
0
0
1
1
0
1
0
1
static
1 : 2
1 : 3
1 : 4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| P83C434 | 8-bit microcontrollers with LCD-driver |
| P83C834 | 8-bit microcontrollers with LCD-driver |
| P83C834CFP | 8-bit microcontrollers with LCD-driver |
| P83C453EFAA | CMOS single-chip 8-bit microcontrollers |
| P87C453EBLKA | CMOS single-chip 8-bit microcontrollers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P83C453EBAA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 8K/256 OTP/ROM, expanded I/O |
| P83C453EFAA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:CMOS single-chip 8-bit microcontrollers |
| P83C504GBA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| P83C504GBB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| P83C504GBN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
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