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參數(shù)資料
| 型號： | HE84761 |
| 廠商： | King Billion Electronics Co., Ltd. |
| 英文描述： | 8-bit Micro-controller |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 14/30頁 |
| 文件大?。?/td> | 456K |
| 代理商： | HE84761 |
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King Billion Electronics Co., Ltd
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HE84761
HE80000 SERIES
August 15, 2003
This specification is subject to change without notice. Please contact sales person for the latest version before use.
Page 14 of 30
V1.2
1111
1/12
7.1.
LCDC Control register
The gray scale of the LCD driver can be adjusted by GRAY field of LCD. The LCD panel can be blanked
by setting the BLANK field of LCDC register. LCD driver can be totally turned off by clearing LCDE bit
of LCDC.
LCDC
Field
Reset
bit 7
-
-
bit 6
-
-
bit 5
-
-
bit 4
bit 3
GRAY
-
bit 2
bit 1
BLANK LCDE
1
bit 0
-
-
0
Field
GRAY
BLANK
Value Function
000
LCD is darkest.
111
LCD is lightest.
0
normal display
1
LCD display blanked. The COM signals of LCD driver output inactive levels
(LVL4 and LVL1) while SEG signals output normal display patterns.
0
LCD driver disabled, LCD driver has no output signal.
1
LCD driver Enabled
LCDE
Please note that LCD driver must be turned off before the MCU goes into sleep mode. In other words,
user must clear the bit 0 (LCDE bit) of LCDC to turn off LCD driving circuit before setting bit6 of OP1
to enter sleep mode. Large current might happen if the procedure is not followed.
Please note that LCD driver uses slow clock as clock source. The LCD display would not display
normally if it worked in Fast clock only mode as the LCD refresh action would be too fast.
8.
Oscillators
The MCU is equipped with two clock sources with a variety of selections on the types of oscillators to
choose from. So that system designer can select oscillator types based on the cost target, timing accuracy
requirements etc. Crystal, Resonator or the RC oscillator can be used as fast clock source, components
should be placed as close to the pins as possible. The type of oscillator used is selected by mask option
MO_FXTAL.
MO_FXTAL Fast clock type
0
RC Oscillator.
1
Crystal Oscillator.
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| HE84770D | 8-bit Micro-controller |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HE84761(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HE84762(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HE84770 | 制造商:KB 制造商全稱:KB 功能描述:8-bit Micro-controller |
| HE84770(S) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HE847701 | 制造商:KB 制造商全稱:KB 功能描述:8-bit Micro-controller |
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