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參數(shù)資料
| 型號： | HT95C20P |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | 8-Bit CID Type Phone Controller MCU |
| 中文描述： | 8位偵緝型電話MCU控制器 |
| 文件頁數(shù)： | 30/50頁 |
| 文件大小： | 324K |
| 代理商： | HT95C20P |
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HT95C200/20P/300/30P
Rev. 0.10
30
October 1, 2002
Preliminary
Register
Label
Bits
R/W
Function
LCDC
(2DH)
FRAME
0
RW
LCD frame selection
0: LCD frame is 64Hz
1: LCD frame is 128Hz
VBIAS
1
RW
LCD BIAS selection
0: select 1/16 duty and 1/5 bias, COM0~COM15 are available
1: select 1/8 duty and 1/4 bias, only COM8~COM15 are available
When the 8 COM is selected
HT95C300/30P: COM0~COM7 will be optioned to unused pins
HT95C200/20P: COM0~COM7 are disabled, PD0~PD7 are available
LBEN
2
RW
Low battery detection switch
0: disable the low battery detection
1: enable the low battery detection
3
RO
Unused bit, read as 0
LBFG
4
RO
Low battery detection flag
1: LBIN pin voltage is less than 1.25V
0: LBIN pin voltage is not less than 1.25V
VCON0
VCON1
5
6
RW
LCD contrast adjusting
Bit6,5=00: LCD voltage supply is 0.66 VLCD
Bit6,5=10: LCD voltage supply is 0.82 VLCD
Bit6,5=01: LCD voltage supply is 0.93 VLCD
Bit6,5=11: LCD voltage supply is 1.00 VLCD
LCDON
7
RW
1: Turn on the LCD display
0: Turn off the LCD display
LCDIO
(28H)
0~4
RO
Unused bit, read as 0
SPE0
5
RW
For HT95C300/30P only
0: SEG44~SEG47 pins are LCD segment output
1: SEG44~SEG47 pins are PE0~PE3 pins
SPD0
6
RW
For HT95C300/30P only
0: SEG36~SEG39 pins are LCD segment output
1: SEG36~SEG39 pins are PD0~PD3 pins
SPD1
7
RW
For HT95C300/30P only
0: SEG40~SEG43 pins are LCD segment output
1: SEG40~SEG43 pins are PD4~PD7 pins
LCD driver
The LCD driver can directly drive an LCD panel with 1/8
duty and 1/4 bias or with 1/16 duty and 1/5 bias, this
function is selected by the flag VBIAS. The frame of this
LCDdrivermayselecta64Hzor128HzbyflagFRAME.
LCD driver uses the voltage of the VLCD pin as the
power source. To adjust the view angle, the programmer
can select the real LCD power by the flags VCON0 and
VCON1.TheflagLCDONisusedtoturnOn/OfftheLCD
display. Note that the VLCD voltage must equal or be
less than VDD and VDD2.
Segment/Common to I/O selection
For the flexible purpose, some of the LCD COMMON
and SEGMENT pins are shared with the input/output
port. HT95C300/30P provides 12 pins to be selected to
SEGMENT output pins or I/O pins. HT95C200/20P pro-
vides 8 pins to be selected for COMMON output pins or
I/O pins.
Both of the HT95C300/30P and HT95C200/20P provide
the LCD COMMON output pins for 8 COMMON or 16
COMMON. The description of the relation between seg-
ment pins, common pins and I/O pins are shown on the
next page.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HT95C300 | 8-Bit CID Type Phone Controller MCU |
| HT95C30P | 8-Bit CID Type Phone Controller MCU |
| HT95C200 | 8-Bit CID Type Phone Controller MCU |
| HT95CXXX | CID Type Phone 8-Bit MCU |
| HT95L400-128QFP-A | LCD Type Phone 8-Bit MCU |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT95C300 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:CID Type Phone 8-Bit MCU |
| HT95C30P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:CID Type Phone 8-Bit MCU |
| HT95C400 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:CID Type Phone 8-Bit MCU |
| HT95C40P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:LCD Type Phone 8-Bit MCU |
| HT95CXXX | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:CID Type Phone 8-Bit MCU |
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