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參數資料
| 型號： | HT9480 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | Pager Controller |
| 中文描述： | 傳呼機控制器 |
| 文件頁數： | 22/57頁 |
| 文件大?。?/td> | 1541K |
| 代理商： | HT9480 |
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Display memory
LCD display
The LCD display memory is embedded in the
data memory (mapped to the addresses
C0H~E 2H of bank 27). It can be read and writ-
ten to as a normal data memory. The following
figure illustrates the mapping between the dis-
play memory and the LCD pattern.
To turn the display on/off, the programmer
writes 1 or 0 to the corresponding bit of the
display memory. The LCD display module can
be of any form as long as the number of the
common doesn’t exceed 4 and the number of the
segment is not over 35.
The entire number of the LCD driver output is
35
×
4. The LCD driver can directly drive an LCD
of 1/4 duty cycle and 1/3 bias. All of the LCD
segments are random at the initial clear mode.
The frequency of the LCD driving clock is fixed
at about 256Hz, and cannot be changed. It is set
by HOLTE K according to the application.
The following is an example of an 8-segment
digit display, which shows a waveform of “5”.
Pager decoder
The pager decoder is a POCSAG code pager
decoder at 512, 1200, or 2400 bps data rate,
compatible with CCIR radio paging Code No.1
(POCSAG Code). The decoder supports six user
addresses and six independently programma-
ble user frames.
HT9480
22
23th Feb ’98
相關PDF資料 |
PDF描述 |
|---|---|
| HT95168 | Caller ID Telephone IC |
| HT9580 | Character Pager Controller |
| HT95A30P | 8-Bit LCD Type Phone Controller MCU |
| HT95L300 | 8-Bit LCD Type Phone Controller MCU |
| HT95A20P | 8-Bit LCD Type Phone Controller MCU |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HT9480_02 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:8-Bit Numerical Pager Controller MCU |
| HT94804 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Numeric Pager Controller ??(Simplified Chinese Version Only) |
| HT-95 | 制造商:FCI 功能描述:RATCHET CRIMP TOOL 制造商:FCI 功能描述:RATCHET CRIMP TOOL; Crimp Size:32AWG to 22AWG; For Use With:Crimp-to-Wire PV Receptacles & Pins ;RoHS Compliant: NA |
| HT95168 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Caller ID Telephone IC |
| HT9580 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Character Pager Controller |
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