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HT95L300 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc

Part # HT95L300
Description  LCD Type Phone 8-Bit MCU
Download  52 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT95L300 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc

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HT95LXXX
LCD Type Phone 8-Bit MCU
Rev. 1.20
1
May 26, 2004
Features
· Provide MASK type and OTP type version
· Operating voltage range: 2.4V~5.5V
· Program ROM
- HT95L400/40P: 16K´16 bits
- HT95L300/30P: 8K´16 bits
- HT95L200/20P: 8K´16 bits
- HT95L100/10P: 4K´16 bits
- HT95L000/00P: 4K´16 bits
· Data RAM
- HT95L400/40P: 2880´8 bits
- HT95L300/30P: 2112´8 bits
- HT95L200/20P: 1152´8 bits
- HT95L100/10P: 1152´8 bits
- HT95L000/00P: 384´8 bits
· Bidirectional I/O lines
- HT95L400/40P: 40~28 I/O lines
- HT95L300/30P: 28~16 I/O lines
- HT95L200/20P: 28~20 I/O lines
- HT95L100/10P: 20~16 I/O lines
- HT95L000/00P: 18~14 I/O lines
· 16-bit table read instructions
· Subroutine nesting
- HT95L400/40P: 12 levels
- HT95L300/30P: 8 levels
- HT95L200/20P: 8 levels
- HT95L100/10P: 8 levels
- HT95L000/00P: 4 levels
· Timer
- Two 16-bit programmable Timer/Event Counter
- Real time clock (RTC)
- Watchdog Timer (WDT)
· Programmable frequency divider (PFD)
Supported for HT95L400/40P, HT95L300/30P,
HT95L200/20P, HT95L100/10P
· Dual system clock: 32768Hz, 3.58MHz
· Four operating modes: Idle mode, Sleep mode,
Green mode and Normal mode
· Up to 1.117ms instruction cycle with 3.58MHz system
clock
· All instructions in one or two machine cycles
· Built-in 3.58MHz DTMF Generator
· Built-in dialer I/O
· Built-in low battery detector
Supported for HT95L400/40P, HT95L300/30P,
HT95L200/20P, HT95L100/10P
· LCD driver
- LCD contrast can be adjusted by software or exter-
nal resistor
- Support two LCD frame frequency 64Hz, 128Hz
- Support 16 or 8 common driver pins
- Some segments or commons can option to
bidirectional I/O lines
- HT95L400/40P: 48 seg.´16 com.
- HT95L300/30P: 48 seg.´16 com.
- HT95L200/20P: 24 seg.´16 com.
- HT95L100/10P: 20 seg.´8 com.
- HT95L000/00P: 16 seg.´8 com.
· HT95L400/40P: 128-pin QFP package
HT95L300/30P: 100-pin QFP package
HT95L200/20P: 100-pin QFP package
HT95L100/10P: 64-pin QFP package
HT95L000/00P: 56-pin SSOP package
Applications
· Deluxe Feature Phone
· Caller ID Phone
· Cordless Phone
· Fax and answering machines
· Other communication system
General Description
The HT95LXXX family MCU are 8-bit high performance
RISC-like microcontrollers with built-in DTMF generator
and dialer I/O which provide MCU dialer implementation
or system control features for telecom product applica-
tions. The phone controller has a built-in program ROM,
data RAM, LCD driver and I/O lines for high end prod-
ucts design. In addition, for power management pur-
pose, it has a built-in frequency up conversion circuit
(32768Hz to 3.58MHz) which provides dual system
clock and four types of operation modes. For example, it
can operate with low speed system clock rate of
32768Hz in green mode with little power consumption. It
can also operate with high speed system clock rate of
3.58MHz in normal mode for high performance opera-
tion. To ensure smooth dialer function and to avoid MCU
shut-down in extreme low voltage situation, the dialer
I/O circuit is built-in to generate hardware dialer signals
such as on-hook, hold-line and hand-free. Built-in real
time clock and programmable frequency divider are pro-
vided for additional fancy features in product develop-
ments. The device is best suited for feature phone
products that comply with versatile dialer specification
requirements of different areas or countries.


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