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HT95A100/10P Datasheet

  • HT95A100/10P

  • I/O Type Phone 8-Bit MCU

  • 48頁

  • HOLTEK

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HT95AXXX
I/O Type Phone 8-Bit MCU
Features
路
Provide MASK type and OTP type version
路
Operating voltage range: 2.4V~5.5V
路
Program ROM
-
HT95A400/40P: 16K麓16 bits
-
HT95A300/30P: 8K麓16 bits
-
HT95A200/20P: 4K麓16 bits
-
HT95A100/10P: 4K麓16 bits
路
Data RAM
-
HT95A400/40P: 2880麓8 bits
-
HT95A300/30P: 2112麓8 bits
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HT95A200/20P: 1152麓8 bits
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HT95A100/10P: 384麓8 bits
路
Bidirectional I/O lines
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HT95A400/40P: 44
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HT95A300/30P: 28
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HT95A200/20P: 28
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HT95A100/10P: 20
路
Timer
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Two 16-bit programmable Timer/Event Counter
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Real time clock (RTC)
-
Watchdog Timer (WDT)
路
Programmable frequency divider (PFD)
Supported for HT95A400/40P, HT95A300/30P,
HT95A200/20P
路
Dual system clock: 32768Hz, 3.58MHz
路
Four operating modes: Idle mode, Sleep mode,
Green mode and Normal mode
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Up to 1.117ms instruction cycle with 3.58MHz system
clock
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All instructions in one or two machine cycles
路
Built-in 3.58MHz DTMF Generator
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Built-in dialer I/O
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HT95A400/40P: 64-pin QFP package
I/O lines
I/O lines
I/O lines
I/O lines
路
16-bit table read instructions
路
Subroutine nesting
-
HT95A400/40P: 12 levels
-
HT95A300/30P: 8 levels
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HT95A200/20P: 8 levels
-
HT95A100/10P: 4 levels
HT95A300/40P: 48-pin SSOP package
HT95A200/20P: 48-pin SSOP package
HT95A100/10P: 28-pin SOP package
Applications
路
Cordless Phone
路
Fax and answering machines
路
Other communication system
General Description
The HT95AXXX 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 and I/O lines for high end products design. In
addition, for power management purpose, 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 operation. 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 provided for
additional fancy features in product developments. The
device is best suited for phone products that comply
with versatile dialer specification requirements of differ-
ent areas or countries.
Rev. 1.20
1
May 26, 2004

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