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HT95C30P Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT95C30P Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 50 page  HT95C200/20P/300/30P 8-Bit CID Type Phone Controller MCU Rev. 0.10 1 October 1, 2002 Features · Provide MASK type and OTP type version · Operating voltage range: - FSK: 3.0V~5.5V - Others: 2.4V~5.5V · Program ROM: 8K´16 bits · Data RAM: - HT95C300/30P: 2112´8 bits - HT95C200/20P: 1152´8 bits · Up to 28 bidirectional I/O lines · 16-bit table read instructions · Eight-level subroutine nesting · Timer: - Two 16-bit programmable Timer/Event Counter - Real time clock (RTC) - Watchdog Timer (WDT) · Programmable frequency divider (PFD) · 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 · Built-in 3.58MHz DTMF Generator · Built-in FSK decoder: - Supports Bell 202 and V.23 - Supports ring and line reversal detection · LCD driver: - HT95C300/30P: 48 seg.´16 com. - HT95C200/20P: 24 seg.´16 com. - Support 16 or 8 common driver pins - HT95C300/30P: 12 segments can per nibble op- tion to bidirectional I/O lines - HT95C200/20P: 8 commons can per byte option to bidirectional I/O lines - LCD contrast can be adjusted by software or exter- nal resistor - Support two LCD frame frequency 64Hz, 128Hz · Built-in Low Battery detector · All instructions in one or two machine cycles · Built-in dialer I/O · 128-pin QFP package Applications · Deluxe Feature Phone · Caller ID Phone · Cordless Phone · Fax and answering machines · Other communication system Preliminary General Description The HT95C200/20P/300/30P are 8-bit high perfor- mance RISC-like microcontrollers with built-in DTMF generator, FSK decoder and dialer I/O which provide MCU dialer implementation or system control features for telecom product application. The phone controller has a built-in program ROM, data RAM, LCD driver and a maximum of 28 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 suitable for feature phone products that comply with versatile dialer specification require- ments of different areas or countries. |
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Similar Description - HT95C30P |
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