Datasheet Details
| Part number | HT95R55 |
|---|---|
| Manufacturer | Holtek Semiconductor |
| File Size | 645.35 KB |
| Description | CID Phone 8-Bit MCU |
| Datasheet |
 HT95R55 Datasheet
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General Description
The series of CID phone MCU are 8-bit high performance, RISC architecture microcontroller devices specially designed for telephone applications.
Key Features
- Operating voltage:.
- Internal DTMF generator.
- Internal DTMF receiver.
- Internal FSK decoder - Support Bell 202 and V.23 - Support ring and line reverse detection.
- 12-bit Audio DAC output.
- Power-down and wake-up feature for power-saving fSYS=3.58MHz: 2.2V~5.5V fSYS=7.16MHz: 3.0V~5.5V fSYS=10.74MHz: 3.0V~5.5V fSYS=14.32MHz: 4.5V~5.5V.
- Program Memory: 8K´16 (HT95R54) 16K´16 (HT95R55).
- 2112´8 Data Memory.
- 38 bidirectional I/Os with pull-high options.