Description
The phone MCU is a 8-bit high performance, RISC architecture microcontroller devices specially designed for telephone applications.
Features
- Operating voltage:.
- Serial Interfaces Module: SIM for SPI or I2C.
- Internal DTMF generator.
- Internal DTMF receiver.
- 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: 16K´16.
- 2112´8 Data Memory.
- 42 bidirectional I/Os with pull-high options.
- 2 NMOS output-only lines.
- External interrupt input.
- Three 16-.