UPD17P719 Description
DATA SHEET MOS INTEGRATED CIRCUIT µPD17P719 4-BIT SINGLE-CHIP MICROCONTROLLER WITH BUILT-IN HARDWARE DEDICATED TO DIGITAL TUNING SYSTEMS The µPD17P719 is produced by replacing the built-in masked ROM of the µPD17717, µPD17718, and µPD17719 with a one-time PROM. The µPD17P719 allows programs to be written once, so that the µPD17P719 is suitable for preproduction in µPD17717, µPD17718, or µPD17719 system development...
UPD17P719 Key Features
- I/O ports : 46
- Input ports : 12
- Output ports : 4
- Address stack : 15 levels
- Interrupt stack : 4 levels
- DBF stack : 4 levels (operated by software)
- External : 6 (CE rising edge and INT0 to INT4)
- Selectable for 3-wire serial I/O method, SBI method, 2-wire serial I/O method, or I2C bus methodNote
- Selectable for 3-wire serial I/O method or UART method
- Direct frequency division system (VCOL pin (MF mode) : 0.5 to 3 MHz)