UPD17718 Description
PRELIMINARY DATA SHEET MOS INTEGRATED CIRCUIT µ PD17717, 17718, 17719 4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM The µ PD17717, 17718, and 17719 are 4-bit single-chip CMOS microcontrollers containing hardware for digital tuning systems. Provided with a wealth of hardware, these microcontrollers are available in many variations of ROM and RAM capacities to support various...
UPD17718 Key Features
- Program memory (ROM)
- Abundant peripheral hardware units General-purpose I/O ports, serial interfaces, A/D converter, D/A converter (PWM outpu
- Many interrupts External: 6 sources Internal : 6 sources
- Power-ON reset, CE reset, and power failure detection circuit
- Supply voltage: V DD = 5 V ± 10 %
- General-purpose data memory (RAM)
- Instruction execution time 1.78 µ s (with f X = 4.5-MHz crystal oscillator)
- PLL frequency synthesizer Dual modulus prescaler (130 MHz MAX.), programmable divider, phase parator, charge pump
- I/O port : 46 pins
- Input port : 12 pins