LC72321 Description
EN4796A CMOS LSI LC72321 Single-Chip Microcontroller with PLL and LCD Driver Preliminaly Overview The LC72321 is a single-chip microcontroller for use in electronic tuning applications. It includes on chip both LCD drivers and a PLL circuit that can operate at up to 150 MHz.
LC72321 Key Features
- Voltage detection type reset circuit
- One 6-bit A/D converter
- Two 8-bit D/A converters (PWM)
- One external interrupt (The LC72321 provides an external interrupt, and internal interrupt and a serial I/O interrupt, o
- Hold mode for RAM backup
- Sense FF for hot/cold startup determination
- PLL: 4.5 to 5.5 V
- CPU: 3.5 to 5.5 V
- RAM: 1.3 to 5.5 V
- Each port consists of four bits Program runaway can be detected and a special address set. (Programmable watchdog timer)