LC5739 Overview
ENN 6704 CMOS IC LC5739 4-Bit Microcontroller with LCD Driver Preliminary Overview The LC5739 is a CMOS 4-bit microcontroller that operates on low voltage and very low power consumption. It also contains 4K-byte ROM, 128-byte RAM, LCD drivers and melody function.
LC5739 Key Features
- 1.65V 2.60
- 3.60V 2.60
- 3.60V Power source Ag Battery Li Battery External voltage supply
- Input ports
- Input / Output ports
- Output ports
- LCD segment output ports : 32 terminals (Possible to use output port by mask option)
- LCD mon output ports : 4 terminals
- Built-in Step-up / Step-down circuit (6) Melody/Buzzer
- Melody function