LC573202A

Ordering number : ENN*6726 CMOS IC LC573202A 4-Bit Microcontroller with 2K-Byte ROM, 64 × 4Bits RAM and LCD Driver Preliminary Overview The LC573202A is a CMOS 4-bit microcontroller that operates on low voltage and very low power consumption. It also contains 2K-byte ROM, 64 × 4 bits RAM, LCD drivers and melody function. Features (1) Read-Only Memory (ROM) - 2048 × 8 bits (2) Random Access Memory (RAM) - 64 × 4 bits (3) Cycle Time Cycle time 122µs 122µs 122µs Oscillation source Crystal oscillation RC oscillation Crystal oscillation Crystal oscillation RC oscillation Oscillation Frequency 32.768kHz 32.768kHz 32.768kHz Power supply voltage 1.30 - 1.65V 2.60 - 3.60V 2.00 - 6.00V Power source Ag Battery Li Battery External voltage supply (4) Input/Output ports - Input ports : 6 ports (S-port : 4 terminals, M-port : 2 terminals) - Output ports : 1 port (Buzzer output/General output port : mask option changeover) - LCD segment output ports : 25 terminals (Possible to use output port (SEG13 to SEG25) : by mask option) - LCD common output ports : 4 terminals Ver.1.02 22698 91400 RM (IM) HO No.6726-1/18 LC573202A (5) LCD driver Drivable LCD panel 1/2bias 1/4duty 1/2bias 1/3duty 1/2bias 1/2duty STATIC Number of drivable LCD segment output 100 segments 75 segments 50 segments 25 segments (Possible to use output port by mask option.) - Built-in Step-up/Step-down circuit (6) Melody/Buzzer (When buzzer output is selected on output port by mask option.) - Melody function Octave : 3 ...