LC573202A Datasheet | SANYO

Ordering number : ENN- 6726 CMOS IC 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 32.768k Hz 32.768k Hz 32.768k Hz 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 mon 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 octaves Time of musical note : specified by program - Buzzer output - Possible to use general output by mask option. (7) Base timer - 15-bit base timer for timekeeping (8) HALT release - Five vectors 1. 15-bit base timer (500ms overflow output) 2. 15-bit base timer (output every 32ms) 3. S-port 4. M-port 5. 1/10 second pulse (9) Stand-by mode - HALT mode The program operation will be stopped in this mode. This mode is released by system reset and 5 vectors for HALT release above-mentioned....