S1C63666

S1C63666 4-bit Single Chip Microcomputer ● ● ● Original Architecture Core CPU Low Current Consumption High Speed Operation in Low Voltage „ DESCRIPTION The S1C63666 is a microcomputer which has a high-performance 4-bit CPU S1C63000 as the core CPU, ROM (16,384 words × 13 bits), RAM (5,120 words × 4 bits), multiply-divide circuit, serial interface, watchdog timer, programmable timer, time base counters (2 systems), an LCD driver that can drive a maximum 64 segments × 8 commons, sound generator and R/f converter built-in. The S1C63666 features low current consumption, this makes it suitable for battery driven portable equipment with R/f converter. „ FEATURES OSC1 oscillation circuit OSC3 oscillation circuit Instruction set Instruction execution time ROM capacity RAM capacity Input port Output port I/O port Serial interface LCD driver Time base counter Programmable timer Watchdog timer Sound generator R/f converter Multiply-divide circuit 32.768 kHz (Typ.) crystal oscillation circuit 4 MHz (Max.) ceramic or 1.1 MHz (Typ.) CR oscillation circuit (*1) Basic instruction: 46 types (411 instructions with all) Addressing mode: 8 types During operation at 32.768 kHz: 61 μsec 122 μsec 183 μsec During operation at 4 MHz: 0.5 μsec 1 μsec 1.5 μsec Code ROM: 16,384 words × 13 bits Data ROM: 4,096 words × 4 bits Data memory: 5,120 words × 4 bits Display memory: 160 words × 4 bits 8 bits (Pull-down resistors may be supplemented *1) 8 bits (It is possible to switch the 2 bits to special outp...