S1C63632

S1C63632 4-bit Single Chip Microcomputer ● ● ● Original Architecture Core CPU Low Current Consumption High Speed Operation in Low Voltage „ DESCRIPTION The S1C63632 is a microcomputer which has a 4-bit CPU S1C63000 as the core CPU, ROM (31,744 words × 13 bits), RAM (8,192 words × 4 bits), multiply-divide circuit, serial interface, watchdog timer, programmable timer, time base counters (2 systems), a dot matrix LCD driver that can drive a maximum 1,536dots of LCD panel, and an R/f converter that can measure temperature and humidity using sensors such as a thermistor. The S1C63632 features low current consumption, this makes it suitable for battery driven clocks and watches with temperature and humidity measurement functions. „ FEATURES 32.768 kHz (Typ.) crystal oscillation circuit 4.2 MHz (Max.) ceramic or 1.8 MHz (Typ.) CR oscillation circuit (*1) Basic instruction: 47 types (411 instructions with all) Addressing mode: 8 types Instruction execution time 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 ROM capacity Code ROM: 31,744 words × 13 bits Data ROM: 4,096 words × 4 bits RAM capacity Data memory: 8,192 words × 4 bits Display memory: 2,048 bits I/O port 24 bits (pull-down resistors may be incorporated *1 Shared with 4 serial I/F I/O pins, 4 R/f converter I/O pins, and 6 special output pins *2) Serial interface 1 port (8-bit clock synchronous system) LCD driver 48 segments × 32 commons, 56 segments × 24 common...