S1C63653

S1C63653 CMOS 4-bit Single Chip Microcontroller ● ● ● ● ● High Performance 4-bit Core CPU S1C63000 LCD Driver (32 SEG × 6 COM) R/f Converter to Measure Temperature and Humidity Low Current Consumption Low Voltage Operation ■ DESCRIPTIONS The S1C63653 is a microcomputer which has a high-performance 4-bit CPU S1C63000 as the core CPU, ROM (4,096 words × 13 bits), RAM (512 words × 4 bits), watchdog timer, programmable timer, time base counter, an LCD driver that can drive a maximum 32 segments × 6 commons, sound generator and R/f converter built-in. The S1C63653 features low current consumption, this makes it suitable for battery driven portable equipment with R/f converter. ■ FEATURES ● Core CPU.................................................... 4-bit CMOS core CPU S1C63000 ● OSC1 oscillation circuit ............................ 32.768 kHz (Typ.) crystal oscillation circuit ● OSC3 oscillation circuit ............................ 4 MHz (Max.) ceramic (2 MHz Max. when OSC3 is used as the R/f converter operating clock) or 1.1 MHz (Typ.) CR oscillation circuit ( ∗1) ● Instruction set ........................................... Basic instruction: 46 types (411 instructions with all) Addressing mode: 8 types ● Instruction execution time........................ During operation at 32.768 kHz: 61 μsec During operation at 4 MHz: 0.5 μsec ● ROM capacity ............................................ Code ROM: Data ROM: 4,096 words × 13 bits 1,024 words × 4 bits 122 μsec 1.0 μsec 183...