S1C63158

S1C63158 4-bit Single Chip Microcomputer ● ● ● ● ● Original Architecture Core CPU Low Current Consumption Wide-range Operating Voltage (0.9V to 3.6V) High Speed Operation in Low Voltage A/D Converter „ DESCRIPTION The S1C63158 is a microcomputer which has a high-performance 4-bit CPU S1C63000 as the core CPU, ROM (8,192 words × 13 bits), RAM (512 words × 4 bits), serial interface, watchdog timer, programmable timer, time base counter (1 system), SVD circuit, a 4-channel A/D converter and a special input port that can implement key position discrimination function using with the A/D converter. The S1C63158 features low voltage/high speed (4 MHz Max.) operation and low current consumption (2 μA Typ. in HALT mode), this makes it suitable for battery driven portable equipment such as a head phone stereo. „ 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 Time base counter Programmable timer Watchdog timer A/D converter Buzzer output Supply voltage detection (SVD) circuit External interrupt Internal interrupt 32.768 kHz (Typ.) Crystal oscillation circuit or CR oscillation circuit (∗ 1) 2 MHz (Typ.) CR or Ceramic oscillation circuit (∗ 1) Basic instruction: 46 types (411 instructions with all) Addressing mode: 8 types During operation at 32.768 kHz: Min. 61 μsec During operation at 4 MHz: Min. 0.5 μsec Code ROM: 8,192 words × 13 bits Data memory: 512 wor...