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S1C63466 TECHNICAL MANUAL EPSON 1

CHAPTER 1: OUTLINE

CHAPTER 1OUTLINE

The S1C63466 is a microcomputer which has a high-performance 4-bit CPU S1C63000 as the core

CPU, ROM (16,384 words × 13 bits), RAM (1,792 words × 4 bits), serial interface, watchdog timer, pro-

grammable timer, time base counters (2 systems), SVD circuit, a dot-matrix LCD driver that can drive a

maximum 60 segments × 17 commons and sound generator built-in. The S1C63466 features high speed

operation and low current consumption in a wide operating voltage range (2.2 V to 6.4 V), this makes it

suitable for applications working with batteries. It is also suitable for LCD game because it has a large

capacity of ROM built-in.

1.1 Features

OSC1 oscillation circuit ...................... 32.768 kHz (Typ.) crystal or 60 kHz (Typ.) CR oscillation circuit (∗1)

OSC3 oscillation circuit ...................... 1.8 MHz (Typ.) CR or 4 MHz (Max.) ceramic 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 122 µsec 183 µsec

During operation at 60 kHz: 33 µsec 67 µsec 100 µsec

During operation at 4 MHz: 0.5 µsec 1 µsec 1.5 µsec

ROM capacity ..................................... Code ROM: 16,384 words × 13 bits

Data ROM: 2,048 words × 4 bits (= 8K bits)

RAM capacity...................................... Data memory: 1,792 words × 4 bits

Display memory: 1,020 bits (240 words × 4 bits + 60 × 1 bit)

Input port............................................. 8 bits (Pull-up resistors may be supplemented ∗1)

Output port .......................................... 12 bits (It is possible to switch the 2 bits to special output ∗2)

I/O port ................................................ 12 bits (It is possible to switch the 2 bits to special output and

the 4 bits to serial I/F input/output ∗2)

Serial interface .................................... 1 port (8-bit clock synchronous system)

LCD driver........................................... 60 segments × 8, 16 or 17 commons (∗2)

Time base counter .............................. 2 systems (Clock timer, stopwatch timer)

Programmable timer ........................... Built-in, 2 inputs × 8 bits, with event counter function

Watchdog timer................................... Built-in

Sound generator ................................. With envelope and 1-shot output functions

Supply voltage detection (SVD) circuit ..

16 values, programmable (1.85 V to 3.30 V)

(It is possible to switch 1 value to the external voltage detection ∗1)

External interrupt ................................ Input port interrupt: 2 systems

Internal interrupt ................................. Clock timer interrupt: 4 systems

Stopwatch timer interrupt: 2 systems

Programmable timer interrupt: 2 systems

Serial interface interrupt: 1 system

Power supply voltage ......................... 2.2 V to 6.4 V

(Min. 1.8 V when the OSC3 oscillation circuit is not used)

Operating temperature range ............. -20°C to 70°C

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 143 144

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