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GENERAL DESCRIPTION

The SN8P1602B is an 8-bit micro-controller utilized CMOS technology and featured with low power consumption and high performance by its unique electronic structure.

SN8P1602B is designed with the excellent IC structure including the program memory up to 1K-word OTP ROM, data memory of 48-bytes RAM, one 8-bit timer (TC0), a watchdog timer, two interrupt sources (TC0, INT0), and 4-level stack buffers. Besides, user can choose desired oscillator configuration for the controller. There are four external oscillator configurations to select for generating system clock, including High/Low speed crystal, ceramic resonator or cost-saving RC. SN8P1602B also includes an internal RC oscillator for slow mode controlled by programming.

FEATURES

? Memory configuration

OTP ROM size: 1K * 16-bit.

RAM size: 48 * 8-bit.

? I/O pin configuration

Input only: P0

Bi-directional: P1, P2,

Wakeup: P0, P1

Pull-up resistors: P0, P1, P2

External interrupt: P0

? On chip watchdog timer.

? One 8-bit timer counters.

? 57 powerful instructions

Four clocks per instruction cycle

All of instructions are one word length.

Most of instructions are one cycle only.

Maximum instruction cycle is two.

All ROM area JMP instruction.

All ROM area lookup table function (MOVC)

? Two interrupt sources

One internal interrupt: TC0.

One external interrupt: INT0.

? Four levels stack buffer.

? Dual clock system offers four operating modes

External high clock: RC type up to 10 MHz

External high clock: Crystal type up to 16 MHz

Internal low clock: RC type 16KHz(3V), 32KHz(5V)

Normal mode: Both high and low clock active

Slow mode: Low clock only

Sleep mode: Both high and low clock stop

Green mode: Periodical wakeup by timer.

? Package

P-DIP18, SOP18, SSOP20.