GENERAL DESCRIPTION

The SN8P1702A/SN8P1703A is a series of 8-bit micro-controller. This chip is utilized with CMOS technology fabrication and featured with low power consumption and high performance by its unique electronic structure.

SN8P1702A/SN8P1703A FEATURES

♦ Memory configuration

OTP ROM size: 1K * 16 bits.

RAM size: 128 * 8 bits.

♦ I/O pin configuration

Input only: P0

Bi-directional: P1, P4, P5

Wakeup: P0, P1

Pull-up resisters: P0, P1, P4, P5

External interrupt: P0

P4 pins shared with ADC inputs.

♦ Two 8-bit timer counters. (TC0, TC1).

♦ On chip watchdog timer.

♦ Eight levels stack buffer.

♦ 59 powerful instructions

Four clocks per instruction cycle

All of instructions are one word length.

Most of instructions are one cycle only.

All ROM area lookup table function (MOVC)

♦ Three interrupt sources

Two internal interrupts: TC0, TC1

One external interrupts: INT0.

♦ An 4-channel 12-bit ADC

♦ Two channel high speed PWM output.

♦ Two channel Buzzer output. (BZ0/BZ1)

♦ 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 internal low clock active

Slow mode: Internal low clock only

Green mode: Periodical wake-up by timer

Sleep mode: Both high and internal low clock stop

♦ Package (Chip form support)

SN8P1702A -- PDIP 18 / SOP 18 / SSOP20

SN8P1703A-- PDIP 20 / SOP 20 / SSOP20