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