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. This chip is designed with the excellent IC structure including the large program memory OTP ROM, the massive data memory RAM, two 8-bit timer counters (TC0, TC1), a watchdog timer, three interrupt sources (TC0, TC1, INT0), an 4-channel ADC converter with 8-bit/12-bit resolution, two channels high speed PWM output (PWM0, PWM1), two channels buzzer output (BZ0, BZ1) and 8-level stack buffers.
Besides, the user can choose desired oscillator configurations for the controller. There are four oscillator configurations to select for generating system clock, including High/Low Speed crystal, ceramic resonator or cost-saving RC. This series also includes an internal RC oscillator for slow mode controlled by programming.

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