SN8A1702AX datasheet(16/112 Pages) SONIX

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Preliminary

SN8P1702A/SN8P1703A

8-bit micro-controller build-in 12-bit ADC

SONiX TECHNOLOGY CO., LTD

Page 16

Revision 0.5

2 CODE OPTION TABLE

Code Option

Content

Function Description

Low cost RC for external high clock oscillator

32K X’tal

Low frequency, power saving crystal (e.g. 32.768K) for external high

clock oscillator

12M X’tal

High speed crystal /resonator (e.g. 12M) for external high clock oscillator

High_Clk

4M X’tal

Standard crystal /resonator (e.g. 3.58M) for external high clock oscillator

Enable

External high clock divided by two, Fosc = high clock / 2

High_Clk / 2

Disable

Fosc = high clock

Enable

Enable Oscillator Safe Guard function

OSG

Disable

Disable Oscillator Safe Guard function

Enable

Enable Watch Dog function

Watch_Dog

Disable

Disable Watch Dog function

Enable

Enable ROM code Security function

Security

Disable

Disable ROM code Security function

8-bit

TC0 as 8-bit counter.

6-bit

TC0 as 6-bit counter.

5-bit

TC0 as 5-bit counter.

TC0_Counter

4-bit

TC0 as 4-bit counter.

8-bit

TC1 as 8-bit counter.

6-bit

TC1 as 6-bit counter.

5-bit

TC1 as 5-bit counter.

TC1_Counter

4-bit

TC1 as 4-bit counter.

Enable

Enable Noise Filter function to enhance EMI performance

Noise Filter

Disable

Disable Noise Filter function

Enable

Enable Low Power function to save Operating current

Low Power

Disable

Disable Low Power function

Always ON

Force Watch Dog Timer clock source come from INT 16K RC.

Also INT 16K RC never stop both in power down and green mode that

means Watch Dog Timer will always enable both in power down and

green mode.

INT_16K_RC

By_CPUM

Enable or Disable internal 16K(at 3V) RC clock by CPUM register

Table 2-1. Code Option Table of SN8P1702A/SN8P1703A

Notice:

In high noisy environment, enable “Noise Filter”, “OSG” and disable “Low Power” is strongly

recommended.

The side effect is to increase the lowest valid working voltage level if enable “Noise Filter” or

“OSG” or “Low Power” code option.

Enable “Low Power” option will reduce operating current except in 32K X’tal or slow mode.

If users select “32K X’tal” in “High_Clk” option, assembler will force “OSG” to be enabled.

If users select “RC” in “High_Clk” option, assembler will force “High_Clk / 2” to be enabled.

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