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componentes Descripción

Fabricante

SN8P2602BP

8-Bit Micro-Controller

Sonix Technology Co., Ltd 

SN8P2602B

8-Bit Micro-Controller

2.1.2 CODE OPTION TABLE

Code Option

Noise_Filter

Fcpu

High_Clk

Watch_Dog

Reset_Pin

LVD

Security

Content

Enable

Disable

Fhosc/1

Fhosc/2

Fhosc/4

Fhosc/8

RC

32K X’tal

12M X’tal

4M X’tal

Always_On

Enable

Disable

Reset

P15

LVD_L

LVD_M

LVD_H

Enable

Disable

Function Description

Enable Noise Filter and the Fcpu is Fosc/4~Fosc/8.

Disable Noise Filter and the Fcpu is Fosc/1~Fosc/8.

Instruction cycle is oscillator clock.

Notice: In Fosc/1, Noise Filter must be disabled.

Instruction cycle is 2 oscillator clocks.

Notice: In Fosc/2, Noise Filter must be disabled.

Instruction cycle is 4 oscillator clocks.

Instruction cycle is 8 oscillator clocks.

Low cost RC for external high clock oscillator and XOUT becomes to P1.4

bit-direction I/O pin.

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

clock oscillator.

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

oscillator.

Standard crystal /resonator (e.g. 4M) for external high clock oscillator.

Watchdog timer is always on enable even in power down and green

mode.

Enable watchdog timer. Watchdog timer stops in power down mode and

green mode.

Disable Watchdog function.

Enable External reset pin.

Enable P1.5 input only without pull-up resister.

LVD will reset chip if VDD is below 2.0V

LVD will reset chip if VDD is below 2.0V

Enable LVD24 bit of PFLAG register for 2.4V low voltage indicator.

LVD will reset chip if VDD is below 2.4V

Enable LVD36 bit of PFLAG register for 3.6V low voltage indicator.

Enable ROM code Security function.

Disable ROM code Security function.

’ Note:

1. In high noisy environment, enable “Noise Filter” and set Watch_Dog as “Always_On”

is strongly recommended. Enable “Noise_Filter” will limit the Fcpu = Fosc/4 ~ Fosc/8.

2. If users define watchdog as “Always_On”, assembler will Enable “Watch_Dog”

automatically.

3. Fcpu code option is only available for High Clock. Fcpu of slow mode is Fosc/4 (the

Fosc is internal low clock).

SONiX TECHNOLOGY CO., LTD

Page 21

Preliminary Version 0.4

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