SN8F2250B Series
USB 2.0 Full-Speed 8-Bit Micro-Controller
2.1.2 CODE OPTION TABLE
Code Option
Content
6MHz
12MHz
16MHz
Function Description
6MHz crystal /resonator for external oscillator.
12MHz crystal /resonator for external oscillator.
16MHz crystal /resonator for external 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.
Instruction cycle is 12 MHz clock.
Instruction cycle is 6 MHz clock.
Instruction cycle is 3 MHz clock.
Enable External reset pin.
Enable P0.4 input only, with pull-up resistor function.
Enable ROM code Security function.
Disable ROM code Security function.
Enable ROM code Lock Address (0x2000~0x27FF) Security function.
Disable ROM code Lock Address (0x2000~0x27FF) Security function.
Ext_OSC
Always_On
Enable
Watch_Dog
Fcpu
Disable
Fhosc/1
Fhosc/2
Fhosc/4
Reset
Reset_Pin
Security0
Security1
P04
Enable
Disable
Enable
Disable
Note: Fcpu code option is only available for High Clock. Fcpu of slow mode is Flosc/4.
SONiX TECHNOLOGY CO., LTD
Page 22
Version 1.1
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