Datasheet
TK-850/JG3H User’s Manual 
- 55 - 
P03 <--> output pin of 48MHz oscillator. 
P03  Short 
Open when the output pin of 48MHz oscillator isn’t 
used for. 
P98 <-->SW3 
P98  Short 
Open when using it for other usages 
P99 <-->SW4 
P99  Short 
Open when using it for other usages 
P41<--> USB D+ pull-up signal enable pin. 
P41  Short 
Open when you don't use USB D+ pull-up enable 
signal with the P41 pin. 
P42<--> USB D+ pull-up signal pin. 
P42  Short 
Open when you don't use USB D+ pull-up signal. 
4Pin U2 <--> T_RESET signal. 
T_RESET  Short 
Open when the Reset IC isn’t used for. 










