Datasheet

TK-850/JG3H User’s Manual
- 54 -
3.4 solder-short pad label
When using a circumference board connector (CN1,2) without using a circuit on board, in order to
separate a circuit on board, the terminal of CPU can be customized by making the pad for solder
short opening.
Pad for solder-short has shape like the figure below.
When you make an open circuit, cut the narrow part of the Pad with a knife.
To make short circuit, join the separated Pad with a soldering iron etc.
Solder-short pad Solder-short pad
（opened shape） Shorted shape
Solder-short
pad name
State when
shipping it
Connection
7SegLED
P90～P97 Short
Open when using it for other usages
FLMD0 to P37 on CPU
FLMD0 Open
Short When built-in flash memory is rewritten by self
VDD-EVDD
EVDD Short
Open when EVDD is driven by other voltages.
VDD-AVREF0
AVREF0 Short
Open when AVREF0 is driven by other voltages.
VDD-AVREF1
AVREF1 Short
Open when AVREF1 is driven by other voltages.
VDD-UVDD
UVDD Short
Open when UVDD is driven by other voltages.
P30/TCDD0
RXD Short
Open when P30 isn't used for USB1 communication
interface.
SW1, 5-8bit
P78～P711 Short
Open when P78～P711 isn’t used for
general-purpose input SW
P02 <--> standby pin of 48MHz oscillator.
P02 Short
Open when the standby pin of 48MHz oscillator isn’t
used for.