Datasheet

TK-850/JG3H User’s Manual
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3.3.6 U3（7seg LED）
7seg LED of U3 can be lit with P90-P97.
Please set the port mode to the output and output “Low” signal from the port.
U3
P90
P91
P92
P93
P94
P95
P96
P97
The figure of 0-9 can be displayed by writing the following values in P9 register.
Example of displayed figure and set data.
０
0xC0 ５ 0x92
１ 0xF9 ６ 0x83
２ 0xA4 ７ 0xf8
３ 0xB0 ８ 0x80
４ 0x99 ９ 0x98
3.3.7 JP1
JP1,JP2 are the jumper switch pin to select power supply.
3.3.8 JP3
JP3 is jumper pin for LED1 connection setting.
JP3
JP2 JP1
1-2 short It is supplied power from USB1 connector.
1-2 short
2-3 short It is supplied power from USB2 connector.
2-3 short - It is supplied power from AC adapter.
Short LED1 turn on at power supply.
Open LED1 doesn’t turn on.