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TK-78K0/KF2+Voice User’s Manual 3.3.8 U2(7seg LED) 7seg LED of U2 can be turned on with P50-P57. Set the port mode to "Output" and output a "Low" signal. U2 P50 P55 P51 P56 P54 P52 P57 P53 By writing the value shown below table in register P5, you can display number 0-9. Examples for displaying numbers and the setting values 0xC0 5 0x92 0 1 2 3 4 0xF9 0xA4 0xB0 0x99 6 7 8 9 3.3.9 LED1 (POWER) This is the POWER LED. It is lighted when it gets power supply. - 59 - 0x83 0xf8 0x80 0x98