External Resistor Split－1/4 Bias Method (8 Time-Sharing); Solder-Short Pads; Table 10: Switch Settings External Resistor Split Mode 1/4 Bias - NEC 78K0R/L 3 Sense it! Series User Manual

78K0R/Lx3 – Sense it!
2.8.4 External Resistor Split－1/4 Bias Method (8 Time-Sharing)
Set the switches as shown below. It is connected with 100KΩ of resistance (diagram below).

2.9 Solder-Short Pads

With using the solder-short pad to cut/connect the circuit, users can customize the circuit. The solder-short
pad looks like the picture below. To open, use cutter to cut the dent part. To short, put solder on the pad.
Solder-short pad
Solder-Short
Pad Name
P20～P27
P32
P33
P110
_______________________________________________________________________________________________
SW7
SW6
SW8

Table 10: Switch settings External Resistor Split mode 1/4 BIAS

(Open)
Default
Short Short
Open
Short Short
Open
Short Short
Open
Short Short
User's Manual
All ON
Other Mode
1/4 bias Mode
Solder-short pad
Connection
Connect port2 to analog circuit
Use port2 for other purpose
Connect port32 to the driver of buzzer
Use port32 for other purpose
Connect port33 to the driver of LED1
Use port33 for other purpose
Connect port110 to analog circuit
U20191EE1V0UM00
(Short)
20