Table Of Contents - NEC 78K0R/L 3 Sense it! Series User Manual

Table of Contents

78K0R/Lx3 - Sense it!

Introduction ............................................................................................................................ 11

1.1

Package contents................................................................................................................................. 11

1.2

Features ................................................................................................................................................ 11

1.3

System requirements........................................................................................................................... 11

1.4

Trademarks ........................................................................................................................................... 12

78K0R/Lx3 - Sense It! Components..................................................................................... 13

2.1

Operation mode settings..................................................................................................................... 13

2.2

Switch settings..................................................................................................................................... 13

2.2.1

SW1..................................................................................................................................................... 14

2.2.2

SW2..................................................................................................................................................... 14

2.2.3

SW3..................................................................................................................................................... 14

2.2.4

SW4 (Cursor) ...................................................................................................................................... 14

2.2.5

SW5..................................................................................................................................................... 14

2.3

Jumper settings ................................................................................................................................... 15

2.3.1

JP1 ...................................................................................................................................................... 15

2.3.2

JP2 ...................................................................................................................................................... 15

2.3.3

JP3 ...................................................................................................................................................... 15

2.3.4

JP4 ...................................................................................................................................................... 15

2.3.5

JP5 ...................................................................................................................................................... 15

2.3.6

JP6 ...................................................................................................................................................... 15

2.4

Connector ............................................................................................................................................. 15

2.4.1

FP1...................................................................................................................................................... 15

2.5

Clock...................................................................................................................................................... 15

2.5.1

Y1 ........................................................................................................................................................ 15

2.5.2

Y2 ........................................................................................................................................................ 15

2.6

Other Functions ................................................................................................................................... 16

2.6.1

VR1 ..................................................................................................................................................... 16

2.6.2

J1......................................................................................................................................................... 16

2.6.3

J2, J3................................................................................................................................................... 16

2.6.4

J4......................................................................................................................................................... 16

2.6.5

J5......................................................................................................................................................... 16

2.6.6

LED1 ................................................................................................................................................... 16

2.6.7

LED2 ................................................................................................................................................... 16

2.6.8

BUZ1 ................................................................................................................................................... 16

2.6.9

Universal area ..................................................................................................................................... 16

2.7

LCD Panel ............................................................................................................................................. 16

2.8

LCD Drive Voltage ................................................................................................................................ 18

2.8.1

Booster Type, Capacitor Split ............................................................................................................. 18

2.8.2

External Resistor Split－1/2 Bias Method (2 / 3 Time-Sharing).......................................................... 18

2.8.3

External Resistor Split－1/3 Bias Method (3, 4 Time-Sharing)........................................................... 19

2.8.4

External Resistor Split－1/4 Bias Method (8 Time-Sharing)............................................................... 20

2.9

Solder-Short Pads................................................................................................................................ 20

2.10

External Power Supply ...................................................................................................................... 21

78K0R/Lx3 - Sense It! system configuration ...................................................................... 22

3.1

78K0R/Lx3 - Sense it!.......................................................................................................................... 22

3.2

Host computer ...................................................................................................................................... 22

3.3

Power supply via USB interface ......................................................................................................... 22

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U20191EE1V0UM00

User's Manual