[AP4201]

015008157-E-00

- 2 -

2015/09

3.

Table of Contents

1.

General Description ....................................................................................................................................1

2.

Features .......................................................................................................................................................1

3.

Table of Contents ........................................................................................................................................2

4.

Block Diagram and Functions.....................................................................................................................3

■ Block Diagram.............................................................................................................................................3

■ Function.......................................................................................................................................................3

5.

Ordering Guide ...........................................................................................................................................4

6.

Pin Configurations and Functions...............................................................................................................4

■ Pin Layout ...................................................................................................................................................4

■ Function.......................................................................................................................................................5

7.

Absolute Maximum Rating .........................................................................................................................9

8.

Recommended Operating Conditions .........................................................................................................9

9.

Electrical Characteristics ..........................................................................................................................10

■ SCI Interface (AC timing) .........................................................................................................................11

■ Serial F/F Control (AC timing) .................................................................................................................12

10.

Functional Descriptions.........................................................................................................................13

10.1.

Operation Outline...........................................................................................................................13

10.2.

SCI Interface Command .................................................................................................................13

10.3.

Serial F/F Cascade Control ............................................................................................................19

10.4.

LED Current Setting (fixed current output) ...................................................................................20

10.5.

Input Voltage Range (VIN)............................................................................................................21

10.6.

POR Operation (Power on Reset) ..................................................................................................21

10.7.

Reset State ......................................................................................................................................22

10.8.

Protection Functions ......................................................................................................................23

11.

Recommended External Circuits ...........................................................................................................24

12.

Package..................................................................................................................................................25

■ Package......................................................................................................................................................25

■ Marking .....................................................................................................................................................25

13.

Revision History....................................................................................................................................26

IMPORTANT NOTICE ...................................................................................................................................27