FS9721_LP3

Rev. 2.1

3/39

Contents

1.

INTRODUCTION ........................................................................................................................................4

2.

FEATURES.................................................................................................................................................4

3.

MEASURABLE MODES.............................................................................................................................4

4.

APPLICATION FIELD.................................................................................................................................5

5.

BLOCK DIAGRAM .....................................................................................................................................5

6.

PIN DIAGRAM............................................................................................................................................6

7.

PIN DESCRIPTION ....................................................................................................................................6

8.

DICE PAD LAYOUT & PAD COORDINATE ...............................................................................................9

9.

TECHNICAL SPECIFICATION（

（

（

（VDD=3V，

，

，

，TA=25℃

℃

℃

℃

）

）

）

） .......................................................................... 10

10. MEASUREMENT MODE SELECT ........................................................................................................... 11

11. KEYS DEFINITION................................................................................................................................... 13

12. OTHER FUNCTIONS ............................................................................................................................... 14

13. RS232 TRANSMISSION PROTOCOL ..................................................................................................... 14

14. LCD DISPLAY -- FS9721_LP3(C2=LCDC2, C1=LCDC1) ....................................................................... 15

15. APPLICATION DESCRIPTION ................................................................................................................ 16

15.1

Common Use Circuitry ............................................................................................................... 16

16. PACKAGE OUTLINE................................................................................................................................ 33

17. DEMO BOARD ......................................................................................................................................... 34

18. ORDERING INFORMATION..................................................................................................................... 38

19. REVISION HISTORY ................................................................................................................................ 39