Diodes AUR3852 Manuel d'utilisateur télécharger pdf (Page 8)

Data Sheet

Enhanced Multi-touch Capacitive Touch Screen Controller AUR3852

Feb. 2013 Rev. 1. 0 BCD Semiconductor Manufacturing Limited

Pin Description (Continued)

Pin Number

Name

Type

Pin Function

QFN-6×6-

QFN-7×7-

28 33 P0.0 I/O

Port 0.0 GPIO

8051 P0.0 GPIO

PINT1.0

This pin can also

e configured as the expanded INT1

interrup

DR1

Right driving line 1

29 34

XCP_

VSS

Power

Ground Voltage. 0V

Boost Ground

30 35 XCP Power

Supply Voltage. 1.6V to 2.0V

1.8V boost in

31 36 VDD Power

Supply Voltage. 2.8V to 3.6V

A good decoupling capacitor between VDD and VSS pins

is critical for

ood performance

32 37

VDD1

Power

Internal Regulator Output. 1.6V to 2.0V

Typical decoupling capacitors of 0.1

F and 10

F should

e connected between VDD18 and VSS

33 38

VDDE

CPU Power Supply Enable

Supply voltage enable for 8051 CPU

34 39

XCP_E

1.8V to 3.3V Boost Converter Enable

3.3V Boost Supply voltage enable for 1.8V power input

35 40 S1 I/O, A

Sensing line 1

36, 37, 38,

39, 40, 41,

42, 43, 44,

45, 46, 47,

48, -

41,42 43,

44, 45, 46,

47, 48, 49,

50, 51, 52,

53, 54

S2, S3,

S4, S5,

S6, S7,

S8, S9,

S10,

S11,

S12,

S13,

S14,

S15

I, A

S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14,

S15

Sensing line 2 to 15

- 13 P3.2 I/O

Port 3.2 GPIO

8051 P3.2 GPIO

DL12

Left driving line 12

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 16 17

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Diodes AUR3852 Manuel d'utilisateur Page 8

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