XPT2046 Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

Fabricante

XPT2046

Touch Screen Controller

Unspecified 

XPT2046 Touch Screen Controller

Pin Description

QFN PIN # TSSOP PIN#

NAME

VFBGA PIN #

DESCRIPTION

1

13

Busy Output. This output is high

A5

BUSY

impedance when CS is high.

2

14

Serial Data Input. If CS is low, data is

A4

DIN

latched on the rising edge of DCLK.

3

15

Chip Select Input. Controls conversion

A3

——

CS

timing and enables the serial input/output

4

16

External Clock Input. This clock runs the

A2

DCLK SAR conversion process and synchronizes

5

1

B1和C1

VCC

Power Supply

6

2

D1

XP

XP Position Input

7

3

E1

YP

YP Position Input

8

4

G2

XN

XN Position Input

9

5

G3

YN

YN Position Input

10

6

G4和G5

GND

Ground

11

7

G6

VBAT

Battery Monitor Input

12

8

E7

AUX

Auxiliary Input to ADC

13

9

Voltage Reference Input/Output

D7

VREF

14

10

C7

IOVDD

Digital I/O Power Supply

15

11

PENIRQ

B7

Pen Interrupt

16

12

Serial Data Output. Data is shifted on the

A6

DOUT falling edge of DCLK. This output is high

Table 3. Pin Description

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