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PixArt Imaging Inc.

PCT1339 Product Datasheet

Multi-Touch Capacitive Touch Controller

PixArt Imaging Inc. http://www.pixart.com

All rights reserved. Any portion in this paper shall not be reproduced, copied, or transformed to any other forms without permission.

Version 1.0 |11 Apr 2016

Register Map

There are three register banks related to host access in PCT1339, and the register banks are switched through register 0x7F:



Reg0x7F=0: bank0, associate with handshaking register.



Reg0x7F=5: bank5, to report touch data in little endian format



Reg0x7F=6: bank6, to access PCT1339 register.

Register in Bank6

Table 2. Bank6 register table

Add [hex]

Register Name

R/W

Save to Flash?

0x51

R_USER_ADDR

R/W

Yes

0x52

R_USER_DATA

R/W

Yes

0x53

R_STATUS

R/W

No

0x54

BOOT_STAT

R

No

0x7A

Shutdown

R/W

No

Indirect Register

The registers in Table 7 are accessed through indirect registers reg0x51 and reg0x52. All the register in Table 3. Indirect

Register could be programmed to flash except read only registers.

Note: When the register is over one byte, please program low byte first then high byte. After high byte programmed, the

new setting is enabled.

Table 3. Indirect Register

Add (Hex)

Name

BW

R/W

Default Value(*1)

Take effect only after Flash?

0x00

PRODUCT_ID

[7:0]

R

0x8B

-

0x01

HW_REV_ID

[7:0]

R

0x02

-

0x02

FW_MAJOR_REV_ID

[7:0]

R

0X03

-

0x03

FW_MINOR_REV_ID

[7:0]

R

0x06

-

0x07

INT_CTL

[7:0]

R/W

0x00

No

0x0a

ORIENTATION

[7:0]

R/W

0x00

No

0x0b

ROW

[7:0]

R/W

0x10

No

0x0c

COLUMN

[7:0]

R/W

0x17

No

0x0d

REPORT_POINTS

[7:0]

R/W

0x05

No

0x10

MAX_HEIGHT[15:8]

[7:0]

R/W

0x03

No

0x11

MAX_HEIGHT[7:0]

[7:0]

R/W

0x00

No

0x12

MAX_WIDTH[15:8]

[7:0]

R/W

0x05

No

0x13

MAX_WIDTH[7:0]

[7:0]

R/W

0xD0

No