TOPWAY

LCD Module User Manual

LM2088SFW-2C

URL:

www.topwaydisplay.com

www.topwaysz.com

Document Name: LM2088SFW-2C-Manual-Rev0.1

Page: 8 of 13

4.5

Touch screen controller timing diagram

Item

Symbol

MIN.

TYP.

MAX.

Unit

Acquisition time(*1)

1.5

-

-

us

/CS Falling to First DCLK Rising

10

-

-

ns

/CS Falling to BUSY Enabled(*2)

-

-

60

ns

/CS Falling to DOUT Enabled

-

-

60

ns

DCLK high pulse width

200

-

-

ns

DCLK low pulse width

200

-

-

ns

DCLK Falling to BUSY Rising(*2)

-

-

60

ns

Data setup prior to DCLK Rising

10

-

-

ns

Data Hold to DCLK hold time

10

-

-

ns

Data access time after DCLK falling

-

-

200

ns

/CS Rising to DOUT Disabled

0

-

-

ns

/CS Rising to BUSY high impedance(*2)

-

-

200

ns

/CS Rising to DOUT high impedance

-

-

200

ns

NOTE:

*1 See Serial Data Sequence Diagram

*2 The BUSY signal is not connected to Terminal (K1),after one control byte send via DIN, some

delay is needed to read the conversation result through DOUT

*3 Please see the AD7843 datasheet for details

Timing diagram