Table of Contents
Advertisement
(3) Transition flow for manual scan coordinate detection
Disable state
<1> PIUCNTREG
↓
Standby state
<2> PIUCNTREG
<3> PIUCNTREG
↓
DataScan state
(4) Transition flow when entering Suspend mode transition
Standby, WaitPenTouch, or Interval state
<1> PIUCNTREG
↓
Standby state
<2> PIUCNTREG
↓
Disable state
(5) Transition flow when returning from Suspend mode
Disable state
<1> PIUCNTREG
↓
Standby state
<2> PIUCNTREG
<3> PIUCNTREG
↓
WaitPenTouch state
Touch detected
↓
DataScan state
(6) Transition flow for command scan
Disable state
<1> PIUCNTREG
↓
Standby state
<2> PIUCNTREG
<3> PIUCNTREG
<4> PIUCNTREG
↓
CMDScan state
296
CHAPTER 14 TOUCH PANEL INTERFACE UNIT (PIU)
PIUPWR = 1
PIUMODE(1:0) = 00
PADSCANSTART = 1
PIUSEQEN = 1
PIUSEQEN = 0
PIUPWR = 1
PIUPWR = 1
PIUMODE(1:0) = 00
PADATSTART = 1
PADATSTOP = 1
PIUSEQEN = 1
PIUPWR = 1
PIUMODE(1:0) = 01
Setting of touch panel pins, selection of input port
PIUSEQEN = 1
User's Manual U14272EJ3V0UM
Advertisement
Table of Contents
