Touch Panel Sampling Control Register (Tplscr); Position A/D Register (Xpar) - Renesas SH7727 General Information Manual

R0P7727TH003TRKE General Information Manual

6.4.3 Touch panel Sampling Control Register (TPLSCR)

The touch panel sampling control register sets a sampling interval for the touch panel.
Address: 0x0022 Initial value: 0x01
D7 D6
160mse
140msec
c
R/W R/W
A sampling interval for the touch panel can be set within a range from 20msec to 160msec (unit: 20msec).
When a bit is set to "1," the corresponding sampling interval from 20msec to 160msec is set. Note that only
the following values can be specified.
• Correspondence between the setting values and sampling intervals
0x01: 20msec
0x02: 40msec
0x04: 60msec
0x08: 80msec
0x10: 100msec
0x20: 120msec
0x40: 140msec
0x80: 160msec
6.4.4 X Position A/D Register (XPAR)
Address: 0x0024 Initial value: 0x000
D15 D14
0 0
R R
D7 D6
XA_D7 XA_D6
R R
The X position A/D register indicates the A/D conversion result of a pen-touched X position on the touch panel.
D5 D4
120msec 100msec
R/W R/W
D13 D12
0 0 XA_D11
R R
D5 D4
XA_D5 XA_D4 XA_D3
R R
D3 D2
80msec 60msec
R/W R/W
D11 D10 D9
XA_D10 XA_D9
R R
D3 D2 D1
XA_D2 XA_D1
R R
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Power Supply Controller
D1 D0
40msec 20msec
R/W R/W
D8
XA_D8
R R
D0
XA_D0
R R