American Audio UCD-200 - REV 8-10 Specifications download pdf (Page 58)

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SLAS495A− JUNE 2006 − REVISED OCTOBER 2007

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BIT NAME

RESET

VALUE

READ/

WRITE

FUNCTION

D15 NTSPDELE

0 R/W Programmable delay for non−touch screen auto measurement mode

0 => Programmable delay is disabled for non−touch screen auto measurement mode.

1 => Programmable delay is enabled for non−touch screen auto measurement mode.

D14−D12 NTSPDINTV 010 R/W Programming delay in−between conversion for non−touch screen auto measurement

mode

000 => 1.12 min

001 => 3.36 min

010 => 5.59 min

011 => 7.83 min

100 => 10.01 min

101 => 12.30 min

110 => 14.54 min

111 => 16.78 min

Note: These delays are from end of one set of conversion to the start of another set of

conversion.

D11 TSPDELEN 0 R/W Programmable delay for touch screen measurement

0 => Programmable delay mode is disabled for touch screen measurement.

1 => Programmable delay mode is enabled for touch screen measurement.

Note: This mode is valid only for touch screen related conversion in self−controlled mode

and in host−controlled mode valid for only continuous scan for X & Y coordinates or for

X, Y, Z1 & Z2 coordinates.

D10−D8 TSPDINTV 010 R/W Programming delay in−between conversion for touch screen measurement

000 => 1 ms

001 => 3 ms

010 => 5 ms

011 => 6.5 ms

100 => 8.5 ms

101 => 10 ms

110 => 12.5 ms

111 => 15 ms

Note: These delays are from end of one set of conversion to the start of another set of

conversion.

D7 CLKSEL 0 R/W Clock selection for the touch screen controller

0 => Internal oscillator clock is selected.

1 => External MCLK is selected.

Note: External clock is used only to control the delay programmed in between the

conversion.

D6−D0 CLKDIV 0000001 R/W Clock Division used to divide MCLK for getting 1 MHz clock for programmable delay, i.e.

MCLK/CLKDIV = 1 MHz,

0000000 => 128,

0000001 => 1,

0000010 => 2,

……

1111110 => 126,

1111111 => 127

BIT NAME

RESET

VALUE

READ/

WRITE

FUNCTION

D15−D8 RESV FFh R/W Reserved. Write only FFh to these bits.

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 99 100

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American Audio UCD-200 - REV 8-10 Specifications Page 58

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