AS3658F-BCTP datasheet(148/158 Pages) AMSCO

148 / 158 page

Table 184. Touchpannel Control Register Bits

Addr:113

Touchpad – control 2

This register controls the different modes of the Touchpad

Bit

Bit Name

Default

Access

Description

Table 185. Touchpannel Control Register Bits

Addr:114

Touchpad – control 3

This register controls the different modes of the Touchpad

Bit

Bit Name

Default

Access

Description

www.austriamicrosystems.com

Revision 1v13

147 - 157

AS3658

Data Sheet Confidential - Deta il ed Descri ption - System Functi ons

4:0

tpen_pu

00000

R/W

Internal Resistor used for Pen detection

00000

Do not use this Setting

00001

00010

...

00100

16k

...

01000

32k

...

10000

64k

Ω (most sensitive)

...

11111

~ 2k

tpen_currpress

R/W

Current used for pressure measurement

200µA

400µA

tpen_wait

R/W

Do not wait until tpen_xmsb is readout

Start next ADC – conversion after data is

read from Register tpen_xmsb

tpen_soc_pd

R/W

Start conversion only if tpen_st_pen is 1

and tpen_soc=1 and tpen_on=1

Measure regardless of pen Status (only if

tpen_soc=1 and tpen_on=1)

0:1

tpen_sample

R/W

Sample Time of ADC

3µs

110µs

250µs

200µs

tpen_debounce

R/W

Pen-down Debounce Time 100µs

Pen-down Debounce Time = 3ms

tpen_timeout _en

R/W

Enables Timeout Signal (ADC conversion is

stopped during tiemeout = 1)

0off

GPIO3_CURR3 can be configured as input

for the timeout signal – see block diagram

AS3658F-BCTP Datasheet(PDF) 148 Page - ams AG

AS3658F-BCTP Datasheet(HTML) 148 Page - ams AG

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL