Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
908
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
42.8.21 ADC Touchscreen Pressure Register
Name:
ADC_PRESSR
Address:
0xF804C0BC
Access:
Read-only
• Z1: Data of Z1 Measurement
Data Z1 necessary to calculate pen pressure.
When pen detection is enabled (PENDET set to ‘1’ in ADC_TSMR register), Z1 is tied to 0 while there is no detection of contact
on the touchscreen (i.e. when PENS bitfield is cleared in ADC_ISR register).
on the touchscreen (i.e. when PENS bitfield is cleared in ADC_ISR register).
• Z2: Data of Z2 Measurement
Data Z2 necessary to calculate pen pressure.
When pen detection is enabled (PENDET set to ‘1’ in ADC_TSMR register), Z2 is tied to 0 while there is no detection of contact
on the touchscreen (i.e. when PENS bitfield is cleared in ADC_ISR register).
on the touchscreen (i.e. when PENS bitfield is cleared in ADC_ISR register).
Note:
These two values are unavailable if TSMODE is not set to 2 in ADC_TSMR register.
31
30
29
28
27
26
25
24
–
–
–
–
Z2
23
22
21
20
19
18
17
16
Z2
15
14
13
12
11
10
9
8
–
–
–
–
Z1
7
6
5
4
3
2
1
0
Z1