Production Data
WM8945
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
Pen down status (indicates if the Pen Down was
detected prior to the TP measurement)
R57 (39h)
Touch Data
X
15
TCH_PD1
0
0 = Pen Down not detected
1 = Pen Down detected
Touch panel X-axis data
11:0
TCH_X[11:0] 0000_0000
_0000
Register 39h Touch Data X
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
REFER TO
REFER TO
Pen down status (indicates if the Pen Down was
detected prior to the TP measurement)
R58 (3Ah)
Touch Data
Y
15
TCH_PD2
0
0 = Pen Down not detected
1 = Pen Down detected
Touch panel Y-axis data
11:0
TCH_Y[11:0] 0000_0000
_0000
Register 3Ah Touch Data Y
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
Pen down status (indicates if the Pen Down was
detected prior to the TP measurement)
R59 (3Bh)
Touch Data
Z
15
TCH_PD3
0
0 = Pen Down not detected
1 = Pen Down detected
Touch panel Z-axis data
11:0
TCH_Z[11:0] 0000_0000
_0000
Register 3Bh Touch Data Z
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
AUXADC Data Source
00 = No measurement
01 = AUX1
R60 (3Ch)
AuxADC
Data
13:12 AUX_DATA_S
RC[1:0]
00
10 = AUX2
11 = SPKVDD
AUXADC data
11:0
AUX_DATA
[11:0]
0000_0000
_0000
(12 bit unsigned data)
Register 3Ch AuxADC Data
PD, May 2011, Rev 4.1
141
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
