sx8675iwltrt Semtech Corporation, sx8675iwltrt Datasheet - Page 50

• Manufacturer Part Number: sx8675iwltrt
• Description: Haptics Enabled Multitouch 4/5-wire Resistive Touchscreen Controller With Proximity Sensing
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
Bits
Bits
Bits
Bits
Rev 1 – 25
7:4
3:0
7:6
5:3
2:0
7
6
5
4
3
2
1
0
7
Variable
Reserved
SETDLY
Variable
Reserved
RMSELY
RMSELX
Variable
XCONV
YCONV
Z1CONV
Z2CONV
Reserved
RXCONV
RYCONV
Reserved
Variable
HAPTMODE
th
July 2011
Default
Default
Default
Default
0000
0000
000
000
00
1
1
0
0
0
0
0
0
0
Table 17 : RegChanMsk (Addr 0x04)
Table 15 : RegTouch2 (Addr 0x02)
Table 16 : RegTouch3 (Addr 0x03)
Description
Defines the bias settling time for each channel’s subsequent conversion
(i.e. when filtering is enabled):
0000 : 0.5 us
0001 : 1.1 us
0010 : 2.2 us
0011 : 4.4 us
0100 : 8.9 us
0101 : 17.8 us
0110 : 35.5 us
0111 : 71.0 us
1000 : 142 us
1001 : 284 us
1010 : 768 us
1011 : 1.14 ms
1100 : 2.27 ms
1101 : 4.75 ms
1110 : 9.09 ms
1111 : 18.19 ms
Values above assume typical FOSCH, else vary accordingly.
Description
Cf. § 4.5
Cf. § 4.5
Description
Enables X channel conversion:
0 : OFF
1 : ON
Enables Y channel conversion:
0 : OFF
1 : ON
Enables Z1 channel conversion:
0 : OFF
1 : ON
Enables Z2 channel conversion:
0 : OFF
1 : ON
Enables RX channel conversion:
0 : OFF
1 : ON
Enables RY channel conversion:
0 : OFF
1 : ON
Description
Defines the haptics mode/input:
0 : PWM
1 : I2C
Resistive Touchscreen Controller with Proximity Sensing
50
SX8674/SX8675/SX8676
Haptics Enabled Multitouch 4/5-Wire
www.semtech.com