stmpe610 STMicroelectronics, stmpe610 Datasheet - Page 33

• Manufacturer Part Number: stmpe610
• Description: Advanced Touch Screen Controller With 6-bit Port Expander
• Manufacturer: STMicroelectronics

STMPE610
TSC_CFG
Address:
Type:
Description:
1. For large panels (> 6”), a capacitor of 10 nF is recommended at the touch screen terminals for noise filtering.
WDW_TR_X
Address:
Type:
Reset:
Description:
AVE_CTRL_1 AVE_CTRL_0
In this case, settling time of 1 ms or more is recommended.
7
7
[11:0] TR_X: bit 11:0 of top right X coordinates
[7:6] AVE_CTRL_1/0: Average control
[5:3] TOUCH_DET_DELAY_2/1/0: Touch detect delay
[2:0] SETTLING: Panel driver settling time
6
0x41
R/W
Touch screen controller configuration register.
00=1 sample
01=2 samples
10=4 samples
11=8 samples
000 - 10 µs
001 - 50 µs
010 = 100 µs
011 = 500 µs
100 = 1 ms
101 = 5 ms
110 = 10 ms
111 = 50 ms
000 = 10 µs
001 = 100 µs
010 = 500 µs
011 =1 ms
100 = 5 ms
101 = 10 ms
110 = 50 ms
111 =100 ms
0x42
R/W
0x0FFF
Window setup for top right X coordinates
TOUCH_DET
_DELAY_2
5
TOUCH_DET
_DELAY_1
4
Touch screen controller configuration register
Window setup for top right X
TOUCH_DET
_DELAY_0
6
TR_X [11:0]
3
(1)
5
SETTLING_2
4
2
3
SETTLING_1
2
Touch screen controller
1
1
SETTLING_0
0
0
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