stmpe610 STMicroelectronics, stmpe610 Datasheet - Page 40

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

Touch screen controller
TSC_I_DRIVE
Address:
Type:
Reset:
Description:
TSC_SHIELD
Address:
Type:
Reset:
Description:
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7
7
[7:1] RESERVED
[7:4] RESERVED
[3:0] SHIELD[3:0]:
[0] DRIVE: maximum current on the touch screen controller (TSC) driving channel
6
6
RESERVED
0x58
R/W
0x00
This register sets the current limit value of the touch screen drivers
0: 20 mA typical, 35 mA max
1: 50 mA typical, 80 mA max
0x59
R
0x00
Writing each bit would ground the corresponding touch screen wire
Write 1 to GND X+, X-, Y+, Y- lines
5
5
4
4
Touch screen controller drive I
Touch screen controller shield
RESERVED
X+
3
3
X-
2
2
Y+
1
1
STMPE610
DRIVE
Y-
0
0