stmpe610 STMicroelectronics, stmpe610 Datasheet - Page 6

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

Pin configuration and functions
2.1
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Pin functions
The STMPE610 is designed to provide maximum features and flexibility in a very small pin-
count package. Most of the pins are multi-functional. The following table shows how to
select the pin’s function.
Table 3.
Table 4.
Pin / control
Pin / control
register
register
IN2
IN3
X+
Y+
X-
Y-
IN2, IN3 pin configuration
X, Y pin configuration
ADC control 1 bit
TSC control 1 bit
1 = don’t care
0 = don’t care
GPIO_AF = 1
GPIO_AF = 1
GPIO-2
GPIO-3
GPIO-4
GPIO-5
GPIO-6
GPIO-7
ADC control 1 bit
TSC control 1 bit
1 = 0
0 = 0
ADC
ADC
ADC
ADC
ADC
ADC
GPIO_AF = 0
GPIO_AF = 0
External reference +
External reference -
ADC control 1 bit
TSC control 1 bit
TSC X+
TSC Y+
TSC X-
TSC Y-
1 = 1
0 = 1
STMPE610