JAJSFE6I July 2009 – May 2018 TPS65070 , TPS65072 , TPS65073 , TPS650731 , TPS650732
UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.
TSCMODE | B7 | B6 | B5 | B4 | B3 | B2 | B1 | BO |
---|---|---|---|---|---|---|---|---|
Bit name and function | TSC_M2 | TSC_M1 | TSC_M0 | |||||
Default | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
Set by signal | ||||||||
Default value loaded by: | UVLO | UVLO | UVLO | |||||
Read/write | R | R | R | R | R | R/W | R/W | R/W |
Bit 3..0 | MODE SELECT BITS FOR THE TOUCH SCREEN INTERFACE |
Note: | Data conversions using the touch screen interface require setting the touch screen mode with register TSCMODE and selecting the analog input channel for the ADC according to the following table. |
Measurement of x-position:
TSC_M2 | TSC_M1 | TSC_M0 | TSX1 (AD_IN1) | TSX2 (AD_IN2) | TSY1(AD_IN3) | TSY2(AD_IN4) | MODE | MEASUREMENT |
---|---|---|---|---|---|---|---|---|
0 | 0 | 0 | TSREF | GND | A/D | HiZ | X-Position | Voltage TSY1 |
0 | 0 | 1 | A/D | HiZ | TSREF | GND | Y-Position | Voltage TSX1 |
0 | 1 | 0 | TSREF | TSREF | GND | GND | Pressure | Current TSX1 and TSX2 |
0 | 1 | 1 | TSREF | GND | HiZ | HiZ | Plate X | Current TSX1 |
1 | 0 | 0 | HiZ | HiZ | TSREF | GND | Plate Y | Current TSY1 |
1 | 0 | 1 | V2 | V2 | GND | GND | TSC standby | Voltage TSX1 and TSX2 |
1 | 1 | 0 | A/D | A/D | A/D | A/D | A/D | Voltage measurement with ADC |
1 | 1 | 1 | open | open | open | open | TSC and ADC disabled (no interrupt generation) |