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AT25DF641A-SH Datasheet(PDF) 10 Page - ATMEL Corporation |
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AT25DF641A-SH Datasheet(HTML) 10 Page - ATMEL Corporation |
10 / 15 page 10 AVR32924 32156A-AVR-01/11 Table 6-1. UC3 touch connections. Touch sensor onboard reference QTouch method pin name QMatrix method pin name CAT module pin name UC3 pin Selection bit in PINMODEx register QSlider X0 X7 CSB6 PA15 SP6 QSlider X1 X10 CSA10 PA19 SP10 QSlider X2 X11 CSB10 PA22 SP10 QSlider X3 X13 CSB12 PB08 SP12 QSlider YK0 YK3 CSB7 PA05 SP7 - Y3 CSA7 PA04 SP7 QButton SNSK0 SNSK15 CSB15 PB09 SP15 - SNS15 CSA15 PB12 SP15 NOTE As the device has a very low pin count, a tradeoff has been made to be able to have as many I/O lines as possible routed to the headers. The sensor lines to the Atmel QTouch button and the Atmel QMatrix slider are shared with some of the headers. The sensitivity of the sensor lines is very high on these exposed pins, and so touching the I/O pins will give erroneous result in the touch sensing mechanism. NOTE Adding top modules to the board with functionality connected to these pins is not recommended. Top modules without functionality on these pins will only add some capacitive load and will not affect the QMatrix sensor significantly. 6.5 Board controller The board controller and the Atmel AT32UC3L064 are connected together through TWI and UART. Both interfaces can be used to communicate between the devices, but only the UART is implemented by default in the board controller. Table 6-2. AT32UC3L064 and board controller communication interface. Interface Atmel AT32UC3L064 pin Atmel AT32UC3B1256 pin UART RX (1) PA07 PA24 UART TX (1) PA06 PA23 TWI SCL PB05 PA09 TWI SDA PA21 PA10 Note: 1. These represent the RX and TX on the device. The RX on one device is connected to TX on the other device, and visa versa. |
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