AR1000_16 Datasheet, PDF (22/61 Pages) Microchip Technology – AR1000 Series Resistive Touch Screen Controller

AR1000 SERIES RESISTIVE TOUCH SCREEN CONTROLLER
6.0 UART COMMUNICATIONS
TABLE 6-1: UART HARDWARE INTERFACE
AR1011 Pin
Description
M1
Connect M1 to VDD to select UART communications
TX
Transmit to host
RX
Receive from host
SDO
Connect SDO to VSS
UART communication is fixed at 9600 baud rate, 8N1
format.
Sleep mode will cause the TX line to drop low, which
may appear as a 0x00 byte sent from the controller.
DS40001393C-page 22
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