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CS5519CJI3FN-G1 Datasheet(PDF) 4 Page - BCD Semiconductor Manufacturing Limited |
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CS5519CJI3FN-G1 Datasheet(HTML) 4 Page - BCD Semiconductor Manufacturing Limited |
4 / 17 page Data Sheet Enhanced Multi-touch Capacitive Touch Screen Controller CS5519 Apr. 2013 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 4 Pin Description Pin Number Pin Name Pin Type Pin Function QFN-7×7 -56 QFN-8×8 -68 1 1 P1.7/ TXD1/ PINT0.1/ EXTCLKIN/ T0 I/O Port 1.7 GPIO 8051 P1.7 GPIO TXD1 This pin also can be configured as TXD of UART 1 PINT0.1 This pin also can be configured as the expanded INT0 interrupt External Clock Input External clock input source. T0 Timer 0 Input This pin also can be configured as Timer 0 input 2 2 TESTEN I Test Mode Enable High Active This pin has an internal weakly pull low resistor connected. If it is connected high, the chip enters into Test Mode condition 3 3 P1.2/SDA (open- drain) I/O Port 1.2 GPIO 8051 P1.2 GPIO SDA This pin also can be configured as the SDA signal of the I2C master or I2C slave controller. In this operation mode, this pin should also be configured as bi-directional I/O with open-drain output 4 4 P1.3/SCL (open- drain) I/O Port 1.3 GPIO 8051 P1.3 GPIO SCL This pin also can be configured as the SCL signal of the I 2C master or I2C slave controller. In I2C master mode, this pin should be configured as open-drain output. In I 2C slave, this pin should be configured as input only 5 5 RSTN I Reset Low Active Typically connect a resistor to VDD18 and a capacitor to VSS Low asserted and threshold at 0.5×VDD18. When forced low, the chip enters into reset condition This pin should not be connected to any level above VDD18 |
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