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XR16M890IL32TR-F Datasheet(PDF) 7 Page - Exar Corporation |
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XR16M890IL32TR-F Datasheet(HTML) 7 Page - Exar Corporation |
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7 / 63 page  XR16M890 7 REV. 1.0.0 UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS INT 10 12 15 O Interrupt output (active high). The output state is defined by the user through the software setting of MCR[3]. INT is set to the active mode when MCR[3] is set to a logic 1. INT is set to the three state mode when MCR[3] is set to a logic 0. See MCR[3]. MODEM I/O and GPIOs TX 17 32 40 O UART Transmit Data or infrared encoder data. Standard transmit and receive interface is enabled when MCR[6] = 0. In this mode, the TX signal will be a logic 1 during reset or idle (no data). Infrared IrDA transmit and receive interface is enabled when MCR[6] = 1. In the Infrared mode, the inactive state (no data) for the Infrared encoder/decoder interface is a logic 0. If it is not used, leave it unconnected. RX 18 33 41 I UART Receive Data or infrared receive data. Normal receive data input must idle at logic 1 condition. The infrared receiver idles at logic 0. This input should be connected to VCC when not used. RTS# 19 31 39 O UART Request-to-Send (active low) or general purpose output. This output must be asserted prior to using Auto RTS HW flow control, see EFR[6], MCR[1] and IER[6]. This output can also be used for the Auto RS-485 half-duplex output control. CTS# 16 30 38 I UART Clear-to-Send (active low) or general purpose input. It can be used for auto CTS flow control, see EFR[7], MSR[4] and IER[7]. This input should be connected to VCC when not used. DTR#/GPIO0 24 29 37 I/O General purpose I/O or UART Data-Terminal-Ready (active low). DSR#/GPIO1 23 28 36 I/O General purpose I/O or UART Data-Set-Ready (active low). CD#/GPIO2 22 27 35 I/O General purpose I/O or UART Carrier-Detect (active low). RI#/GPIO3 21 26 34 I/O General purpose I/O or UART Ring-Indicator (active low). GPIO4 GPIO5 GPIO6 GPIO7 - - - - 23 22 21 20 28 27 26 25 I/O I/O I/O I/O General purpose I/Os. These GPIOs are only available on the QFN-40 and TQFP-48 pack- ages. GPIO8 GPIO9 GPIO10 GPIO11 GPIO12 GPIO13 GPIO14 GPIO15 - - - - - - - - - - - - - - - - 19 20 21 22 23 29 30 31 I/O I/O I/O I/O I/O I/O I/O I/O General purpose I/Os. These GPIOs are only available on the TQFP-48 package. ANCILLARY SIGNALS XTAL1 26 35 43 I Crystal or external clock input. Note: This input is not 5V tolerant. XTAL2 27 36 44 O Crystal or buffered clock output. Pin Description NAME QFN-32 PIN# QFN-40 PIN# TQFP-48 PIN# TYPE DESCRIPTION |
Similar Part No. - XR16M890IL32TR-F |
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Similar Description - XR16M890IL32TR-F |
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