REV. 1.4.0 1-CH FULL-SPEED USB UART PIN DESCRIPTIONS NAME 16-QFN P<" />
參數(shù)資料
型號(hào)： XR21V1410IL16-F
廠商： Exar Corporation
文件頁(yè)數(shù)： 23/30頁(yè)
文件大小： 0K
描述： IC UART FIFO USB SGL 16QFN
產(chǎn)品培訓(xùn)模塊： UART Product Overview
XR21V141x Full-Speed USB UART Family
產(chǎn)品變化通告： XR21V1410IL16-F Packing Change 26/Jan/2011
特色產(chǎn)品： XR21V141x Full-Speed USB UART
標(biāo)準(zhǔn)包裝： 490
特點(diǎn)： *
通道數(shù)： 1，UART
FIFO's： 128 字節(jié)，384 字節(jié)
規(guī)程： USB 2.0
電源電壓： 2.97 V ~ 3.63 V
帶自動(dòng)流量控制功能： 是
安裝類(lèi)型： 表面貼裝
封裝/外殼： 16-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 16-QFN-EP（3x3）
包裝： 散裝
配用： 1016-1299-ND - EVAL BOARD FOR XR21V1410IL
其它名稱： 1016-1300
XR21V1410
3
REV. 1.4.0
1-CH FULL-SPEED USB UART
PIN DESCRIPTIONS
NAME
16-QFN
PIN #
TYPE
DESCRIPTION
UART Signals
RX
10
I
UART Channel A Receive Data or IR Receive Data. This pin has an internal
pull-up resistor. Internal pull-up resistor is not disabled during suspend mode.
TX
9
O
UART Channel A Transmit Data or IR Transmit Data.
GPIO0/RI#/RWK#
8
I/O
General purpose I/O or UART Ring-Indicator input (active low) or Remote
Wakeup input. See
“Section 1.5.13, Remote Wakeup” on page 11.
This pin has an internal pull-up resistor which is disabled during suspend
mode. If using this GPIO as an input, an external pull-up resistor is required to
minimize the device power consumption in the suspend mode.
GPIO1/CD#
7
I/O
General purpose I/O or UART Carrier-Detect input (active low). This pin has an
internal pull-up resistor which is disabled during suspend mode. If using this
GPIO as an input, an external pull-up resistor is required to minimize the
device power consumption in the suspend mode.
GPIO2/DSR#
6
I/O
General purpose I/O or UART Data-Set-Ready input (active low).
See ”Sec-
tion 1.5.6, Automatic DTR/DSR Hardware Flow Control” on
page 9.
This pin has an internal pull-up resistor which is disabled during suspend
mode. If using this GPIO as an input, an external pull-up resistor is required to
minimize the device power consumption in the suspend mode.
GPIO3/DTR#
5
I/O
General purpose I/O or UART Data-Terminal-Ready output (active low).
See
”Section 1.5.6, Automatic DTR/DSR Hardware Flow Control” on
page 9.
This pin has an internal pull-up resistor which is disabled during suspend
mode. If using this GPIO as an input, an external pull-up resistor is required to
minimize the device power consumption in the suspend mode.
GPIO4/CTS#
4
I/O
General purpose I/O or UART Clear-to-Send input (active low).
See ”Sec-
tion 1.5.5, Automatic RTS/CTS Hardware Flow Control” on page 9.
This pin has an internal pull-up resistor which is disabled during suspend
mode. If using this GPIO as an input, an external pull-up resistor is required to
minimize the device power consumption in the suspend mode.
GPIO5/RTS#/RS485
3
I/O
General purpose I/O or UART Request-to-Send output (active low) or auto RS-
485 half-duplex control. See
“Section 1.5.5, Automatic RTS/CTS Hard-
ware Flow Control” on page 9 or “Section 1.5.8, Auto RS-485 Half-
Duplex Control” on page 10. This pin has an internal pull-up resistor
which is disabled during suspend mode. If using this GPIO as an input, an
external pull-up resistor is required to minimize the device power consumption
in the suspend mode.
USB Interface Signals
USBD+
15
I/O
USB port differential data plus. This pin has a 1.5 K Ohm internal pull-up.
USBD-
14
I/O
USB port differential data minus.
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