参数资料
| 型号： | XR21V1414IM48-F |
| 厂商： | Exar Corporation |
| 文件页数： | 30/34页 |
| 文件大小： | 0K |
| 描述： | IC UART FIFO USB QUAD 48TQFP |
| 产品培训模块： | UART Product Overview XR21V141x Full-Speed USB UART Family |
| 特色产品： | XR21V141x Full-Speed USB UART |
| 标准包装： | 250 |
| 特点： | * |
| 通道数： | 1，UART |
| FIFO's： | 128 字节 |
| 规程： | USB 2.0 |
| 电源电压： | 3.3V |
| 带自动流量控制功能： | 是 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-TQFP |
| 供应商设备封装： | 48-TQFP（7x7） |
| 包装： | 托盘 |
| 配用： | 1016-1303-ND - EVAL BOARD FOR XR21V1414IM |
| 其它名称： | 1016-1304 |
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XR21V1414
5
REV. 1.3.0
4-CH FULL-SPEED USB UART
TXB
8
O
UART Channel B Transmit Data or IR Transmit Data.
GPIOB0/RIB#/
RWKB#
15
I/O
UART Channel B general purpose I/O or UART Ring-Indicator input
(active low) or Remote Wakeup Input (
See ”Section 1.5.12, USB Sus-
pend” on page 14.). 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 power consumption in the sus-
pend mode.
GPIOB1/CDB#
14
I/O
UART Channel B general purpose I/O or UART Carrier-Detect input
(active low). This pin has an internal pull-up resistor which is disabled dur-
ing suspend mode. If using this GPIO as an input, an external pull-up
resistor is required to minimize the power consumption in the suspend
mode.
GPIOB2/DSRB#
13
I/O
UART Channel B general purpose I/O or UART Data-Set-Ready input
(active low).
See ”Section 1.5.6, Automatic DTR/DSR Hardware
Flow Control” on page 13. 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 power consumption in
the suspend mode.
GPIOB3/DTRB#
12
I/O
UART Channel B general purpose I/O or UART Data-Terminal-Ready out-
put (active low).
See ”Section 1.5.6, Automatic DTR/DSR Hard-
ware Flow Control” on page 13. 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 power con-
sumption in the suspend mode.
GPIOB4/CTSB#
11
I/O
UART Channel B general purpose I/O or UART Clear-to-Send input
(active low).
See ”Section 1.5.5, Automatic RTS/CTS Hardware
Flow Control” on page 13. 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 power consumption in
the suspend mode.
GPIOB5/RTSB#/
RS485B
10
I/O
UART Channel B 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 Hardware Flow Control” on page 13. 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 power consumption in the suspend mode.
UART Channel C Signals
RXC
23
I
UART Channel C Receive Data or IR Receive Data. This pin has an inter-
nal pull-up resistor. Internal pull-up resistor is not disabled during suspend
mode.
TXC
22
O
UART Channel C Transmit Data or IR Transmit Data.
GPIOC0/RIC#/
RWKC#
29
I/O
UART Channel C general purpose I/O or UART Ring-Indicator input
(active low) or Remote Wakeup Input (
See ”Section 1.5.12, USB Sus-
pend” on page 14.). 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 power consumption in the sus-
pend mode.
Pin Description
NAME
48-QFN
PIN #
TYPE
DESCRIPTION
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| XR21V1414IM48-F | 制造商:Exar Corporation 功能描述:IC QUAD UART 12MBPS 3.63V 48-TQFP |
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