参数资料
| 型号： | XR21V1414IM48-F |
| 厂商： | Exar Corporation |
| 文件页数： | 33/34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
8
4-CH FULL-SPEED USB UART
REV. 1.3.0
NOTE: Pin type: I=Input, O=Output, I/O= Input/output, OD=Output Open Drain.
Miscellaneous Signals
LOWPOWER
2
O
Low power status output. The LOWPOWER pin will be asserted whenever
it is not safe to draw the amount of current from VBUS power requested in
the Device Max Power field of the Configuration Descriptor. The LOW-
POWER pin will behave differently for a low power device and a high power
device.
Low-power device (<= 1 unit load or 100 mA i.e. bMaxPower <= 0x32):
LOWPOWER pin is asserted when the USB UART is in
suspend mode.
High-power deivce (bMaxPower > 0x32): LOWPOWER pin is
asserted when the USB UART is in suspend mode or when it is not yet
configured.
The LOWPOWER pin will be de-asserted whenever it is safe to draw the
amount of current requested in the Device Maximum Power field.
This pin is sampled momentarily at power-up or at any USB bus reset to
configure the polarity of the LOWPOWER output during suspend mode. An
external (10K) pull-up resistor will cause the LOWPOWER pin to be
asserted HIGH during suspend mode. An external (3.3K) pull-down resistor
will cause the LOWPOWER pin to be asserted LOW during suspend mode.
Power / Ground Signals
VCC
5, 18, 33,
44, 45
Pwr
+3.3V power supply.
GND
1, 4, 19,
32, 40, 41
Pwr
Power supply common, ground.
Pin Description
NAME
48-QFN
PIN #
TYPE
DESCRIPTION
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XR21V1414IM48-F | 制造商:Exar Corporation 功能描述:IC QUAD UART 12MBPS 3.63V 48-TQFP |
| XR21V1414IM48TR-F | 制造商:Exar Corporation 功能描述:USB-to-UART 4-CH 128Byte FIFO 48-Pin TQFP T/R 制造商:Exar Corporation 功能描述:XR21V1414 Series 12 Mbps 3.63 V Quad Channel USB UART SMT - TQFP-48 制造商:Exar Corporation 功能描述:XR21V1414IM48TR-F 制造商:EXAR 功能描述:USB-to-UART 4-CH 128Byte FIFO 48-Pin TQFP T/R |
| XR21V1414M48-F | 制造商:Exar Corporation 功能描述:UART 4-CH FULL SPEED USB I/F 48TQFP 制造商:Exar Corporation 功能描述:UART, 4-CH FULL SPEED, USB I/F, 48TQFP, No. of Channels:4, Data Rate:12Mbps, Sup |
| XR-2200CP | 制造商:未知厂家 制造商全称:未知厂家 功能描述:PERIPHERAL DRIVER|5 DRIVER|DIP|14PIN|PLASTIC |
| XR-2201CP | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Septuple Peripheral Driver |
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