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参数资料
| 型号： | XR16M890IM48-0C-EB |
| 厂商： | Exar Corporation |
| 文件页数： | 8/63页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL XR16M890IM48 |
| 产品培训模块： | XR21V141x Full-Speed USB UART Family UARTs with Integrated Level Shifters |
| 标准包装： | 1 |
| 主要目的： | 接口，UART |
| 嵌入式： | 否 |
| 已用 IC / 零件： | XR16M890IM48 |
| 已供物品： | 板 |
| 其它名称： | 1016-1607 |
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XR16M890
UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
Pin Description
REV. 1.0.0
N AME
QFN-32
P IN #
QFN-40 TQFP-48
PIN# PIN#
T YPE
D ESCRIPTION
EN485#
30
13
16
I
Enable Auto RS-485 Half-Duplex Mode. This pin is sampled upon
power-up. If this pin is HIGH, then the RTS# output can be used for
Auto RTS Hardware Flow Control or as a general purpose output. If
this pin is LOW, then the RTS# output is the Auto RS-485 Half-
Duplex direction control pin.
In the QFN-32 package, this pin is the A1 pin when in the Intel/
Motorola mode.
ENIR#
29
38
46
I
Enable IR Mode. This pin is sampled upon power-up. If this pin is
HIGH, then the TX output and RX input will behave as the UART
transmit data output and UART receive data input. If this pin is
LOW, then the TX output and RX input will behave as the infrared
encoder data output and the infrared receive data input.
In the Intel/Motorola mode, this pin is the A2 pin for all packages.
SLEEP/
PWRDN#
32
11
14
I/O
Sleep / Power Down pin. This pin powers up as the SLEEP input.
The SLEEP input can force the UART to enter into the sleep mode
(16/68#)
after the next byte transmitted or received without meeting any of
This pin can also be configured as an output pin which can be used
to indicate to the CPU that the UART has entered the sleep mode.
This output can also be used to power down other devices.
In the QFN-32 package, this pin is the 16/68# input pin when the
VLIO mode is disabled.
VCC_CORE
25
34
42
Pwr
1.62V to 3.63V VCC for the core. This supply voltage is used for the
core logic including the crystal oscillator circuit.
VCC_BUS
12
15
18
Pwr
1.62V to 3.63V VCC for bus interface signals.
This supply voltage pin will determine the I/O levels of the CPU bus
interface signals.
VCC_UART
20
24
32
Pwr
1.62V to 3.63V VCC for the UART signals.
This supply voltage pin will determine the I/O levels of the UART I/O
signals including GPIO[3:0].
VCC_GPIO
-
19
24
Pwr
1.62V to 3.63V VCC for the GPIO signals.
This supply voltage pin will determine the I/O levels of the
GPIO[15:4] signals.
GND
GND
11
Center
Pad
14, 25
Center
Pad
17, 33
Center
Pad
Pwr
Pwr
Power supply common, ground.
The center pad on the backside of the QFN package is metallic and
should be connected to GND on the PCB. The thermal pad size on
the PCB should be the approximate size of this center pad and
should be solder mask defined. The solder mask opening should be
at least 0.0025" inwards from the edge of the PCB thermal pad.
Pin type: I=Input, O=Output, I/O= Input/output, OD=Output Open Drain.
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XR16M890IM48-F | 功能描述:UART 接口集成电路 1-Ch 8 Bit/VLIO UART w/Lvl Shftrs &16GPIO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| XR16M890IM48TR | 制造商:EXAR 制造商全称:EXAR 功能描述:UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS |
| XR16M890IM48TR-F | 功能描述:UART 接口集成电路 1-Ch 8 Bit/VLIO UART w/Lvl Shftrs &16GPIO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| XR16V2550 | 制造商:EXAR 制造商全称:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 16-BYTE FIFO |
| XR16V2550_07 | 制造商:EXAR 制造商全称:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 16-BYTE FIFO |
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