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參數(shù)資料
| 型號(hào)： | XR20M1172IG28 |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 34/55頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC UART FIFO I2C/SPI 64B 28TSSOP |
| 產(chǎn)品變化通告： | Leaded UART, V&I Obsolescence 11/Apr/2011 |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 特點(diǎn)： | * |
| 通道數(shù)： | 2，DUART |
| FIFO's： | 64 字節(jié) |
| 規(guī)程： | RS485 |
| 電源電壓： | 1.62 V ~ 3.63 V |
| 帶自動(dòng)流量控制功能： | 是 |
| 帶IrDA 編碼器/解碼器： | 是 |
| 帶故障啟動(dòng)位檢測(cè)功能： | 是 |
| 帶調(diào)制解調(diào)器控制功能： | 是 |
| 帶CMOS： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-TSSOP |
| 包裝： | 管件 |
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XR20M1172
4
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO
REV. 1.2.0
CTSB#
16
18
I
UART Clear-To-Send. This input can be used for Auto CTS Hardware
Flow Control or as a general purpose input. If unused, this pin should
be connected to VCC or GND.
SCL
17
19
I
I2C-bus or SPI serial input clock. When the I2C-bus interface is
selected, the serial clock idles HIGH. When the SPI interface is
selected, the serial clock idles LOW.
ENIR#
18
-
I
Enable IR Mode (internal pull-up resistor). 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.
EN485#
19
-
I
Enable Auto RS-485 Half-Duplex Mode (internal pull-up resistor). This
pin is sampled upon power-up. If this pin is HIGH, then the RTS# out-
put 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.
IRQ#
20
O
Interrupt output (open-drain, active LOW). For proper operation, a
pull-up resistor is required on this pin.
RTSA#
21
O
UART Request-To-Send. This output can be used for Auto RTS Hard-
ware Flow Control, Auto RS-485 Half-Duplex direction control or as a
general purpose output. If unused, this pin should be left uncon-
nected.
GPIO5/DTRA#
22
I/O
General purpose I/O pin or UART Data-Terminal-Ready. If this pin is
an input and is unused, it should be connected to VCC or GND. If this
pin is an output and is unused, it should be left unconnected. See
IOControl[1] and IODir register.
GPIO1/DTRB#
23
I/O
General purpose I/O pin or UART Data-Terminal-Ready. If this pin is
an input and is unused, it should be connected to VCC or GND. If this
pin is an output and is unused, it should be left unconnected. See
IOControl[1] and IODir register.
RESET#
24
I
Reset (active LOW) - A longer than 40 ns LOW pulse on this pin will
reset the internal registers and all outputs. The UART transmitter out-
put will be idle and the receiver input will be ignored.
CTSA#
25
I
UART Clear-To-Send. This input can be used for Auto CTS Hardware
Flow Control or as a general purpose input. If unused, this pin should
be connected to VCC or GND.
GPIO4/DSRA#
26
I/O
General purpose I/O pin or UART Data-Set-Ready. If this pin is an
input and is unused, it should be connected to VCC or GND. If this pin
is an output and is unused, it should be left unconnected. See IOCon-
trol[1] and IODir register.
GPIO6/CDA#
27
I/O
General purpose I/O pin or UART Carrier-Detect. If this pin is an input
and is unused, it should be connected to VCC or GND. If this pin is an
output and is unused, it should be left unconnected. See IOControl[1]
and IODir register.
Pin Description
NAME
32-QFN
PIN #
28-TSSOP
PIN#
TYPE
DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR20M1172IG28-F | 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR20M1172IG28-F | 制造商:Exar Corporation 功能描述:IC DUAL UART 16MBPS 3.63V 28-TSSOP 制造商:Exar Corporation 功能描述:IC, DUAL UART, 16MBPS, 3.63V, 28-TSSOP |
| XR20M1172IG28TR-F | 功能描述:UART 接口集成電路 1.8V 2 Ch 64-byte I2C/SPI UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR20M1172IL32 | 制造商:EXAR 制造商全稱:EXAR 功能描述:TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO |
| XR20M1172IL32-F | 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
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