REV. 1.1.1 Pin type: I=Input, O=Output, I/O= Input/output, OD=Output Open Drain. R" />
參數(shù)資料
型號： XR16M752IM48-F
廠商： Exar Corporation
文件頁數(shù)： 53/54頁
文件大?。?/td> 0K
描述： IC UART FIFO 34B DUAL 48TQFP
標(biāo)準(zhǔn)包裝： 250
特點： *
通道數(shù)： 2，DUART
FIFO's： 64 字節(jié)
規(guī)程： RS232，RS422，RS485
電源電壓： 1.62 V ~ 3.63 V
帶自動流量控制功能： 是
帶IrDA 編碼器/解碼器： 是
帶故障啟動位檢測功能： 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： 48-TQFP
供應(yīng)商設(shè)備封裝： 48-TQFP（7x7）
包裝： 托盤
其它名稱： 1016-1461
1016-1461-ND
1016-1649
XR16M752IM48-F-ND
XR16M752/XR68M752
8
HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
REV. 1.1.1
Pin type: I=Input, O=Output, I/O= Input/output, OD=Output Open Drain.
RESET
(RESET#)
24
36
B7
I
When 16/68# pin is HIGH for Intel bus interface, this input
becomes RESET (active high). When 16/68# pin is LOW
for Motorola bus interface, this input becomes RESET#
(active low).
A 40 ns minimum active pulse on this pin will reset the
internal registers and all outputs of channel A and B. The
UART transmitter output will be held HIGH, the receiver
input will be ignored and outputs are reset during reset
period (see
EN485#
-
A6
I
Auto RS-485 half-duplex direction output enable for
channel A and B (active low, internal pull-up resistor).
Connect this pin to VCC or leave unconnected for normal
RTS# A/B function. Connect to GND for auto RS-485
half-duplex direction output via the RTS# A/B pins. The
Auto RS-485 half-duplex direction output control feature
can be disabled via DLD[6] after power-up. SEE ”AUTO
ENIR#
-
F7
I
IR mode enable for channel A and B (active low, internal
pull-up resistor). Connect this pin to VCC or leave uncon-
nected for normal TX and RX. Connect to GND for both
channel A and B to power up in the IR mode. The IR
mode can be disabled via DLD[7] after power-up. SEE
VCC
26
42
B5
Pwr
1.62V to 3.63V power supply.
GND
13
17
G3
Pwr
Power supply common, ground.
GND
Center Pad
-
Pwr
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 approxi-
mate 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.
NC
9
12, 25, 37
A1
No Connection.
Pin Description
NAME
32-QFN
PIN #
48-TQFP
PIN #
49-STBGA
PIN #
TYPE
DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR16M752IM48TR-F 功能描述:UART 接口集成電路 2 CHANNEL 64-Byte FIFO 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
XR16M770 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V HIGH PERFORMANCE UART WITH 64-BYTE FIFO
XR16M770IB25 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V HIGH PERFORMANCE UART WITH 64-BYTE FIFO
XR16M770IB25-0C-EB 功能描述:界面開發(fā)工具 Eval Board for XR16M770IB25 Series RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
XR16M770IB25-F 功能描述:UART 接口集成電路 1.8 HIGH PERFORMANCE UART W/64 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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