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XR16M890
REV. 1.0.0
Pin Description
UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
N AME
QFN-32
P IN #
QFN-40 TQFP-48
PIN# PIN#
T YPE
D ESCRIPTION
INT
10
12
15
O
Interrupt output (active high). The output state is defined by the user
through the software setting of MCR[3]. INT is set to the active
mode when MCR[3] is set to a logic 1. INT is set to the three state
mode when MCR[3] is set to a logic 0. See MCR[3].
MODEM I/O and GPIOs
TX
17
32
40
O
UART Transmit Data or infrared encoder data. Standard transmit
and receive interface is enabled when MCR[6] = 0. In this mode, the
TX signal will be a logic 1 during reset or idle (no data). Infrared
IrDA transmit and receive interface is enabled when MCR[6] = 1. In
the Infrared mode, the inactive state (no data) for the Infrared
encoder/decoder interface is a logic 0. If it is not used, leave it
unconnected.
RX
18
33
41
I
UART Receive Data or infrared receive data. Normal receive data
input must idle at logic 1 condition. The infrared receiver idles at
logic 0. This input should be connected to VCC when not used.
RTS#
19
31
39
O
UART Request-to-Send (active low) or general purpose output. This
output must be asserted prior to using Auto RTS HW flow control,
see EFR[6], MCR[1] and IER[6]. This output can also be used for
the Auto RS-485 half-duplex output control.
CTS#
16
30
38
I
UART Clear-to-Send (active low) or general purpose input. It can
be used for auto CTS flow control, see EFR[7], MSR[4] and IER[7].
This input should be connected to VCC when not used.
DTR#/GPIO0
DSR#/GPIO1
CD#/GPIO2
RI#/GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
GPIO11
GPIO12
GPIO13
GPIO14
GPIO15
24
23
22
21
-
-
-
-
-
-
-
-
-
-
-
-
29
28
27
26
23
22
21
20
-
-
-
-
-
-
-
-
37
36
35
34
28
27
26
25
19
20
21
22
23
29
30
31
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
General purpose I/O or UART Data-Terminal-Ready (active low).
General purpose I/O or UART Data-Set-Ready (active low).
General purpose I/O or UART Carrier-Detect (active low).
General purpose I/O or UART Ring-Indicator (active low).
General purpose I/Os.
These GPIOs are only available on the QFN-40 and TQFP-48 pack-
ages.
General purpose I/Os.
These GPIOs are only available on the TQFP-48 package.
ANCILLARY SIGNALS
XTAL1
XTAL2
26
27
35
36
43
44
I
O
Crystal or external clock input. Note: This input is not 5V tolerant.
Crystal or buffered clock output.
7
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XR16M890IL32TR 制造商:EXAR 制造商全称:EXAR 功能描述:UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
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XR16M890IL40 制造商:EXAR 制造商全称:EXAR 功能描述:UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
XR16M890IL40-0C-EB 功能描述:UART 接口集成电路 EVAL F/M890 QFN40 MOT, INTEL, VLIO INT 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
XR16M890IL40-F 功能描述:UART 接口集成电路 1-Ch 8 Bit/VLIO UART w/Lvl Shftrs & 8GPIO 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
XR16M890IL40TR 制造商:EXAR 制造商全称:EXAR 功能描述:UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
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