参数资料
| 型号： | XR16C2550IM-F |
| 厂商： | Exar Corporation |
| 文件页数： | 32/37页 |
| 文件大小： | 0K |
| 描述： | IC UART FIFO 16B DUAL 48TQFP |
| 标准包装： | 250 |
| 特点： | * |
| 通道数： | 2，DUART |
| FIFO's： | 16 字节 |
| 规程： | RS232，RS485 |
| 电源电压： | 2.97 V ~ 5.5 V |
| 带故障启动位检测功能： | 是 |
| 带调制解调器控制功能： | 是 |
| 带CMOS： | 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 |
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XR16C2550
4
2.97V TO 5.5V DUART WITH 16-BYTE FIFO
REV. 1.0.2
RXRDYB#
-
23
18
O
UART channel B Receiver Ready (active low). This output provides
the RX FIFO/RHR status for receive channel B. See Table 2. If it is
not used, leave it unconnected.
MODEM OR SERIAL I/O INTERFACE
TXA
11
13
7
O
UART channel A Transmit Data. If it is not used, leave it uncon-
nected.
RXA
10
11
5
I
UART channel A Receive Data. Normal receive data input must idle
at logic 1 condition. If it is not used, tie it to VCC or pull it high via a
100k ohm resistor.
RTSA#
32
36
33
O
UART channel A Request-to-Send (active low) or general purpose
output. If it is not used, leave it unconnected.
CTSA#
36
40
38
I
UART channel A Clear-to-Send (active low) or general purpose
input. This input should be connected to VCC when not used. This
input has no effect on the UART.
DTRA#
33
37
34
O
UART channel A Data-Terminal-Ready (active low) or general pur-
pose output. If it is not used, leave it unconnected.
DSRA#
37
41
39
I
UART channel A Data-Set-Ready (active low) or general purpose
input. This input should be connected to VCC when not used. This
input has no effect on the UART.
CDA#
38
42
40
I
UART channel A Carrier-Detect (active low) or general purpose
input. This input should be connected to VCC when not used. This
input has no effect on the UART.
RIA#
39
43
41
I
UART channel A Ring-Indicator (active low) or general purpose
input. This input should be connected to VCC when not used. This
input has no effect on the UART.
OP2A#
31
35
32
O
Output Port 2 Channel A - The output state is defined by the user
and through the software setting of MCR[3]. INTA is set to the active
mode and OP2A# output to a logic 0 when MCR[3] is set to a logic
1. INTA is set to the three state mode and OP2A# to a logic 1 when
MCR[3] is set to a logic 0. See MCR[3]. This output should not be
used as a general output else it will disturb the INTA output function-
ality. If it is not used at all, leave it unconnected.
TXB
12
14
8
O
UART channel B Transmit Data. If it is not used, leave it uncon-
nected.
RXB
9
10
4
I
UART channel B Receive Data. Normal receive data input must idle
at logic 1 condition. If it is not used, tie it to VCC or pull it high via a
100k ohm resistor.
RTSB#
24
27
22
O
UART channel B Request-to-Send (active low) or general purpose
output. If it is not used, leave it unconnected.
CTSB#
25
28
23
I
UART channel B Clear-to-Send (active low) or general purpose
input. This input should be connected to VCC when not used. This
input has no effect on the UART.
DTRB#
34
38
35
O
UART channel B Data-Terminal-Ready (active low) or general pur-
pose output. If it is not used, leave it unconnected.
Pin Description
NAME
40-PDIP
PIN #
44-PLCC
PIN #
48-TQFP
PIN #
TYPE
DESCRIPTION
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XR16C2550IMTR-F | 功能描述:UART 接口集成电路 UART 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 |
| XR16C2550IP | 制造商:EXAR 制造商全称:EXAR 功能描述:2.97V TO 5.5V DUART WITH 16-BYTE FIFO |
| XR16C2552 | 制造商:EXAR 制造商全称:EXAR 功能描述:2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO |
| XR16C2552IJ | 制造商:EXAR 制造商全称:EXAR 功能描述:2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO |
| XR16C2850 | 制造商:EXAR 制造商全称:EXAR 功能描述:2.97V TO 5.5V DUAL UART WITH 128-BYTE FIFOS |
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