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參數(shù)資料
| 型號： | XR16C2850CJ-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 45/51頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC UART FIFO 128B 44PLCC |
| 標準包裝： | 27 |
| 特點： | * |
| 通道數(shù)： | 2，DUART |
| FIFO's： | 128 字節(jié) |
| 規(guī)程： | RS232，RS485 |
| 電源電壓： | 2.97 V ~ 5.5 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 |
| 帶調制解調器控制功能： | 是 |
| 帶CMOS： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-LCC（J 形引線） |
| 供應商設備封裝： | 44-PLCC（16.59x16.59） |
| 包裝： | 管件 |
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xr
XR16C2850
REV. 2.1.3
2.97V TO 5.5V DUAL UART WITH 128-BYTE FIFOS
5
RXB
10
4
I
UART channel B Receive Data or infrared receive data. Normal receive
data input must idle HIGH. The infrared receiver pulses typically idles
LOW but can be inverted by software control prior going in to the
decoder, see MCR[6] and FCTR[2]. If this pin is not used, tie it to VCC
or pull it high via a 100k ohm resistor.
RTSB#
27
22
O
UART channel B Request-to-Send (active low) or general purpose out-
put. This port must be asserted prior to using auto RTS flow control,
see EFR[6], MCR[1], FCTR[1:0], EMSR[5:4] and IER[6]. For auto
output is not used, leave it unconnected.
CTSB#
28
23
I
UART channel B Clear-to-Send (active low) or general purpose input.
It can be used for auto CTS flow control, see EFR[7], and IER[7]. This
input should be connected to VCC when not used.
DTRB#
38
35
O
UART channel B Data-Terminal-Ready (active low) or general purpose
output. If this output is not used, leave it unconnected.
DSRB#
25
20
I
UART channel B 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.
CDB#
21
16
I
UART channel B 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.
RIB#
26
21
I
UART channel B 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.
OP2B#
15
9
O
Output Port 2 Channel B - The output state is defined by the user and
through the software setting of MCR[3]. INTB is set to the active mode
and OP2B# output is LOW when MCR[3] is set to a logic 1. INTB is set
to the three state mode and OP2B# is HIGH when MCR[3] is set to a
logic 0. See MCR[3]. This output can only be used as a general pur-
pose output when interrupts are not used, otherwise it will disturb the
INTB output functionality. If this output is not used, leave it uncon-
nected.
ANCILLARY SIGNALS
XTAL1
18
13
I
Crystal or external clock input.
XTAL2
19
14
O
Crystal or buffered clock output.
HDCNTL#
-
37
I
RS-485 half duplex directional control for channel A and B (active low).
Connect to VCC for normal RTS# function and connect to GND for RS-
485 half duplex direction control. RTS# pin goes LOW for transmit and
HIGH for receive during RS-485 mode. This pin is wire “OR-ed” with
FCTR[3]. If this pin is connected to VCC, the function of the RTS# pin
can be controlled via FCTR[3]. If this pin is connected to GND, the
RTS# pin will always be the RS-485 half duplex direction control and
can not be controlled via FCTR[3]. See FCTR[3].
NAME
44-PLCC
PIN #
48-TQFP
PIN #
TYPE
DESCRIPTION
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| XR16C2850CJTR-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 |
| XR16C2850CM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| XR16C2850CM-0A-EB | 功能描述:UART 接口集成電路 Supports C2850 48 ld TQFP, ISA Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據速率: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 |
| XR16C2850CM-0B-EB | 功能描述:UART 接口集成電路 Supports C2850 48 ld TQFP, PCI Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據速率: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 |
| XR16C2850CM48 | 制造商:EXAR 制造商全稱:EXAR 功能描述:3.3V AND 5V DUART WITH 128-BYTE FIFO |
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