REV. 2.1.3 2.97V TO 5.5V DUAL UART WITH 128-BYTE FIFOS 3 PIN DESCRIPTIONS NAME 44-P" />
參數(shù)資料
型號(hào)： XR16C2850IJ-F
廠商： Exar Corporation
文件頁(yè)數(shù)： 23/51頁(yè)
文件大?。?/td> 0K
描述： IC UART FIFO 128B 44PLCC
標(biāo)準(zhǔn)包裝： 27
特點(diǎn)： *
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(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： 44-LCC（J 形引線）
供應(yīng)商設(shè)備封裝： 44-PLCC（16.59x16.59）
包裝： 管件
其它名稱： 1016-1567-5
XR16C2850IJ-F-ND
xr
XR16C2850
REV. 2.1.3
2.97V TO 5.5V DUAL UART WITH 128-BYTE FIFOS
3
PIN DESCRIPTIONS
NAME
44-PLCC
PIN #
48-TQFP
PIN #
TYPE
DESCRIPTION
DATA BUS INTERFACE
A2
A1
A0
29
30
31
26
27
28
I
Address data lines [2:0]. These 3 address lines select one of the inter-
nal registers in UART channel A/B during a data bus transaction.
D7
D6
D5
D4
D3
D2
D1
D0
9
8
7
6
5
4
3
2
3
2
1
48
47
46
45
44
I/O
Data bus lines [7:0] (bidirectional).
IOR#
24
19
I
Input/Output Read Strobe (active low). The falling edge instigates an
internal read cycle and retrieves the data byte from an internal register
pointed to by the address lines [A2:A0]. The data byte is placed on the
data bus to allow the host processor to read it on the rising edge.
IOW#
20
15
I
Input/Output Write Strobe (active low). The falling edge instigates an
internal write cycle and the rising edge transfers the data byte on the
data bus to an internal register pointed by the address lines.
CSA#
16
10
I
UART channel A select (active low) to enable UART channel A in the
device for data bus operation.
CSB#
17
11
I
UART channel B select (active low) to enable UART channel B in the
device for data bus operation.
INTA
33
30
O
UART channel A Interrupt output. The output state is defined by the
user through the software setting of MCR[3]. INTA is set to the active
mode and OP2A# output is LOW when MCR[3] is set to a logic 1. INTA
is set to the three state mode and OP2A# is HIGH when MCR[3] is set
to a logic 0 (default). See MCR[3]. If this output is not used, leave it
unconnected.
INTB
32
29
O
UART channel B Interrupt output. The output state is defined by the
user 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 (default). See MCR[3]. If this output is not used, leave it
unconnected.
TXRDYA#
1
43
O
UART channel A Transmitter Ready (active low). The output
provides the TX FIFO/THR status for transmit channel A. See
Table 2. If this output is not used, leave it unconnected.
RXRDYA#
34
31
O
UART channel A Receiver Ready (active low). This output provides the
RX FIFO/RHR status for receive channel A. See
Table 2. If this output
is not used, leave it unconnected.
TXRDYB#
12
6
O
UART channel B Transmitter Ready (active low). The output provides
the TX FIFO/THR status for transmit channel B. See
Table 2. If this
output is not used, leave it unconnected.
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參數(shù)描述
XR16C2850IJTR-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
XR16C2850IM 制造商:EXAR 制造商全稱:EXAR 功能描述:2.97V TO 5.5V DUAL UART WITH 128-BYTE FIFOS
XR16C2850IM48 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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XR16C2850IMTR-F 制造商:Exar Corporation 功能描述:XR16C2850IMTR-F
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