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參數(shù)資料
| 型號： | XR16M654IV-0B-EVB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 55/58頁 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XR16M654-B 64LQFP |
| 標準包裝： | 1 |
| 系列： | * |
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XR16M654/654D
6
1.62V TO 3.63V QUAD UART WITH 64-BYTE FIFO
REV. 1.0.0
IOW#
(R/W#)
7
9
18
11
15
I
When 16/68# pin is HIGH, it selects Intel
bus interface and this input becomes write
strobe (active low). The falling edge insti-
gates the internal write cycle and the rising
edge transfers the data byte on the data
bus to an internal register pointed by the
address lines.
When 16/68# pin is LOW, the Motorola bus
interface is selected and this input becomes
read (logic 1) and write (logic 0) signal.
CSA#
(CS#)
5
7
16
9
13
I
When 16/68# pin is HIGH, this input is chip
select A (active low) to enable channel A in
the device.
When 16/68# pin is LOW, this input
becomes the chip select (active low) for the
Motorola bus interface.
CSB#
(A3)
9
11
20
13
17
I
When 16/68# pin is HIGH, this input is chip
select B (active low) to enable channel B in
the device.
When 16/68# pin is LOW, this input
becomes address line A3 which is used for
channel selection in the Motorola bus inter-
face.
CSC#
(A4)
27
38
50
49
64
I
When 16/68# pin is HIGH, this input is chip
select C (active low) to enable channel C in
the device.
When 16/68# pin is LOW, this input
becomes address line A4 which is used for
channel selection in the Motorola bus inter-
face.
CSD#
(VCC)
31
42
54
53
68
I
When 16/68# pin is HIGH, this input is chip
select D (active low) to enable channel D in
the device.
When 16/68# pin is LOW, this input is not
used and should be connected VCC.
INTA
(IRQ#)
4
6
15
8
12
O
(OD)
When 16/68# pin is HIGH for Intel bus inter-
face, this ouput becomes channel A inter-
rupt output. The output state is defined by
the user and through the software setting of
MCR[3]. INTA is set to the active mode
when MCR[3] is set to a logic 1. INTA is set
to the three state mode when MCR[3] is set
to a logic 0 (default). See MCR[3].
When 16/68# pin is LOW for Motorola bus
interface, this output becomes device inter-
rupt output (active low, open drain). An
external pull-up resistor is required for
proper operation.
Pin Description
NAME
48-QFN
PIN #
64-LQFP
PIN #
68-PLCC
PIN#
80-LQFP
PIN #
100-QFP
PIN #
TYPE
DESCRIPTION
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| XR16M654IV64 | 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V QUAD UART WITH 64-BYTE FIFO |
| XR16M654IV64-F | 功能描述:UART 接口集成電路 1.62V-3.63V QUAD UART W/64BYTE FIFO 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 |
| XR16M654IV64TR-F | 制造商:Exar Corporation 功能描述:UART 4-CH 64Byte FIFO 1.8V/2.5V/3.3V 64-Pin LQFP T/R |
| XR16M654IV80 | 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V QUAD UART WITH 64-BYTE FIFO |
| XR16M654IV80-0A-EB | 功能描述:界面開發(fā)工具 Eval Board for XR16M654IV80-0A 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 |
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