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參數(shù)資料
型號： XR16M780IL32-0A-EB
廠商： Exar Corporation
文件頁數(shù)： 34/58頁
文件大?。?/td> 0K
描述： EVAL BOARD FOR XR16M780-A 32QFN
標準包裝： 1
系列： *
XR16M780
4
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 64-BYTE FIFO
REV. 1.0.0
PIN DESCRIPTIONS
Pin Description
NAME
32-QFN
PIN#
48-TQFP
PIN#
25-BGA
PIN#
TYPE
DESCRIPTION
DATA BUS INTERFACE
A2
A1
A0
17
18
19
26
27
28
A5
A4
B4
I
Address lines [2:0]. These 3 address lines select the internal regis-
ters in UART channel during a data bus transaction.
D7
D6
D5
D4
D3
D2
D1
D0
5
4
3
1
32
31
30
29
4
3
2
47
46
45
44
43
C3
C2
E3
E1
D1
E2
D2
C1
I/O
Data bus lines [7:0] (bidirectional).
IOR#
14
19
B5
I
When 16/68# pin is at logic 1, the Intel bus interface is selected and
this input becomes read strobe (active low). The falling edge insti-
gates an internal read cycle and retrieves the data byte from an
internal register pointed by the address lines [A2:A0], puts the data
byte on the data bus to allow the host processor to read it on the ris-
ing edge.
When 16/68# pin is at logic 0, the Motorola bus interface is selected
and this input should be connected to VCC.
IOW#
(R/W#)
12
16
C5
I
When 16/68# pin is at logic 1, it selects Intel bus interface and this
input becomes write strobe (active low). The falling edge instigates
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 at logic 0, the Motorola bus interface is selected
and this input becomes read (logic 1) and write (logic 0) signal.
CS#
8
11
D4
I
This input is chip select (active low) to enable the device.
INT
(IRQ#)
20
30
A3
O
(OD)
When 16/68# pin is at logic 1 for Intel bus interface, this output
become the active high device interrupt output. 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].
When 16/68# pin is at logic 0 for Motorola bus interface, this output
becomes the active low device interrupt output (open drain). An
external pull-up resistor is required for proper operation.
MODEM OR SERIAL I/O INTERFACE
TX
7
8
D3
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.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR16M780IL32-0B-EB 功能描述:界面開發(fā)工具 Eval Board for XR16M780IL32 Series 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
XR16M780IL32-0C-EB 功能描述:界面開發(fā)工具 Eval Board for XR16M780IL32 Series 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
XR16M780IL32-F 功能描述:UART 接口集成電路 1.8 HIGH PERFORMANCE UART W/64 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
XR16M780IM48 制造商:EXAR 制造商全稱:EXAR 功能描述:1.62V TO 3.63V HIGH PERFORMANCE UART WITH 64-BYTE FIFO
XR16M780IM48-0A-EB 功能描述:界面開發(fā)工具 Eval Board for XR16M780IM48 Series 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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