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參數(shù)資料
| 型號： | XR16V2651IL-0B-EB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 45/51頁 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR V2651 32QFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | * |
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XR16V2651
5
REV. 1.0.2
HIGH PERFORMANCE DUART WITH 32-BYTE FIFO AND POWERSAVE FEATURE
OP2A#
-
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 LOW
when MCR[3] is set to a logic 1. INTA is set to the three state mode and OP2A#
output HIGH when MCR[3] is set to a logic 0. See MCR[3]. If INTA is used, this out-
put should not be used as a general output else it will disturb the INTA output func-
tionality.
TXB
6
8
O
UART channel B 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
HIGH 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 LOW. If it is not used, leave it unconnected.
RXB
3
4
I
UART channel B Receive Data or infrared receive data. Normal receive data input
must idle HIGH. The infrared receiver pulses typically idles at logic 0 but can be
inverted by software control prior going in to the decoder, see MCR[6]. If this pin is
not used, tie it to VCC or pull it high via a 100k ohm resistor.
RTSB#
15
22
O
UART channel B Request-to-Send (active low) or general purpose output. This port
must be asserted prior to using auto RTS flow control, see EFR[6], MCR[1], and
IER[6].
CTSB#
16
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 con-
nected to VCC when not used.
DTRB#
-
35
O
UART channel B Data-Terminal-Ready (active low) or general purpose output. If it
is not used, leave it unconnected.
DSRB#
-
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#
-
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#
-
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#
-
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 LOW
when MCR[3] is set to a logic 1. INTB is set to the three state mode and OP2B#
output HIGH when MCR[3] is set to a logic 0. See MCR[3]. If INTB is used, this out-
put should not be used as a general output else it will disturb the INTB output func-
tionality.
ANCILLARY SIGNALS
XTAL1
10
13
I
Crystal or external clock input.
XTAL2
11
14
O
Crystal or buffered clock output.
PwrSave
9
12
I
PowerSave (active high). This feature isolates the V2651’s data bus interface from
the host preventing other bus activities that cause higher power drain during sleep
mode. See Sleep Mode with Auto Wake-up and PowerSave Feature section for
details.
Pin Description
NAME
32-QFN
PIN #
48-TQFP
PIN #
TYPE
DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR16V2651IL32 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 32-BYTE FIFO AND POWERSAVE |
| XR16V2651IL-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 |
| XR16V2651ILTR-F | 制造商:Exar Corporation 功能描述:UART 2-CH 32Byte FIFO 2.5V/3.3V 32-Pin QFN EP T/R 制造商:Exar Corporation 功能描述:XR16V2651ILTR-F |
| XR16V2651IM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| XR16V2651IM-0B-EB | 功能描述:UART 接口集成電路 Supports V2651 48 ld TQFP, PCI Interface 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 |
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