REV. 1.0.3 INTSEL 38 - 65 6 I Interrupt Select (active high, input with internal pull" />
參數(shù)資料
型號： XR16V554IV80-0A-EB
廠商： Exar Corporation
文件頁數(shù)： 40/43頁
文件大?。?/td> 0K
描述： EVAL BOARD FOR XR16V554 80LQFP
標準包裝： 1
系列： *
XR16V554/554D
6
2.25V TO 3.6V QUAD UART WITH 16-BYTE FIFO
REV. 1.0.3
INTSEL
38
-
65
6
I
Interrupt Select (active high, input with internal pull-
down).
When 16/68# pin is HIGH for Intel bus interface, this pin
can be used in conjunction with MCR bit-3 to enable or
disable the INT A-D pins or override MCR bit-3 and
enable the interrupt outputs. Interrupt outputs are
enabled continuously when this pin is HIGH. MCR bit-3
enables and disables the interrupt output pins. In this
mode, MCR bit-3 is set to a logic 1 to enable the contin-
uous output. See MCR bit-3 description for full detail.
This pin must be LOW in the Motorola bus interface
mode. For the 64 pin packages, this pin is bonded to
VCC internally in the XR16V554D so the INT outputs
operate in the continuous interrupt mode. This pin is
bonded to GND internally in the XR16V554 and there-
fore requires setting MCR bit-3 for enabling the inter-
rupt output pins.
MODEM OR SERIAL I/O INTERFACE
TXA
TXB
TXC
TXD
6
8
28
30
8
10
39
41
17
19
51
53
29
32
69
72
O
UART channels A-D Transmit Data and infrared trans-
mit data. In this mode, the TX signal will be HIGH dur-
ing reset, or idle (no data).
RXA
RXB
RXC
RXD
48
13
22
36
62
20
29
51
7
29
41
63
17
44
57
4
I
UART channel A-D Receive Data. Normal receive data
input must idle HIGH.
RTSA#
RTSB#
RTSC#
RTSD#
3
11
25
33
5
13
36
44
14
22
48
56
26
35
66
75
O
UART channels A-D Request-to-Send (active low) or
general purpose output. If these outputs are not used,
leave them unconnected.
CTSA#
CTSB#
CTSC#
CTSD#
1
12
23
35
2
16
33
47
11
25
45
59
23
38
63
78
I
UART channels A-D Clear-to-Send (active low) or gen-
eral purpose input. These inputs should be connected
to VCC when not used.
DTRA#
DTRB#
DTRC#
DTRD#
-
3
15
34
46
12
24
46
58
24
37
64
77
O
UART channels A-D Data-Terminal-Ready (active low)
or general purpose output. If these outputs are not
used, leave them unconnected.
DSRA#
DSRB#
DSRC#
DSRD#
-
1
17
32
48
10
26
44
60
22
39
62
79
I
UART channels A-D 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.
Pin Description
NAME
48-QFN
PIN #
64-LQFP
PIN #
68-PLCC
PIN#
80-LQFP
PIN #
TYPE
DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR16V554IV80-F 功能描述:UART 接口集成電路 2.25V-3.6V 16B FIFO temp -45 to 85C;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
XR16V554IV80TR-F 功能描述:UART 接口集成電路 XR16V554IV80TR-F 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
XR16V554IV-F 功能描述:通用總線函數(shù) UART RoHS:否 制造商:Texas Instruments 邏輯類型:CMOS 邏輯系列:74VMEH 電路數(shù)量:1 開啟電阻（最大值）: 傳播延遲時間:10.1 ns 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大工作溫度:+ 85 C 最小工作溫度:0 C 封裝 / 箱體:TSSOP-48 封裝:Reel
XR16V554IVTR-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
XR16V564 制造商:EXAR 制造商全稱:EXAR 功能描述:2.25V TO 3.6V QUAD UART WITH 32-BYTE FIFO
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