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參數(shù)資料
| 型號： | XR16L784IV |
| 廠商： | EXAR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | HIGH PERFORMANCE 2.97V TO 5.5V QUAD UART |
| 中文描述： | 4 CHANNEL(S), 6.25M bps, SERIAL COMM CONTROLLER, PQFP64 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, LQFP-64 |
| 文件頁數(shù)： | 5/52頁 |
| 文件大?。?/td> | 625K |
| 代理商： | XR16L784IV |
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REV. 1.2.0
XR16L784
HIGH PERFORMANCE 2.97V TO 5.5V QUAD UART
5
N
OTE
:
Pin type: I=Input, O=Output, IO= Input/output, OD=Output Open Drain.
TX3
28
O
UART channel 3 Transmit Data or infrared transmit data. Normal TXD output
idles HIGH while infrared TXD output idles LOW.
UART channel 3 Receive Data or infrared receive data. Normal RXD input
idles HIGH while infrared RXD input idles LOW. In the infrared mode, the
polarity of the incoming RXD signal can be selected via FCTR bit-4. If this bit
is a logic 0, a LOW on the RXD input is considered a mark and if this bit is a
logic 1, a HIGH on the RXD input is considered a space.
RX3
21
I
RTS3#
26
O
UART channel 3 Request to Send or general purpose output (active low).
See description of RTS0# pin.
CTS3#
22
I
UART channel 3 Clear to Send or general purpose input (active low).d. See
description of CTS0# pin.
DTR3#
27
O
UART channel 3 Data Terminal Ready or general purpose output (active low).
See description of DTS0# pin.
DSR3#
23
I
UART channel 3 Data Set Ready or general purpose input (active low). See
description of DSR0# pin.
CD3#
24
I
UART channel 3 Carrier Detect or general purpose input (active low).
RI3#
25
I
UART channel 3 Ring Indicator or general purpose input (active low).
ANCILLARY SIGNALS
XTAL1
50
I
Crystal or external clock input. Caution: this input is not 5V tolerant.
XTAL2
49
O
Crystal or buffered clock output.
TMRCK
31
I
16-bit timer/counter external clock input.
ENIR
32
I
Infrared mode enable (active high). This pin is sampled during power up, fol-
lowing a hardware reset (RST#) or soft-reset (register RESET). It can be
used to start up all 8 UARTs in the infrared mode. The sampled logic state is
transferred to MCR bit-6 in the UART.
RST#
20
I
Reset (active low). The configuration and UART registers are reset to default
values, see Table-15.
16/68#
19
I
Intel or Motorola data bus interface select. HIGH selects Intel bus interface
and LOW selects Motorola interface. This input affects the functionality of
IOR#, IOW# and CS# pins.
VCC
9,30,52
+5V or +3.3V supply, all inputs are 5V tolerant except for XTAL1.
GND
10,29,51
Power supply common, ground.
Pin Descriptions
N
AME
P
IN
#
T
YPE
D
ESCRIPTION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XR16L788 | HIGH PERFORMANCE OCTAL UART |
| XR16L788CQ | HIGH PERFORMANCE OCTAL UART |
| XR16L788IQ | HIGH PERFORMANCE OCTAL UART |
| XR17C154 | Tip, Offset Tapered Needle, 1mm Diameter |
| XR17C154CV | Burner |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR16L784IV-F | 功能描述:UART 接口集成電路 2.97V-5.5V 64B FIFO temp -45 to 85C 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 |
| XR16L784IVTR-F | 功能描述:UART 接口集成電路 PCI BUS QUAD 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 |
| XR16L788 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE OCTAL UART |
| XR16L788_05 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE 2.97V TO 5.5V OCTAL UART |
| XR16L788_08 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE 2.97V TO 5.5V OCTAL UART |
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