參數(shù)資料
型號(hào)： XR16C854DIV
廠商： EXAR CORP
元件分類： 微控制器/微處理器
英文描述： QUAD UART WITH RX/TX FIFO COUNTERS,128-BYTE FIFO
中文描述： 4 CHANNEL(S), 2M bps, SERIAL COMM CONTROLLER, PQFP64
封裝： 10 X 10 MM, 1.40 MM HEIGHT, TQFP-64
文件頁(yè)數(shù)： 8/51頁(yè)
文件大?。?/td> 476K
代理商： XR16C854DIV
XR16C854
8
Rev. 1.00P
SYMBOL DESCRIPTION
Symbol
Pin
100
Signal
type
Pin Description
68
64
-IRQ
15
12
-
O
Interrupt Request or Interrupt A - This function is associ-
ated with the 68 mode only. In the 68 mode, interrupts from
UART channels A-D are WIRE-ORed internally to function
as a single IRQ interrupt. This pin transitions to a logic 0 (if
enabled by the interrupt enable register) whenever a UART
channel(s) requires service. Individual channel interrupt
status can be determined by addressing each channel
through its associated internal register, using -CS and A3-
A4. In the 68 mode an external pull-up resistor must be
connected between this pin and Vcc. The function of this pin
changes to INTA when operating in the 16 mode, see
definition under INTA.
IRTX A-B
IRTX C-D
-
-
6,24
57,75
-
-
O
Infrared Transmit Data Output (IrDA) - This function is
associated with 100 pin packages only. These pins provide
separate infrared IrDA TX outputs for UART channels (A-
D). The serial infrared IRTX data is transmitted via these
pins with added start, stop and parity bits. The IRTX signal
will be a logic 0 during reset, idle (no data), or when the
transmitter is disabled. MCR bit-6 selects the standard
modem or infrared interface.
MIDICLK
-
42
-
I
MIDI (Musical Instrument Digital Interface) Clock Input -
This function is associated with 100 pin packages only. RXC
and TXC can function as MIDI input/output ports when an
external MIDI Clock is provided at this pin. External Clock
or a crystal is connected to the XTAL2 pins for normal
operation (see XTAL 1 & 2).
-RESET
RESET
37
43
27
I
Reset. - In the 16 mode a logic 1 on this pin will reset the
internal registers and all the outputs. The UART transmitter
output and the receiver input will be disabled during reset
time. (See XR16C854 External Reset Conditions for initial-
ization details.) When 16/-68 is a logic 0 (68 mode), this pin
functions similarly but, as an inverted reset interface signal,
-RESET.
相關(guān)PDF資料
PDF描述
XR16C854IJ QUAD UART WITH RX/TX FIFO COUNTERS,128-BYTE FIFO
XR16C854IQ QUAD UART WITH RX/TX FIFO COUNTERS,128-BYTE FIFO
XR16C854IV APH97-3108A20-29S
XR16C854D 2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
XR16C864 Quad UART with RX/TX FIFO Counters and 128-byte FIFO(四通用異步接收器/發(fā)送器（帶RX/TX 先進(jìn)先出計(jì)數(shù)器和128字節(jié)先進(jìn)先出）)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR16C854DIV-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
XR16C854DIV-F 制造商:Exar Corporation 功能描述:IC QUAD UART 2MBPS 5.5V 64-LQFP
XR16C854DIVTR-F 制造商:Exar Corporation 功能描述:UART 4-CH 128Byte FIFO 3.3V/5V 64-Pin LQFP T/R 制造商:Exar Corporation 功能描述:XR16C854DIVTR-F
XR16C854IJ 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
XR16C854IJ-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
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