參數(shù)資料
型號: XR16L784CVTR-F
廠商: Exar Corporation
文件頁數(shù): 10/51頁
文件大小: 0K
描述: IC UART FIFO 64B QUAD 64LQFP
標(biāo)準(zhǔn)包裝: 1,000
特點(diǎn): *
通道數(shù): 4,QUART
FIFO's: 64 字節(jié)
規(guī)程: RS485
電源電壓: 2.97 V ~ 5.5 V
帶自動流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動位檢測功能:
帶調(diào)制解調(diào)器控制功能:
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
包裝: 帶卷 (TR)
XR16L784
18
HIGH PERFORMANCE 2.97V TO 5.5V QUAD UART
REV. 1.2.3
2.16
Internal Loopback
Each UART channel provides an internal loopback capability for system diagnostic purposes. The internal
loopback mode is enabled by setting MCR register bit-4 to logic 1. All regular UART functions operate normally.
Figure 12 shows how the modem port signals are re-configured. Transmit data from the transmit shift register
output is internally routed to the receive shift register input allowing the system to receive the same data that it
was sending. The TX, RTS# and DTR# pins are held HIGH (idle or de-asserted state), and the CTS#, DSR#
CD# and RI# inputs are ignored.
FIGURE 12. INTERNAL LOOP BACK
TX [3:0]
RX [3:0]
Modem
/
G
eneral
P
u
rpose
Control
Logic
Inte
rn
al
Data
B
u
s
Lines
a
n
d
Contr
o
lSignals
RTS# [3:0]
MCR bit-4=1
VCC
Transmit Shift Register
(THR/FIFO)
Receive Shift Register
(RHR/FIFO)
CTS# [3:0]
DTR# [3:0]
DSR# [3:0]
RI# [3:0]
CD# [3:0]
OP1#
OP2#
RTS#
CTS#
DTR#
DSR#
RI#
CD#
VCC
相關(guān)PDF資料
PDF描述
VE-B73-IW-F2 CONVERTER MOD DC/DC 24V 100W
XR16V654IQ-F IC UART FIFO 64B QUAD 100QFP
ATMEGA644A-AUR IC MCU AVR 64K FLASH 44TQFP
VE-B73-IW-F1 CONVERTER MOD DC/DC 24V 100W
XR16V654IJ-F IC UART FIFO 64B QUAD 68PLCC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR16L784IV 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE 2.97V TO 5.5V QUAD UART
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