参数资料
型号: ST16C2450IQ48-F
厂商: Exar Corporation
文件页数: 1/30页
文件大小: 0K
描述: IC UART FIFO DUAL 48TQFP
标准包装: 250
特点: *
通道数: 2,DUART
FIFO's: 1 字节
规程: RS232
电源电压: 2.97 V ~ 5.5 V
带故障启动位检测功能:
带调制解调器控制功能:
安装类型: 表面贴装
封装/外壳: 48-TQFP
供应商设备封装: 48-TQFP(7x7)
包装: 托盘
其它名称: 1016-1670
ST16C2450IQ48-F-ND
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com
xr
ST16C2450
2.97V TO 5.5V DUART
MAY 2005
REV. 4.0.1
GENERAL DESCRIPTION
The ST16C2450 (2450) is a dual universal asynchro-
nous
receiver
and
transmitter
(UART).
The
ST16C2450
is
an
improved
version
of
the
ST16C2450 with lower operating voltage and 5 volt
tolerant inputs. The 2450 provides enhanced UART
functions, a modem control interface and data rates
up to 1.5 Mbps. Onboard status registers provide the
user with error indications and operational status. In-
dependent programmable baud rate generators are
provided to select transmit and receive clock rates up
to 1.5 Mbps. An internal loopback capability allows
onboard diagnostics. The 2450 is available in a 44-
pin PLCC and 48-pin TQFP packages. The 2450 is
fabricated in an advanced CMOS process capable of
operating from 2.97 volt to 5.5 volt power supply. The
devices with a top marking of "A2 YYWW" or newer
have 5 volt tolerant inputs.
APPLICATIONS
Portable Appliances
Telecommunication Network Routers
Ethernet Network Routers
Cellular Data Devices
Factory Automation and Process Controls
FEATURES
Added feature in devices with top marking "A2
YYWW" and newer:
5 Volt Tolerant Inputs
2.97 to 5.5 Volt Operation
Pin-to-pin compatible to Exar’s XR16C2450,
ST16C2550,
XR16L2550,
XR16L2750
and
XR16C2850
2 independent UART channels
Up to 1.5 Mbps data rate with a 24 MHz crystal
oscillator or external clock frequency
1 byte Transmit FIFO
1 byte Receive FIFO with error tags
Status report registers
Modem control signals (CTS#, RTS#, DSR#,
DTR#, RI#, CD#)
Programmable character lengths (5, 6, 7, 8)
with even, odd, or no parity
Crystal oscillator or external clock input
TTL compatible inputs, outputs
Industrial temperature ranges
48-TQFP and 44-PLCC packages
FIGURE 1. ST16C2450 BLOCK DIAGRAM
XTAL1
XTAL2
Crystal Osc/Buffer
TXA
RTSA#, CTSA#,
DTRA#, DSRA#,
CDA#, RIA#, OP2A#
8-bit Data
Bus
Interface
UART Channel A
BRG
THR
UART
Regs
2.97 to 5.5 Volt VCC
UART Channel B
(same as Channel A)
A2:A0
D7:D0
CSA#
CSB#
INTA
INTB
IOW#
IOR#
Reset
RHR
Modem I/Os
RXA
TXB
RTSB#, CTSB#,
DTRB#, DSRB#,
CDB#, RIB#, OP2B#
RXB
*5V Tolerant inputs
相关PDF资料
PDF描述
MAX7314AEG+T IC I/O EXPANDER I2C 16B 24QSOP
ST16C550IQ48-F IC UART FIFO 16B SGL 48TQFP
MAX7318AWG+T IC PORT EXPANDER 16BIT 24SOIC
XR20M1170IL24-F IC UART FIFO I2C/SPI 64B 24QFN
MAX7318AAG+T IC I/O EXPANDER I2C 16B 24SSOP
相关代理商/技术参数
参数描述
ST16C2450IQ48TR-F 制造商:Exar Corporation 功能描述:UART 2-CH 1Byte FIFO 3.3V/5V 48-Pin TQFP T/R 制造商:Exar Corporation 功能描述:ST16C2450IQ48TR-F
ST16C2451 制造商:EXAR 制造商全称:EXAR 功能描述:2.97V TO 5.5V DUART
ST16C2550 制造商:EXAR 制造商全称:EXAR 功能描述:2.97V TO 5.5V DUART WITH 16-BYTE FIFO
ST16C2550_04 制造商:EXAR 制造商全称:EXAR 功能描述:2.97V TO 5.5V DUART WITH 16-BYTE FIFO
ST16C2550CJ-0A-EB 功能描述:界面开发工具 Supports C2550 44 ld PLCC, ISA Interface RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V