參數(shù)資料
型號： ST16C654IJ68
廠商： EXAR CORP
元件分類： 微控制器/微處理器
英文描述： 2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO
中文描述： 4 CHANNEL(S), 1.5M bps, SERIAL COMM CONTROLLER, PQCC68
封裝： PLASTIC, LCC-68
文件頁數(shù)： 1/51頁
文件大?。?/td> 968K
代理商： ST16C654IJ68
Exar
Corporation 48720 Kato Road, Fremont CA, 94538
(510) 668-7000
FAX (510) 668-7017
www.exar.com
ST16C654/654D
2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO
OCTOBER 2003
REV. 5.0.0
GENERAL DESCRIPTION
The ST16C654/654D
1
(654) is an enhanced quad
Universal Asynchronous Receiver and Transmitter
(UART) each with 64 bytes of transmit and receive
FIFOs, transmit and receive FIFO trigger levels,
automatic hardware and software flow control, and
data rates of up to 1.5 Mbps. Each UART has a set of
registers that provide the user with operating status
and control, receiver error indications, and modem
serial interface controls. Selectable interrupt polarity
provides flexibility to meet design requirements. An
internal
loopback
capability
diagnostics. The 654 is available in 64 pin TQFP 68
pin PLCC and 100 pin QFP packages. The 64 pin
package only offers the 16 mode interface, but the 68
and 100 pin packages offer an additional 68 mode
interface which allows easy integration with Motorola
processors. The ST16C654CQ64 (64 pin) offers
three
state
interrupt
ST16C654DCQ64 provides continuous interrupt
output. The 100 pin package provides additional
FIFO status outputs (TXRDY# and RXRDY# A-D),
separate infrared transmit data outputs (IRTX A-D)
and channel C external clock input (CHCCLK). The
ST16C654/654D is compatible with the industry
standard ST16C454 and ST16C654/554D.
N
OTE
:
1 Covered by U.S. Patent #5,649,122.
allows
onboard
output
while
the
FEATURES
Pin-to-pin compatible with ST16C454, ST16C554
and TI’s TL16C554AFN and TL16C754BFN
Intel or Motorola Data Bus Interface select
Four independent UART channels
I
Register Set Compatible to 16C550
I
Data rates of up to 1.5 Mbps
I
64 Byte Transmit FIFO
I
64 Byte Receive FIFO with error tags
I
4 Selectable TX and RX FIFO Trigger Levels
I
Automatic Hardware (RTS/CTS) Flow Control
I
Automatic Software (Xon/Xoff) Flow Control
I
Progammable Xon/Xoff characters
I
Wireless Infrared (IrDA 1.0) Encoder/Decoder
I
Full modem interface
2.97V to 5.5V supply operation
Sleep Mode (200 uA typical)
Crystal oscillator or external clock input
APPLICATIONS
Portable Appliances
Telecommunication Network Routers
Ethernet Network Routers
Cellular Data Devices
Factory Automation and Process Controls
F
IGURE
1. ST16C654 B
LOCK
D
IAGRAM
XTAL1
XTAL2
Crystal Osc/Buffer
Data Bus
Interface
UART Channel A
64 Byte TX FIFO
UART
Regs
64 Byte RX FIFO
BRG
IR
ENDEC
TX & RX
2.97V to 5.5V VCC
GND
654 BLK
TXB, RXB, IRTXB, DTRB#,
DSRB#, RTSB#, CTSB#,
CDB#, RIB#
UART Channel B
(same as Channel A)
A2:A0
D7:D0
IOR#
CSA#
CSB#
CSC#
CSD#
16/68#
INTSEL
CLKSEL
INTA
INTB
INTC
INTD
IOW#
Reset
CHCCLK
TXRDY# A-D
RXRDY# A-D
UART Channel C
(same as Channel A)
TXA, RXA, IRTXA, DTRA#,
DSRA#, RTSA#, CTSA#,
CDA#, RIA#
TXC, RXC, IRTXC, DTRC#,
DSRC#, RTSC#, CTSC#,
CDC#, RIC#
UART Channel D
(same as Channel A)
TXD, RXD, IRTXD, DTRD#,
DSRD#, RTSD#, CTSD#,
CDD#, RID#
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST16C654IJ68-F 功能描述:UART 接口集成電路 QUAD UARTW/64BYTE FIFO 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
ST16C654IJ68-F 制造商:Exar Corporation 功能描述:IC QUAD UART 1.5MBPS 5.5V 68-PLCC
ST16C654IJ68TR-F 制造商:Exar Corporation 功能描述:UART 4-CH 64Byte FIFO 3.3V/5V 68-Pin PLCC T/R 制造商:Exar Corporation 功能描述:2.97V to 5.5V Quad UART with 64 Byte FIFOs PLCC 68 制造商:Exar Corporation 功能描述:ST16C654IJ68TR-F
ST16C654IQ 制造商:Exar Corporation 功能描述:
ST16C654IQ100 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD UART WITH 64-BYTE FIFO AND INFRARED (IrDA) ENCODER/DECODER
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