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PDF XR16M580 Data sheet ( Hoja de datos )
| Número de pieza | XR16M580 | |
| Descripción | 1.62V To 3.63V High Performance UART | |
| Fabricantes | Sipex Corporation | |
| Logotipo |  |
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www.DataShSeEePt4TUE.McoBmER 2008
PRELIMINARY
XR16M580
1.62V TO 3.63V SINGLE CHANNEL UART WITH 16-BYTE FIFO
REV. P 1.0.0
GENERAL DESCRIPTION
The XR16M5801 (M580) is an enhanced Universal
Asynchronous Receiver and Transmitter (UART) with
16 bytes of transmit and receive FIFOs, selectable
transmit and receive FIFO trigger levels, automatic
hardware and software flow control, and data rates of
up to 16 Mbps at 3.3V, 12.5 Mbps at 2.5V and 8 Mbps
at 1.8V with 4X sampling rate.
The Auto RS-485 Half-Duplex Direction control
feature simplifies both the hardware and software for
half-duplex RS-485 applications. In addition, the
Multidrop mode with Auto Address detection
increases the performance by simplifying the
software routines.
The Independent TX/RX Baud Rate Generator
feature allows the transmitter and receiver to operate
at different baud rates. Power consumption of the
M580 can be minmized by enabling the sleep mode
and PowerSave mode.
The M580 has a 16550 compatible register set that
provide users with operating status and control,
receiver error indications, and modem serial interface
controls. An internal loopback capability allows
onboard diagnostics. The M580 is available in 32-pin
QFN, 48-pin TQFP and 25-pin BGA packages. All
three packages offer both the 16 mode (Intel bus)
interface and the 68 mode (Motorola bus) interface
which allows easy integration with Motorola
processors.
NOTE: 1 Covered by U.S. Patent #5,649,122.
FEATURES
• Pin-to-pin compatible with XR16L580 in 32-QFN
and 48-TQFP packages
• Intel or Motorola Bus Interface select
• 16Mbps maximum data rate
• Selectable TX/RX trigger levels
• TX/RX FIFO Level Counters
• Independent TX/RX Baud Rate Generator
• Fractional Baud Rate Generator
• Auto RTS/CTS Hardware Flow Control
• Auto XON/XOFF Software Flow Control
• Auto RS-485 Half-Duplex Direction Control
• Multidrop mode w/ Auto Address Detect
• Sleep Mode with automatic wake-up
• Power Save mode
• Infrared (IrDA 1.0 and 1.1) mode
• 1.62V to 3.63V supply operation
• Crystal oscillator or external clock input
APPLICATIONS
• Personal Digital Assistants (PDA)
• Cellular Phones/Data Devices
• Battery-Operated Devices
• Global Positioning System (GPS)
• Bluetooth
FIGURE 1. XR16M580 BLOCK DIAGRAM
PwrSave
A2:A0
D7:D0
IOR#
IOW# (R/W#)
CS#
INT (IRQ#)
RESET
(RESET#)
16/68#
Intel or
M o to ro la
Data Bus
Interface
UART
UART 16 Byte TX FIFO
Regs TX &
IR
RX ENDEC
BRG 16 Byte RX FIFO
Crystal Osc/Buffer
VCC
(1.62 to 3.63 V)
GND
TX, RX,
RTS#, CTS#,
DTR#, DSR#,
RI#, CD#
XTAL1
XTAL2
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com
1 page | ||
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| PDF Descargar | [ Datasheet XR16M580.PDF ] | |
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