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MAX3100EPD Datasheet

  • MAX3100EPD

  • SPI MICROWIRE兼容UART，QSOP-16封裝

  • 24頁(yè)

  • MAXIM   MAXIM

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19-1259; Rev 0; 7/97
SPI/Microwire-Compatible
UART in QSOP-16
_______________General Description
The MAX3100 universal asynchronous receiver transmit-
ter (UART) is the first UART specifically optimized for
small microcontroller-based systems. Using an
SPI鈩?Microwire鈩?interface for communication with the
host microcontroller (碌C), the MAX3100 comes in a com-
pact 16-pin QSOP. The asynchronous I/O is suitable for
use in RS-232, RS-485, IR, and opto-isolated data links.
IR-link communication is easy with the MAX3100鈥檚
infrared data association (IrDA) timing mode.
The MAX3100 includes a crystal oscillator and a baud-
rate generator with software-programmable divider ratios
for all common baud rates from 300 baud to 230k baud.
A software- or hardware-invoked shutdown lowers quies-
cent current to 10碌A(chǔ), while allowing the MAX3100 to
detect receiver activity.
An 8-word-deep first-in/first-out (FIFO) buffer minimizes
processor overhead. This device also includes a flexible
interrupt with four maskable sources, including address
recognition on 9-bit networks. Two hardware-handshak-
ing control lines are included (one input and one output).
The MAX3100 is available in 14-pin plastic DIP and small,
16-pin QSOP packages in the commercial and extended
temperature ranges.
____________________________Features
o
16-Pin QSOP Package (8-pin SO footprint):
Smallest UART Available
o
Full-Featured UART:
鈥擨rDA SIR Timing Compatible
鈥?-Word FIFO Minimizes Processor
Overhead at High Data Rates
鈥擴(kuò)p to 230k Baud with a 3.6864MHz Crystal
鈥?-Bit Address-Recognition Interrupt
鈥擱eceive Activity Interrupt in Shutdown
o
SPI/Microwire-Compatible 碌C Interface
o
Lowest Power:
鈥?50碌A(chǔ) Operating Current at 3.3V
鈥?0碌A(chǔ) in Shutdown with Receive Interrupt
o
+2.7V to +5.5V Supply Voltage in Operating Mode
o
Schmitt-Trigger Inputs for Opto-Couplers
o
TX and
RTS
Outputs Sink 25mA for Opto-Couplers
MAX3100
______________Ordering Information
PART
MAX3100CPD
MAX3100CEE
MAX3100EPD
MAX3100EEE
TEMP. RANGE
0擄C to +70擄C
0擄C to +70擄C
-40擄C to +85擄C
-40擄C to +85擄C
PIN-PACKAGE
14 Plastic DIP
16 QSOP
14 Plastic DIP
16 QSOP
________________________Applications
Hand-Held Instruments
Intelligent Instrumentation
UART in SPI Systems
Small Networks in HVAC or Building Control
Isolated RS-232/RS-485: Directly Drives Opto-Couplers
Low-Cost IR Data Links for Computers/Peripherals
Typical Operating Circuit appears at end of data sheet.
__________________________________________________________Pin Configurations
TOP VIEW
DIN 1
DOUT 2
SCLK 3
CS 4
IRQ 5
SHDN 6
GND 7
14 V
CC
13 TX
12 RX
DIN 1
DOUT 2
SCLK 3
CS 4
N.C. 5
IRQ 6
SHDN 7
GND 8
16 V
CC
15 TX
14 RX
MAX3100
11 RTS
10 CTS
9
8
X1
X2
MAX3100
13 RTS
12 N.C.
11 CTS
10 X1
9
X2
DIP
QSOP
SPI is a trademark of Motorola, Inc. Microwire is a trademark of National Semiconductor Corp.
________________________________________________________________
Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.

MAX3100EPD 產(chǎn)品屬性

  • Maxim Integrated Products

  • 115.2 Kbps

  • 5.5 V

  • 2.7 V

  • 0.27 mA

  • + 85 C

  • - 40 C

  • PDIP-14

  • SPI/MICROWIRE-compatible UART

  • Through Hole

  • 2.7 V to 5.5 V

  • SPI/MICROWIRE-Compatible UART

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