XR19L200 반도체 회로 부품 판매점
SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
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 Exar Corporation |
www.DataSheet4U.com
PRELIMINARY
XR19L200
SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
APRIL 2006
REV. P1.0.2
GENERAL DESCRIPTION
The XR19L200 (L200) is a highly integrated device that
combines a single channel Universal Asynchronous
Receiver and Transmitter (UART) and an RS-232
transceiver. The L200 is designed to operate with a single
3.3V or 5V power supply. The L200 is fully compliant with
EIA/TIA-232-F Standards from a +3.0V to +5.5V power
supply. The device operates at 250 Kbps data rate with
worst case 3K ohms load. Both RS-232 driver outputs and
receiver inputs can operate in harsh electrical environments
of +/-15V without damage and can survive multiple +/-15kV
ESD on the RS-232 lines, while maintaining RS-232 output
levels.
The L200 operates in three different modes: Awake, Partial
Sleep, and Full Sleep. Each mode can be invoked via
hardware or software. In the Awake mode, all functions are
active. In the Partial Sleep mode, the internal crystal
oscillator or charge pump is turned off. In Full Sleep mode,
the internal crystal oscillator and the charge pump is shut
down. All the RS-232 receivers remain active in any of
these four modes.
APPLICATIONS
• Battery-Powered Equipment
• Handheld and Mobile Devices
• Handheld Terminals
• Industrial Peripheral Interfaces
• Point-of-Sale (POS) Systems
FEATURES
• Meets true EIA/TIA-232-F Standards from a 3.0 V to 5.5V
operation
• Up to 250 Kbps data transmission rate
• 45us sleep mode exit (charge pump to full power)
• ESD protection for RS-232 I/O pins at
■ +/-15kV - Human Body Model
■ +/-15kV - IEC 1000-4-2, Air-Gap Discharge
■ +/- 8kV - IEC 1000-4-2, Contact Discharge
• Software compatible with industry standard 16550 UART
• Intel/Motorola bus select
• Quarter-modem interface (TXD, RXD)
• Sleep modes to conserve battery power
• Wake-up interrupt upon exiting low power modes
FIGURE 1. BLOCK DIAGRAM
A2:A0
D7:D0
IOR#
IOW# (R/W#)
CS#
INT (IRQ#)
RESET (RESET#)
I/M#
Crystal
Osc/Buffer
BRG
16 Byte
TX FIFO
16 Byte
RX FIFO
TX
RX
*5 V
Tolerant
Inputs
UART
Modem
I/Os
XR19L200
Charge Pump
5K
VREF+
VREF-
TXD
RXD
RS-232 Transceiver
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com
XR19L200
PRELIMINARY
SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
FIGURE 2. PIN OUT OF THE DEVICE
REV. P1.0.2
VCC
32 31 30 29 28 27 26 25
RXD
I/M#
D5
GND
D6
D7
CS#
TXD
1
2
3
4
5
6
7
8
24 C1+
XR19L200
23
22
RESET
GND
Intel Bus Mode 21 INT
32-pin QFN
20 A0
19 A1
18 A2
17 VREF-
9 10 11 12 13 14 15 16
32 31 30 29 28 27 26 25
GND
RXD
I/M#
D5
GND
D6
D7
CS#
TXD
1 24
2 23
3 XR19L200 22
4 Motorola Bus Mode 21
5 32-pin QFN 20
6 19
7 18
8 17
9 10 11 12 13 14 15 16
C1+
RESET#
GND
IRQ#
A0
A1
A2
VREF -
ORDERING INFORMATION
PART NUMBER
XR19L200IL32
PACKAGE
32-QFN
OPERATING TEMPERATURE RANGE
-40°C to +85°C
DEVICE STATUS
Active
2
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제조업체: Exar Corporation
( exar )
XR19L200 transceiver
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국내 전력반도체 판매점
상호 : 아이지 인터내셔날
전화번호 : 051-319-2877
[ 홈페이지 ]
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( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )
전력반도체 문의 : 010-3582-2743
관련 데이터시트
XR19L200
SINGLE CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER - Exar Corporation
XR19L202
TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER - Exar Corporation