xr88c92 Exar Corporation, xr88c92 Datasheet
xr88c92
Manufacturer Part Number
xr88c92
Description
Xr88c92 -dual Uart With 8 Bytes Transmit And Receive Fifo
Manufacturer
Exar Corporation
Datasheet
1.XR88C92.pdf
(32 pages)
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The XR88C92/192 is a Dual Universal Asynchronous Receiver and Transmitter with 8 (XR88C92) / 16 (XR88C192)
bytes transmit and receive FIFO. The XR88C92/192 is a pin and functional replacement for the SC26C92 and an
improved version of the Philips SCC2692 UART with faster data access and other additional features. The operating
speed of the receiver and transmitter can be selected independently from a table of eighteen fixed baud rates, a
16X clock derived from a programmable counter/timer, or an external 1X or 16X clock. The baud rate generator and
counter/timer can operate directly from a crystal or from external clock input. The XR88C92/192 provides a power-
down mode in which the oscillator is stopped but the register contents are retained. The XR88C92/192 is fabricated
in an advanced CMOS process to achieve low power and high speed requirements.
Added features in devices with top marking of "D2" and
• Pin to pin and functional compatible to SC26C92
• Enhanced Multidrop mode operation with separate
• 8 Bytes transmit/receive FIFO (XR88C92)
•16 Bytes transmit/receive FIFO (XR88C192)
• Standard baud rates from 50bps to 230.4kbps
• Non-standard baud rate of up to 1Mbps
• Transmit and Receive trigger levels
• Watch dog timer
• Programmable clock source for receiver and trans-
• Single interrupt output
• 7 Multipurpose inputs, 8 Multipurpose outputs
• 2.97 to 5.5 volt operation
• Programmable character lengths (5, 6, 7, 8)
• Parity, framing, and over run error detection
• Programmable 16-bit timer/counter
• On-chip crystal oscillator
• Power down mode
XR88C92IV
XR88C92CV
XR88C192IV
XR88C92IJ
XR88C192CV 44-Lead LQFP
XR88C192IJ
XR88C92CJ
XR88C192CJ 44-Lead PLCC
Part number
DESCRIPTION
FEATURES
newer:
• 5 volt tolerant inputs
storage for address and data tags (9th bit)
mitter of each channel
ORDERING INFORMATION
Rev. 1.33
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 • (510) 668-7000 • FAX (510) 668-7017
Package
44-Lead PLCC
44-Lead LQFP
44-Lead PLCC
44-Lead LQFP
44-Lead PLCC
44-Lead LQFP
Operating temperature Device Status
-40° C
-40° C
-40° C
-40° C
0° C
0° C
0° C
0° C
to
to
to
to
to
to
to
to
+ 70° C
+ 70° C
+ 85° C
+ 85° C
+ 70° C
+ 70° C
+ 85° C
+ 85° C
Active
Active
Active
Active
Active
Active
Active
Active
DUAL UNIVERSAL ASYNCHRONOUS
-IOW
-IOR
RXB
N.C.
OP1
OP3
OP5
OP7
TXB
IP0
A3
RECEIVER AND TRANSMITTER
10
11
12
13
14
15
16
17
7
8
9
PLCC Package
XR88C92/192
XR88C192
XR88C92
August 2005
39
38
37
36
35
34
33
32
31
30
29
-CS
RESET
XTAL2
XTAL1
RXA
N.C.
TXA
OP0
OP2
OP4
OP6
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