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ST16C580CQ48 Datasheet

  • ST16C580CQ48

  • UART WITH 16-BYTE FIFO’s AND INFRARED (IrDA) ENCODER/DECODE...

  • 41頁(yè)

  • EXAR   EXAR

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ST16C580
UART WITH 16-BYTE FIFO鈥檚 AND
INFRARED (IrDA) ENCODER/DECODER
September 2003
GENERAL DESCRIPTION
The ST16C580
1
is a universal asynchronous receiver and transmitter (UART) and is pin compatible with the ST16C550
UART. The 580 is an enhanced UART with 16 byte FIFO鈥檚, automatic hardware/software flow control, and data rates
up to 1.5Mbps. Onboard status registers provide the user with error indications and operational status. Modem
interface control is included and can be optionally configured to operate with the Infrared (IrDA) encoder/decoder. The
system interrupts may be tailored to meet user requirements. An internal loop-back capability allows onboard
diagnostics. The 580 is available in 40 pin PDIP, 44 pin PLCC, and 48 pin TQFP packages. It is fabricated in an
advanced CMOS process to achieve low drain power and high speed requirements.
FEATURES
鈥?/div>
Pin to pin and functionally compatible to the Industry
Standard 16550
鈥?/div>
2.97 to 5.5 volt operation
鈥?/div>
1.5 Mbps transmit/receive operation (24MHz)
鈥?/div>
16 byte transmit FIFO
鈥?/div>
16 byte receive FIFO with error flags
鈥?/div>
Automatic hardware/software flow control
鈥?/div>
Programmable Xon/Xoff characters
鈥?/div>
Independent transmit and receive control
鈥?/div>
Software selectable Baud Rate Generator pre-
scaleable clock rates of 1X or 4X
鈥?/div>
Four selectable transmit/receive FIFO interrupt trig-
ger levels
鈥?/div>
Standard modem interface or Infrared IrDA encode/
decoder interface
鈥?/div>
Sleep mode ( 200碌A(chǔ) stand-by )
鈥?/div>
Low operating current ( 1.2mA typ.)
PLCC Package
-DSR
41
-CTS
40
39
38
37
36
35
VCC
N.C.
-CD
42
-RI
43
D4
D3
D2
D1
D0
D5
D6
D7
RCLK
RX
N.C.
TX
CS0
CS1
-CS2
-BAUDOUT
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
44
6
5
4
3
2
1
RESET
-OP1
-DTR
-RTS
-OP2
N.C.
INT
-RXRDY
A0
A1
A2
XR16C580CJ44
34
33
32
31
30
29
XTAL1
XTAL2
IOW
-IOW
GND
-IOR
-DDIS
ORDERING INFORMATION
Part number
Package
Operating temp
Device Status
ST16C580CP40
ST16C580CJ44
ST16C580CQ48
ST16C580IP40
ST16C580IJ44
ST16C580IQ48
40-Lead
44-Lead
48-Lead
40-Lead
44-Lead
48-Lead
PDIP
PLCC
TQFP
PDIP
PLCC
TQFP
0擄 C to + 70擄 C
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
-40擄 C to + 85擄 C
Discontinued.
Discontinued.
Active
Discontinued.
Discontinued.
Active
See the ST16C580CQ48 for a replacement.
See the ST16C580CQ48 for a replacement.
See the ST16C580IQ48 for a replacement.
See the ST16C580IQ48 for a replacement.
*Note 1 Covered by U.S. Patent #5,649,122.
Rev. 1.20
EXAR
Corporation, 48720 Kato Road, Fremont, CA 94538
鈥?/div>
(510) 668-7000
鈥?/div>
FAX (510) 668-7017
-TXRDY
N.C.
IOR
-AS

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