XR16L2750IM-F Exar Corporation, XR16L2750IM-F Datasheet - Page 20
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XR16L2750IM-F
Manufacturer Part Number
XR16L2750IM-F
Description
IC UART FIFO 64B DUAL 48TQFP
Manufacturer
Exar Corporation
Type
IrDA or RS- 485r
Datasheet
1.XR16L2750CM-F.pdf
(48 pages)
Specifications of XR16L2750IM-F
Number Of Channels
2, DUART
Package / Case
48-TQFP
Features
*
Fifo's
64 Byte
Protocol
RS232, RS485
Voltage - Supply
2.25 V ~ 5.5 V
With Auto Flow Control
Yes
With Irda Encoder/decoder
Yes
With False Start Bit Detection
Yes
With Modem Control
Yes
With Cmos
Yes
Mounting Type
Surface Mount
Data Rate
6.25 Mbps
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.25 V
Supply Current
5 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Operating Supply Voltage
2.5 V or 3.3 V or 5 V
No. Of Channels
2
Uart Features
Tx/Rx FIFO Counters
Supply Voltage Range
2.25V To 5.5V
Operating Temperature Range
-40°C To +85°C
Digital Ic Case Style
TQFP
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
1016-1280
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XR16L2750IM-F
Manufacturer:
Exar Corporation
Quantity:
10 000
Part Number:
XR16L2750IM-F
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
XR16L2750
2.25V TO 5.5V DUART WITH 64-BYTE FIFO
Each of the UART channel in the 2750 has its own set of configuration registers selected by address lines A0,
A1 and A2 with CSA# or CSB# selecting the channel. The complete register set is shown on
Table
3.0 UART INTERNAL REGISTERS
8.
A
A2 A1 A0
DDRESSES
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
1
1
1
1
0
0 0
0 1
0 0
0 1
0 1
1 0
1 1
0 0
0 1
1 0
1 1
1 1
1 1
0 0
0 1
1 0
0 0
0 1
1 0
1 1
0 0
T
ABLE
RHR - Receive Holding Register
THR - Transmit Holding Register
DLL - Div Latch Low Byte
DLM - Div Latch High Byte
DREV - Device Revision Code
DVID - Device Identification Code
IER - Interrupt Enable Register
ISR - Interrupt Status Register
FCR - FIFO Control Register
LCR - Line Control Register
MCR - Modem Control Register
LSR - Line Status Register
Reserved
MSR - Modem Status Register
Reserved
SPR - Scratch Pad Register
FLVL - RX/TX FIFO Level Counter Register
EMSR - Enhanced Mode Select Register
TRG - RX/TX FIFO Trigger Level Register
FC - RX/TX FIFO Level Counter Register
FCTR - Feature Control Register
EFR - Enhanced Function Register
Xon-1 - Xon Character 1
Xon-2 - Xon Character 2
Xoff-1 - Xoff Character 1
Xoff-2 - Xoff Character 2
7: UART CHANNEL A AND B UART INTERNAL REGISTERS
16C550 C
R
EGISTER
E
NHANCED
OMPATIBLE
20
R
EGISTERS
R
EGISTERS
R
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read-only
Write-only
Read-only
Read-only
Read-only
Write-only
Read-only
Write-only
Read-only
Write-only
Read-only
Write-only
Write-only
Read-only
EAD
/W
RITE
LCR ≠ 0xBF, FCTR[6] = 0
LCR ≠ 0xBF, FCTR[6] = 1
LCR[7] = 1, LCR ≠ 0xBF
LCR[7] = 1, LCR ≠ 0xBF
DLL, DLM = 0x00,
LCR ≠ 0xBF
LCR ≠ 0xBF
LCR = 0xBF
C
LCR[7] = 0
LCR[7] = 0
xr
OMMENTS
Table 7
REV. 1.2.1
and