XR16L580IM-F Exar Corporation, XR16L580IM-F Datasheet - Page 15

• Manufacturer Part Number: XR16L580IM-F
• Description: IC UART FIFO 16B 48TQFP
• Manufacturer: Exar Corporation

Specifications of XR16L580IM-F

• Number Of Channels: 1, UART
• Package / Case: 48-TQFP
• Features: *
• Fifo's: 16 Byte
• Protocol: RS232, RS422
• 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: 3.125 Mbps
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.25 V
• Supply Current: 2 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• No. Of Channels: 1
• Uart Features: Selectable RX And TX FIFO Trigger Levels, Automatic Software Flow Control, Complete Modem Interface
• Supply Voltage Range: 2.25V To 5.5V
• 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

REV. 1.4.1
F
F
IGURE
IGURE
Receive Data
Byte and Errors
10. R
11. R
16 bytes by 11-bit
16X Clock
ECEIVER
ECEIVER
wide
FIFO
16X Clock
and Errors
Data Byte
Receive
O
O
PERATION IN
PERATION IN NON
Receive Data Shift
Register (RSR)
SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
Data FIFO
Receive
LSR bits
FIFO
Receive
Tags in
Error
Data
4:2
-FIFO M
AND
Receive Data Shift
Register (RSR)
Holding Register
A
Receive Data
UTO
Validation
FIFO Trigger=8
ODE
Data falls to
Data Bit
Data fills to
(RHR)
RX FIFO trigger level selected at 8 bytes
Example
RTS F
14
4
15
:
LOW
RTS# re-asserts when data falls below the flow
control trigger level to restart remote transmitter.
Enable by EFR bit-6=1, MCR bit-1.
RTS# de-asserts when data fills above the flow
control trigger level to suspend remote transmitter.
Enable by EFR bit-6=1, MCR bit-1.
Validation
Data Bit
RHR Interrupt (ISR bit-2) programmed for
desired FIFO trigger level.
FIFO is Enabled by FCR bit-0=1
C
ONTROL
RHR Interrupt (ISR bit-2)
M
Receive Data Characters
ODE
Receive Data Characters
RXFIFO1
XR16L580
RXFIFO1