XR21V1414IM48-F Exar Corporation, XR21V1414IM48-F Datasheet - Page 4

• Manufacturer Part Number: XR21V1414IM48-F
• Description: IC UART FIFO USB QUAD 48TQFP
• Manufacturer: Exar Corporation
• Type: USB UARTsr

Specifications of XR21V1414IM48-F

• Package / Case: 48-TQFP
• Features: *
• Number Of Channels: 1, UART
• Fifo's: 128 Byte
• Protocol: USB 2.0
• Voltage - Supply: 3.3V
• With Auto Flow Control: Yes
• Mounting Type: Surface Mount
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Supply Current: 16 mA
• Operating Supply Voltage: 2.97 V to 3.63 V
• No. Of Channels: 4
• Data Rate: 12Mbps
• Uart Features: Automatic Hardware And Software Flow Control, Half-Duplex Mode, Fractional Baud Rate Generator
• Supply Voltage Range: 2.97V To 3.63V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 1016-1303 - EVAL BOARD FOR XR21V1414IM
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 1016-1304

XR21V1414
4-CH FULL-SPEED USB UART
PIN DESCRIPTIONS
Pin Description
UART Channel A Signals
UART Channel B Signals
GPIOA2/DSRA#
GPIOA3/DTRA#
GPIOA4/CTSA#
GPIOA5/RTSA#
GPIOA1/CDA#
GPIOA0/RIA#
N
RXA
TXA
RXB
AME
48-QFN
P
31
30
21
20
17
16
IN
7
6
9
#
T
I/O
I/O
I/O
I/O
I/O
I/O
YPE
O
I
I
UART Channel A Receive Data or IR Receive Data. This pin has an inter-
nal pull-up resistor. Internal pull-up resistor is not disabled during suspend
mode.
UART Channel A Transmit Data or IR Transmit Data.
UART Channel A general purpose I/O or UART Ring-Indicator input
(active low) or Remote Wakeup Input (
Wakeup” on page 14.
is disabled during suspend mode. If using this GPIO as an input, an exter-
nal pull-up resistor is required to minimize the power consumption in the
suspend mode.
UART Channel A general purpose I/O or UART Carrier-Detect input
(active low). This pin has an internal pull-up resistor which is disabled dur-
ing suspend mode. If using this GPIO as an input, an external pull-up
resistor is required to minimize the power consumption in the suspend
mode.
UART Channel A general purpose I/O or UART Data-Set-Ready input
(active low).
Flow Control” on page 13.
which is disabled during suspend mode. If using this GPIO as an input, an
external pull-up resistor is required to minimize the power consumption in
the suspend mode.
UART Channel A general purpose I/O or UART Data-Terminal-Ready out-
put (active low).
ware Flow Control” on page 13.
resistor which is disabled during suspend mode. If using this GPIO as an
input, an external pull-up resistor is required to minimize the power con-
sumption in the suspend mode.
UART Channel A general purpose I/O or UART Clear-to-Send input
(active low).
Flow Control” on page 12.
which is disabled during suspend mode. If using this GPIO as an input, an
external pull-up resistor is required to minimize the power consumption in
the suspend mode.
UART Channel A general purpose I/O or UART Request-to-Send output
(active low).
Flow Control” on page 12.
which is disabled during suspend mode. If using this GPIO as an input, an
external pull-up resistor is required to minimize the power consumption in
the suspend mode.
UART Channel B Receive Data or IR Receive Data. This pin has an inter-
nal pull-up resistor. Internal pull-up resistor is not disabled during suspend
mode.
4
See ”Section 1.5.5, Automatic DTR/DSR Hardware
See ”Section 1.5.4, Automatic RTS/CTS Hardware
See ”Section 1.5.4, Automatic RTS/CTS Hardware
See ”Section 1.5.5, Automatic DTR/DSR Hard-
). This pin has an internal pull-up resistor which
D
ESCRIPTION
This pin has an internal pull-up resistor
This pin has an internal pull-up resistor
This pin has an internal pull-up resistor
See ”Section 1.5.11, Remote
This pin has an internal pull-up
REV. 1.1.0