XR21V1414IM48-F Exar Corporation, XR21V1414IM48-F Datasheet - Page 7

• 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

REV. 1.1.0
Pin Description
USB Interface Signals
I2C Interface Signals
GPIOD2/DSRD#
GPIOD3/DTRD#
GPIOD4/CTSD#
GPIOD5/RTSD#
USBD+
USBD-
N
SDA
SCL
AME
48-QFN
P
48
47
46
43
42
35
36
IN
3
#
T
OD
I/O
I/O
I/O
I/O
I/O
I/O
YPE
I
UART Channel D 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 D 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 D 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 D 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.
USB port differential data plus. This pin has a 1.5 K Ohm internal pull-up
resistor.
USB port differential data minus.
I
EEPROM can be used to store default configurations upon power-up
including the USB Vendor ID and Device ID. See
resisitor (typically 4.7 to 10 KOhms) is required.
If an EEPROM is not used, this pin can be used with the SCL pin to select
the Remote Wake-up and Power modes. An external pull-up or pull-down
resistor is required. See
I
used to store default configurations upon power-up including the USB
Vendor ID and Device ID. See
to 10 KOhms) is required.
If an EEPROM is not used, this pin can be used with the SDA pin to select
the Remote Wake-up and Power modes. An external pull-up or pull-down
resistor is required. See
2
2
C-controller data input/output (open-drain). An optional external I
C-controller serial input clock. An optional external I
7
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-
Table 2
Table 2
D
Table 3
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
.
.
4-CH FULL-SPEED USB UART
This pin has an internal pull-up
. A pull-up resisitor (typically 4.7
Table 3
2
C EEPROM can be
XR21V1414
. A pull-up
2
C