XR21V1414IM48-F Exar Corporation, XR21V1414IM48-F Datasheet - Page 2

• 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
F
IGURE
3.3V VCC
USBD+
USBD-
GND
1. XR21V1414 B
SDA
SCL
USB Slave
Oscillator
Interface
Interface
Internal
LOCK
48MHz
I
2
C
D
IAGRAM
Status and
Fractional
Registers
Internal
2
Control
BRG
UART Channel A
UART Channel B
UART Channel C
UART Channel D
(Same as Ch A)
(Same as Ch A)
(Same as Ch A)
Modem IO
128-byte
384-byte
RX FIFO
TX FIFO
GPIOs/
TXA
RXA
GPIOA5/RTSA#
GPIOA4/CTSA#
GPIOA3/DTRA#
GPIOA2/DSRA#
GPIOA1/CDA#
GPIOA0/RIA#
TXB
RXB
GPIOB[5:0]/ModemIO
TXC
RXC
GPIOC[5:0]/ModemIO
TXD
RXD
GPIOD[5:0]/ModemIO
REV. 1.1.0