XR21V1414IM48-F Exar Corporation, XR21V1414IM48-F Datasheet - Page 16

• 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
The table below lists the block numbers for accessing each of the UART channels and the UART Manager..
2.1
UART Channel A
UART Channel B
UART Channel C
UART Channel D
UART Manager
UART Custom
B
XR_GETN_REG
SEND_BREAK
XR_SET_REG
CDC_ACM_IF
LOCK
UART Block Numbers
N
AME
N
AME
B
LOCK
R
0x66
EQUEST
0xC0
T
0x21
0x40
T
0
1
2
3
4
N
YPE
ABLE
UMBER
4: S
R
EQUEST
T
UPPORTED
35
0
1
ABLE
The configuration and control registers for UART channel A.
The configuration and control registers for UART channel B.
The configuration and control registers for UART channel C.
The configuration and control registers for UART channel D.
The control registers for the UART Manager. The UART Manager
enables/disables the TX and RX FIFOs for each UART.
Custom UART control registers. Enables / disables for wide mode, low
latency mode and custom interrupt packet.
5: C
LSB
val
val
0
V
ONTROL
USB C
ALUE
16
MSB
val
0
0
ONTROL
B
regis-
regis-
0, 2,
LOCKS
4, 6
ter
ter
I
NDEX
C
block
block count
OMMANDS
0
D
ESCRIPTION
LSB
0
0
L
ENGTH
count
MSB
0
0
block number: see
block number: see
Send a break for the speci-
Exar custom command: set
Exar custom register: get
val: 8-bit register value
Table 7 on page 18
Table 7 on page 18
register address: see
register address: see
count 8-bit registers
one 8-bit register
on page 16
on page 16
D
fied duration
ESCRIPTION
REV. 1.1.0
Table 5
Table 5