XR21V1412IL32-F Exar Corporation, XR21V1412IL32-F Datasheet - Page 14

• Manufacturer Part Number: XR21V1412IL32-F
• Description: IC UART FIFO USB DUAL 32QFN
• Manufacturer: Exar Corporation
• Type: USB UARTsr

Specifications of XR21V1412IL32-F

• Package / Case: 32-VFQFN Exposed Pad
• Features: *
• Number Of Channels: 2, DUART
• Fifo's: 128 Byte, 384 Byte
• Protocol: USB 2.0
• Voltage - Supply: 2.97 V ~ 3.63 V
• 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: 2
• 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: 1016-1301 - EVAL BOARD FOR XR21V1412IL
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 1016-1302

XR21V1412
2-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 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
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 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
14
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
register address: see
register address: see
count 8-bit registers
one 8-bit register
D
fied duration
ESCRIPTION
Table 7
Table 7
REV. 1.1.0
Table 5
Table 5