XR16V794IV-F Exar Corporation, XR16V794IV-F Datasheet - Page 25

• Manufacturer Part Number: XR16V794IV-F
• Description: 3.3V HIGH PERFORMANCE QUAD UART
• Manufacturer: Exar Corporation

Specifications of XR16V794IV-F

• Features: *
• Number Of Channels: 4, QUART
• Fifo's: 64 Byte
• Protocol: RS485
• Voltage - Supply: 2.25 V ~ 3.6 V
• With Auto Flow Control: Yes
• With Irda Encoder/decoder: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REV. 1.0.1
Device identification for the type of UART. The Device ID for the V794 is 0x44.
Examples:
XR16V794 = 0x44
XR16L784 = 0x24
Revision number of the XR16V794. A 0x01 represents "revision-A" with 0x02 for rev-B and so forth.
REGB[0]: Simultaneous write to all 4 UARTs
•
•
REGB[7:1]
Reserved.
3.1.7.1
3.1.7.2
3.1.8
Logic 0 = Write to each UART configuration register individually (default).
Logic 1 = Enable simultaneous write to all 4 UART configuration registers. This can be very useful during
device initialization in the power-up and reset routines.
REGB [7:0] (default 0x00)
DVID [7:0] (default 0x48)
DREV [7:0] (default (0x01)
HIGH PERFORMANCE 2.25V TO 3.6V QUAD UART WITH FRACTIONAL BAUD RATE
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XR16V794