XR82C684J/44-F Exar Corporation, XR82C684J/44-F Datasheet - Page 95

• Manufacturer Part Number: XR82C684J/44-F
• Description: Quad Channel UART
• Manufacturer: Exar Corporation

Specifications of XR82C684J/44-F

• Features: *
• Number Of Channels: 4, QUART
• Fifo's: 3 Byte
• Voltage - Supply: 5V
• Mounting Type: Surface Mount
• Package / Case: 44-LCC (J-Lead)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

I. COMMENTS ABOUT THE XR82C684 IN 44 PIN
PLCC


J. PROGRAMMING
Rx RTS Con-
Bit 7
Bit 7
Bit 7
trol
Channel Mode
Rx Int Select
Receiver Clock Select
Bit 6
Bit 6
Bit 6
Table 30. Clock Select Registers: CSRA, CSRB, CSRC, CSRD
Table 28. Mode Registers 1: MR1A, MR1B, MR1C, MR1D
Table 6
Table 29. Mode Register 2: MR2A, MR2B, MR2C, MR2D
Error Mode
Tx RTS
Control
Bit 5
Bit 5
Bit 5
CTS Enable
Bit 4
Bit 4
Tx
Bit 4
Parity Mode
Select
Bit 3
Bit 3
Bit 3
Table 1
NO TAG
Transmitter Clock Select
Select
Bit 2
Bit 2
Parity
Bit 2
Stop Bit Length
Table 6
XR82C684
Number of Bits/Char.
Bit 1
Bit 1
Bit 1
Bit 0
Bit 0
Bit 0