xr82c684 Exar Corporation, xr82c684 Datasheet - Page 96

• Manufacturer Part Number: xr82c684
• Description: Cmos Quad Channel Uart Quart
• Manufacturer: Exar Corporation

XR82C684
Received
BRG Set
Select
Break
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
OP7
OP7
Miscellaneous Commands
Framing
Counter/Timer #1 Mode and Source
Error
Bit 6
Bit 6
Bit 6
Bit 6
Bit 6
OP6
OP6
Table 33. Output Port Configuration Register 1: OPCR1
Table 34. Output Port Configuration Register 2: OPCR2
Table 31. Command Registers: CRA, CRB, CRC, CRD
Section B.2
Parity Error
Table 32. Status Registers: SRA, SRB, SRC, SRD
Table 35. Auxiliary Control Register 1: ACR1
Bit 5
Bit 5
Bit 5
Table 13
Bit 5
Bit 5
OP5
OP5
Overrun
Error
Bit 4
Bit 4
Bit 4
Bit 4
Bit 4
OP4
OP4
Delta IP3
Interrupt
TXEMT
Bit 3
Bit 3
Bit 3
Enable/Disable Tx
Bit 3
Bit 3
OP3
OP3
Delta IP2
Interrupt
TXRDY
Bit 2
Bit 2
Bit 2
Bit 2
Bit 2
Delta IP1
Interrupt
FFULL
Bit 1
Bit 1
Bit 1
Enable/Disable Rx
Bit 1
Bit 1
OP2
OP2
Delta IP0
Interrupt
RXRDY
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0