XR88C681CN/40 EXAR [Exar Corporation], XR88C681CN/40 Datasheet - Page 71

• Manufacturer Part Number: XR88C681CN/40
• Description: CMOS DUAL CHANNEL UART (DUART)
• Manufacturer: EXAR [Exar Corporation]

MR1n[7] - Receiver Request to Send Control
Figure 42
MR1n[6] - Receiver Interrupt Select
MR1n[5] - Error Mode Select
Bit 7
Channel Mode
Bit 6
Tx RTS
Control
Bit 5
Table 27. Mode Registers - MR2A, MR2B
CTS Enable
Bit 4
Tx
MR1n[4:3] - Parity Mode Select
MR1n[2] - Parity Type Select
MR1n[1:0] - Bits per Character Select
Mode Register 2 (Channels A and B)
Bit 3
Section H.2
Bit 2
Bit Length
XR88C681
Bit 1
Bit 0