xr82c684 Exar Corporation, xr82c684 Datasheet - Page 70

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

Note: “Shaded” Input Port pin and Alternate Functions are only available in the 68 Pin PLCC package.
E.2 Input Port Configuration Registers (IPCR1 and
IPCR2)
XR82C684
Input Port
Bit 7
Note: This input is Active Low for the CTS func-
tion.
Bit 6
Alternate Function(s)
Table 17. Listing of Alternate Function for the Input Port
Table 18. Input Port Configuration Register 1 - IPCR1
Bit 5
Bit 4
Bit 3
Approach to Program Alternate Functions
Section D.2
Bit 2
Section G.3
Section G.3
Bit 1
Bit 0