xr82c684 Exar Corporation, xr82c684 Datasheet - Page 61

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

XR82C684
D.3.2 COUNTER MODE
D.4 External Inputs
Please note that the user
can specify whether a clock signal, applied to one of these
external inputs, is a 1X or a 16X clock signal; via the Clock
Select Registers (see below).
For a more detailed
discussion on the Input Port pins and their function,
please see Section E.
D.5 Clock Select Registers, CSRA, CSRB, CSRC,
and CSRD
Figure 32
Figure 32A
Table 14,
Table 15
Table 15A
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Table 15
Table 15A
Table 15
Table 15A
Table 14. Bit Format of the Clock Select Registers, CSRA and CSRB