XR17V354IB-E4-EVB Datasheet, PDF (34/67 Pages) Exar Corporation – HIGH PERFORMANCE QUAD PCI-EXPRESS UART

XR17V354
HIGH PERFORMANCE QUAD PCI-EXPRESS UART
FIGURE 10. BAUD RATE GENERATOR
To Other
Channels
125 MHz Clock
(Master)
or
62.5 MHz Clock
(Slave)
Prescaler
Divide by 1
Prescaler
Divide by 4
DLL, DLM and DLD
Registers
MCR Bit-7=0
(default)
Fractional Baud
Rate Generator
Logic
16X, 8X or 4X
Sampling
Rate Clock
to Transmitter
and Receiver
MCR Bit-7=1
REV. 1.0.4
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