105 serial port ip prescalar (ip_prescal), Ip_prescal), Descriptions – Texas Instruments TMS320C645X User Manual
Page 210: Section 5.105
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5.105
Serial Port IP Prescalar (IP_PRESCAL)
SRIO Registers
Figure 161. Serial Port IP Prescalar (IP_PRESCAL)
31-16
Reserved
R-0x00
LEGEND: R = Read only; -n = value after reset
15-8
7-0
Reserved
PRESCALE
R-0x00
RW-0x0F
LEGEND: R = Read only; -n = value after reset
Table 135. Serial Port IP Prescalar (IP_PRESCAL) Field Descriptions
Bit
Field
Value
Description
31-8
Reserved
Reserved
7-0
PRESCALE
For different frequencies of the DMA clock, use the formula: [DMA freq * 16/156.25 _ 1] to get the
prescalar value in decimal, where DMA freq is in MHz.
06h
66.67 MHz
09h
100MHz
10h
166.67MHz
...
18h
250MHz
...
21h
333Mhz
Serial RapidIO (SRIO)
210
SPRU976 – March 2006