The address for a UART Channel Configuration Register x in a UART Register Set for channel y
is:
PCI Base Address 0 (PCI Base Address for the UART Register Space)
+ UART Register Set Offset for channel y
+ Register Offset for register x
Addressing example:
The address for the LCR register of UART channel 2 is:
PCI Base Address
(PCI Base Address for the Device Configuration Space)
+ 0x0400
(Offset of the UART register set for serial channel 2)
+ 0x0003
(Offset of the LCR register within a UART register set)
For a detailed description of the serial channel registers please refer to the XR17D154 data sheet
which is available on the Exar website (
www.exar.com
).
TPMC467 User Manual Issue 1.0.4
Page 13 of 30
