Programmer’s Model
MPC5200B Users Guide, Rev. 1
Freescale Semiconductor 9-31
9.7.3.5 LPC Rx /Tx FIFO Read Pointer Register—MBAR + 0x3C50
9.7.3.6 LPC Rx /Tx FIFO Write Pointer Register—MBAR + 0x3C54

Table9-22. LPC Rx /Tx FIFO Read Pointer Register

msb 012345678 9 101112131415
RReserved
W
RESET:000000000 0 0 000 0 0
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 lsb
RReserved
ReadPtr
W
RESET:000000000 0 0 000 0 0
Bits Name Description
0:22 — Reserved
23:31 ReadPtr Value is maintained by FIFO hardware and is NOT normally written. It can be adjusted in
special cases, but this disrupts data flow integrity. Value represents the Read address
presented to the FIFO RAM.

Table9-23. LPC Rx /Tx FIFO Write Pointer Register

msb 012345678 9 101112131415
RReserved
W
RESET:000000000 0 0 000 0 0
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 lsb
RReserved
WritePtr
W
RESET:000000000 0 0 000 0 0
Bits Name Description
0:22 — Reserved
23:31 WritePtr Value is maintained by FIFO hardware and is NOT normally written. It can be adjusted in
special cases, but this disrupts data flow integrity. Value represents the Read address
presented to the FIFO RAM.