MPC5604B/C Microcontroller Reference Manual, Rev. 8
Freescale Semiconductor 813
Table 33-9 details the status bit encodings.
33.6.2.6 Read/Write Access Address (RWA) Register
The read/write access address register provides the system bus address to be accessed when initiating a
read or a write access.
16–31
CNT[13:0]
Access Control Count
Number of accesses of word size SZ
30
ERR
Read/Write Access Error
See Tabl e 33-9.
31
DV
Read/Write Access Data Valid
See Tabl e 33-9.
Table 33-9. Read/Write Access Status Bit Encoding
Read Action Write Action ERR DV
Read access has not completed Write access completed without error 0 0
Read access error has occurred Write access error has occurred 1 0
Read access completed without error Write access has not completed 0 1
Not allowed Not allowed 1 1
Nexus Reg: 0x0009 Access: User read/write
0123456789101112131415
R RWA[0-15]
W
Reset0000000000000000
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
R RWA[16-31]
W
Reset0000000000000000
Figure 33-9. Read/Write Access Address (RWA) Register
Table 33-8. RWCS field descriptions (continued)
Field Description