Nexus Development Interface (NDI)
MPC5606S Microcontroller Reference Manual, Rev. 7
Freescale Semiconductor 967
Table 26-9 details the status bit encodings.
26.6.2.6 Read/Write Access Address (RWA)
The read/write access address register provides the system bus address to be accessed when initiating a
read or a write access.
26.6.2.7 Read/Write Access Data (RWD)
The read/write access data register provides the data to/from system bus memory-mapped locations 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 Table 26-9.
31
DV
Read/Write Access Data Valid. See Tabl e 26-9.
Table 26-9. 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
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
R
RWA[0-15]
W
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
R
RWA[16-31]
W
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Figure 26-9. Read/Write Access Address Register (RWA)
Table 26-8. RWCS field description (continued)
Field Description
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