Nexus Development Interface (NDI)
MPC5510 Microcontroller Family Reference Manual, Rev. 1
Freescale Semiconductor
20-7
Preliminary
20.4.2
Register Descriptions
This section lists the NDI registers and describes the registers and their bit fields.
20.4.2.1
Nexus Device ID Register (DID)
The NPC device identification register, shown in
, allows the part revision number, design
center, part identification number, and manufacturer identity code of the device to be determined through
the auxiliary output port, and serially through TDO. This register is read-only.
0b0000
3
e200z0 development control2 (DC2)
0b0000
4
e200z0 development status (DS)
0b0000
7
Read/write access control/status (RWCS)
0b0000
9
Read/write access address (RWA)
0b0000
10
Read/write access data (RWD)
0b0000
11
e200z0 watchpoint trigger (PPC_WT)
1
Implemented in NPC block. All other registers implemented in e200z0 block. This register is not
used on the MPC5510.
Reg Index: 0
Access: User read only
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R
PRN
DC
PIN
W
Reset
1
1
Part Revision Number default value is 0x0 for the device’s initial mask set and changes for each mask set revision.
*
*
*
*
1
0
0
0
0
0
0
1
0
0
0
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
PIN (continued)
MIC
1
W
Reset
0
1
1
0
0
0
0
0
0
0
0
1
1
1
0
1
Figure 20-3. Nexus Device ID Register (DID)
Table 20-3. DID Field Descriptions
Field
Description
PRN
Part Revision Number. Contains the revision number of the part. This field changes with each revision of
the device or module.
DC
Design Center. Indicates the Freescale design center. This value is 0x20.
Table 20-2. Nexus Debug Interface Registers (continued)
Client Select
Index
Register