Nexus
MPC5566 Microcontroller Reference Manual, Rev. 2
25-26 Freescale Semiconductor
25.10 e200z6 Class 3 Nexus Module (NZ6C3)
The NZ6C3 module provides real-time development capabilities for the device core in compliance with
the IEEE®-ISTO Nexus 5001-2003 standard. This module provides development support capabilities
without requiring the use of address and data pins for internal visibility.
25.10.1 Introduction
This section defines the auxiliary pin functions, transfer protocols and standard development features of
the NZ6C3 module. The development features supported are Program trace, data trace, watchpoint
messaging, ownership trace, and read/write access via the JTAG interface.
Reg Index: 0 Access: R/O
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R PRN DC PIN
W
Reset0000100000100010
1514131211109876543210
R PIN MIC 1
W
Reset0100000000011101
Figure 25-12. NDEDI Device ID Register (DID)
Table 25-17. NDEDI DID Register Field Descriptions
Field Description
31–28
PRN
Part revision number. Contains the revision number of the part. This field changes with each revision of the
device or module.
27–22
DC
Design center. Indicates the Freescale design center. This value is 0x20.
21–12
PIN
Part identification number. Contains the part number of the device. The PIN for the MPC5566 is 0x224.
11–1
MIC
Manufacturer identity code. Contains the reduced Joint Electron Device Engineering Council (JEDEC) ID
for Freescale, 0xE.
0 Fixed per JTAG 1149.1
1 Always set
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