Nexus Development Interface (NDI)
MPC5510 Microcontroller Family Reference Manual, Rev. 1
Freescale Semiconductor
20-21
Preliminary
Figure 20-12. Nexus Event-Out Generated Break Request (5510) — Part 1
Process flow used to initialize z1 as
“break request master” and z0 as “break
request slave”
Basically, this configuration will cause
the z0 to follow the z1 into debug mode
Assert
System Reset
- Enable Nexus
- Select NPC PCR Register and
- Configure FPM, MCK_EN,
EVT_EN, and MCK fields.
- Access Nexus Dev Control Register 1
- Configure EOC Field (EVTO Control)
- Select ONcE DBCR0
- Set EDM Bit
- Select ONcE SNCR
(Shared Nexus Control Register)
- Configure NT bit field for Z1 Ownership
- Select ONcE Control Register (OCR)
- Set DR bit (request debug mode right
out of reset).
- Select ONcE Control Register (OCR)
- Set DR bit (request debug mode right
out of reset).
Negate
System Reset
NPC
Z0, Z1 Mult
Z0
Z1