NXP Semiconductors PXN2020 - Page 1162

Nexus Development Interface (NDI)
PXN20 Microcontroller Reference Manual, Rev. 1
36-12 Freescale Semiconductor
Figure 36-4. Flow for Enabling e200z0 to put the e200z6 into Debug Mode
Process flow used to initialize z6 as “break request master”
and z0 as “break request slave”
This configuration causes the z0 to follow the z6 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 Z6 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, Z6 Multi
Z0
Z6