PXR40 datasheet(51/100 Pages) FREESCALE

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9 This signal name includes eTPU_C functionality that this device does not have. This is for forward compatibility with devices that have an eTPU_C.

10 During and just after POR negates, internal pull resistors can be enabled, resulting in as much as 4 mA of current draw. The pull resistors are disabled when

the system clock propagates through the device.

11 NMI does not have a PCR PA configuration; it is enabled when NMI is enabled through the SIU_IREER and SIU_IFEER registers.

12 Nexus reset is different than system reset; MDO 1-11 are enabled when trace (RPM or FPM) is enabled, and MDO 12-15 when FPM trace is enabled. MSEO

and MCKO are also dependent on trace (RPM or FPM) being enabled.

13 The Nexus pins don’t have a “primary” function as they are not configured by the SIU. The pins are selected by asserting JCOMP and configuring the NPC.

SIU values have no effect on the function of these pins once enabled.

14 MCKO is disabled from reset; it can be enabled from the tool (controlled by Nexus NPC_PCR register).

15 Do not connect pin directly to a power supply or ground.

PXR40 Datasheet(PDF) 51 Page - Freescale Semiconductor, Inc

PXR40 Datasheet(HTML) 51 Page - Freescale Semiconductor, Inc

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