SPC564L54L5 datasheet(30/160 Pages) STMICROELECTRONICS

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Introduction

SPC56XL60/54

30/160

Doc ID 15457 Rev 8

1.5.37

Junction temperature sensor

The junction temperature sensor provides a value via an ADC channel that can be used by

software to calculate the device junction temperature.

The key parameters of the junction temperature sensor include:

●

Nominal temperature range from –40 to 150 °C

●

Software temperature alarm via analog ADC comparator possible

1.5.38

Nexus Port Controller (NPC)

The NPC module provides real-time development support capabilities for this device in

compliance with the IEEE-ISTO 5001-2003. This development support is supplied for MCUs

without requiring external address and data pins for internal visibility.

The NPC block interfaces to the host processor and internal buses to provide development

support as per the IEEE-ISTO 5001-2003 Class 3+, including selected features from Class

4 standard.

The development support provided includes program trace, data trace, watchpoint trace,

ownership trace, run-time access to the MCUs internal memory map and access to the

Power Architecture internal registers during halt. The Nexus interface also supports a JTAG

only mode using only the JTAG pins. The following features are implemented:

●

Full and reduced port modes

●

MCKO (message clock out) pin

●

4 or 12 MDO (message data out) pins(b)

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2 MSEO (message start/end out) pins

●

EVTO (event out) pin

–

Auxiliary input port

●

EVTI (event in) pin

●

5-pin JTAG port (JCOMP, TDI, TDO, TMS, and TCK)

–

Supports JTAG mode

●

Host processor (e200) development support features

–

Data trace via data write messaging (DWM) and data read messaging (DRM).

This allows the development tool to trace reads or writes, or both, to selected

internal memory resources.

–

Ownership trace via ownership trace messaging (OTM). OTM facilitates ownership

trace by providing visibility of which process ID or operating system task is

activated. An ownership trace message is transmitted when a new process/task is

activated, allowing development tools to trace ownership flow.

–

Program trace via branch trace messaging (BTM). Branch trace messaging

displays program flow discontinuities (direct branches, indirect branches,

exceptions, etc.), allowing the development tool to interpolate what transpires

between the discontinuities. Thus, static code may be traced.

4 MDO pins on LQFP144 package, 12 MDO pins on LFBGA257 package.

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