MPC5645S datasheet(22/146 Pages) FREESCALE

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Qorivva MPC5645S Microcontroller Data Sheet, Rev. 8

Freescale Semiconductor

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16-bit modulus down counter with interrupt

1.4.33

Sound Generator Module (SGM)

The SGM features the following:

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4-channel audio mixer

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Each channel capable of independent Tone generation or Wave playback

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Individual channel volume control (8-bit resolution)

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Tone Mode:

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Programmable Tone frequency

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Programmable amplitude envelope: attack, duration, and decay

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Programmable number of tone pulses and inter-tone duration

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Wave Mode:

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One FIFO per channel working in conjunction with eDMA

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Supports standard audio sampling rates (4 kHz, 8 kHz, 11.025 kHz, 16 kHz, 22.050 kHz, 32 kHz, 44.100 kHz,

48 kHz)

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Same sample rate applies to all channels

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8-bit, 12-bit, 16-bit input data formats

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Programmable wave duration and inter-wave duration

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Repeat mode with programmable number of wave playbacks

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SGM Output:

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16-bit PWM channel

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Integrated I2S master interface for connection to external audio DAC

1.4.34

IEEE 1149.1 JTAG controller (JTAGC)

JTAGC features the following:

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Backward compatible to standard JTAG IEEE 1149.1-2001 test access port (TAP) interface

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Support for boundary scan testing

1.4.35

Nexus Development Interface (NDI)

The Nexus 3 module is compliant with Class 3 of the IEEE-ISTO 5001-2008 standard, with additional Class 4 features

available. The following features are implemented:

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Program Trace via Branch Trace Messaging (BTM). Branch trace messaging displays program flow discontinuities

(direct and indirect branches, exceptions, etc.), allowing the development tool to interpolate what transpires between

the discontinuities. Thus static code may be traced.

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Data Trace via Data Write Messaging (DWM) and Data Read Messaging (DRM). This provides the capability for the

development tool to trace reads and/or writes to selected internal memory resources.

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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 the development tool to trace ownership flow.

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Run-time access to embedded processor memory map via the JTAG port. This allows for enhanced download/upload

capabilities.

•

Watchpoint Messaging via the auxiliary pins provides visibility when debugging.

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Watchpoint Trigger enablement of Program and/or Data Trace Messaging enhances debug capability.

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