Freescale-semiconductor ColdFire MCF52210 Manual de usuario descargar pdf (Pagina 41)

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Signal Descriptions

MCF52211 ColdFire® Integrated Microcontroller Reference Manual, Rev. 2

Freescale Semiconductor 2-11

2.12 ADC Signals

Table 2-11 describes the signals of the analog-to-digital converter.

2.13 General Purpose Timer Signals

Table 2-12 describes the general purpose timer signals.

2.14 Pulse-Width Modulator Signals

Table 2-13 describes the PWM signals.

2.15 Debug Support Signals

The signals in Table 2-14 are used as the interface to the on-chip JTAG controller and also to interface to

the BDM logic.

Table 2-11. ADC Signals

Signal Name Abbreviation Function I/O

Analog Inputs AN[7:0] Inputs to the ADC. I

Analog Reference V

Reference voltage high and low inputs. I

Analog Supply V

DDA

Isolate the ADC circuitry from power supply noise —

SSA

—

Table 2-12. GPT Signals

Signal Name Abbreviation Function I/O

General Purpose Timer

Input/Output

GPT[3:0] Inputs to or outputs from the general purpose timer module I/O

Table 2-13. PWM Signals

Signal Name Abbreviation Function I/O

PWM Output Channels PWM[7:0] Pulse-width modulated output for PWM channels O

Table 2-14. Debug Support Signals

Signal Name Abbreviation Function I/O

JTAG Enable JTAG_EN Select between debug module and JTAG signals at reset I

Test Reset TRST

This active-low signal is used to initialize the JTAG logic

asynchronously.

Test Clock TCLK Used to synchronize the JTAG logic. I

Test Mode Select TMS Used to sequence the JTAG state machine. TMS is sampled on the

rising edge of TCLK.

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 575 576

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Freescale-semiconductor ColdFire MCF52210 Manual de usuario Pagina 41

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