M32CSLASH86 datasheet(285/505 Pages) RENESAS

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Page 262

22. Intelligent I/O

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22. Intelligent I/O

The intelligent I/O is a multifunctional I/O port for time measurement, waveform generating, clock synchro-

nous serial I/O, clock asynchronous serial I/O (UART), HDLC data processing and more.

The intelligent I/O has one 16-bit base timer for free-running operation, eight 16-bit registers for time mea-

surement and waveform generating and two sets of two 8-bit shift registers for communications.

Table 22.1 lists functions and channels of the intelligent I/O.

Table 22.1 Intelligent I/O Functions and Channels

Function

Description

Time Measurement(1)

8 channels

Digital Filter

8 channels

Trigger Input Prescaler

2 channels (channel 6 and channel 7)

Trigger Input Gate

2 channels (channel 6 and channel 7)

Waveform Generating(1)

8 channels

Single-Phase Waveform Output Mode

8 channels

Phase-Delayed Waveform Output Mode 8 channels

SR Waveform Output Mode

8 channels

Communication

Communication unit 0

Communication unit 1

Clock Synchronous Serial I/O Mode

Available

UART Mode

Not Available

Available

HDLC Data Processing Mode

Available

Stepping Motor Control

4 outputs x 4 sets

NOTES:

1. The time measurement function and the waveform generating function share a pin.

The time measurement function and waveform generating function can be selected for each channel.

The communication function is available by a combining multiple channels.

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