7721 Просмотр технического описания (PDF) - Renesas Electronics

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7721

16-BIT SINGLE-CHIP MICROCOMPUTER

Renesas Electronics 

BEFORE USING THIS MANUAL

1. Constitution

This user’s manual consists of the following chapters. Refer to the chapters relevant to the products.

q Chapter 1. DESCRIPTION through Chapter 16. APPLICATION

Functions which are common to the M37721S1BFP and the M37721S2BFP are explained, using the

M37721S2BFP as an example.

Differences between the M37721S1BFP and the M37721S2BFP are described as notes.

q Appendix

Practical information for using the 7721 Group is described.

2. Remark

q Product expansion

Refer to the latest catalog and data book, or contact the appropriate office, as listed in “CONTACT

ADDRESSES FOR FURTHER INFORMATION” on the last page.

q Electrical characteristics

Refer to the latest data book.

q Software

Refer to “7700 Family Software Manual.”

q Development support tools

Refer to the latest data book of the development support tools.

3. Signal levels in Figure

As a rule, signal levels in each operation example and timing diagram are as follows.

• Signal levels

The upper line indicates “1,” and the lower line indicates “0.”

• Input/output levels of pin

The upper line indicates “H,” and the lower line indicates “L.”

For the exception, the level is shown on the left side of a signal.

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