📄 avr-options.html
字号:
<html lang="en"><head><title>Using the GNU Compiler Collection (GCC)</title><meta http-equiv="Content-Type" content="text/html"><meta name="description" content="Using the GNU Compiler Collection (GCC)"><meta name="generator" content="makeinfo 4.6"><!--Copyright © 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. <p>Permission is granted to copy, distribute and/or modify this documentunder the terms of the GNU Free Documentation License, Version 1.2 orany later version published by the Free Software Foundation; with theInvariant Sections being "GNU General Public License" and "FundingFree Software", the Front-Cover texts being (a) (see below), and withthe Back-Cover Texts being (b) (see below). A copy of the license isincluded in the section entitled "GNU Free Documentation License". <p>(a) The FSF's Front-Cover Text is: <p>A GNU Manual <p>(b) The FSF's Back-Cover Text is: <p>You have freedom to copy and modify this GNU Manual, like GNU software. Copies published by the Free Software Foundation raise funds for GNU development.--><meta http-equiv="Content-Style-Type" content="text/css"><style type="text/css"><!-- pre.display { font-family:inherit } pre.format { font-family:inherit } pre.smalldisplay { font-family:inherit; font-size:smaller } pre.smallformat { font-family:inherit; font-size:smaller } pre.smallexample { font-size:smaller } pre.smalllisp { font-size:smaller }--></style></head><body><div class="node"><p>Node: <a name="AVR%20Options">AVR Options</a>,Next: <a rel="next" accesskey="n" href="MCore-Options.html#MCore%20Options">MCore Options</a>,Previous: <a rel="previous" accesskey="p" href="NS32K-Options.html#NS32K%20Options">NS32K Options</a>,Up: <a rel="up" accesskey="u" href="Submodel-Options.html#Submodel%20Options">Submodel Options</a><hr><br></div><h3 class="subsection">AVR Options</h4><p>These options are defined for AVR implementations: <dl><dt><code>-mmcu=</code><var>mcu</var><code></code> <dd>Specify ATMEL AVR instruction set or MCU type. <p>Instruction set avr1 is for the minimal AVR core, not supported by the Ccompiler, only for assembler programs (MCU types: at90s1200, attiny10,attiny11, attiny12, attiny15, attiny28). <p>Instruction set avr2 (default) is for the classic AVR core with up to8K program memory space (MCU types: at90s2313, at90s2323, attiny22,at90s2333, at90s2343, at90s4414, at90s4433, at90s4434, at90s8515,at90c8534, at90s8535). <p>Instruction set avr3 is for the classic AVR core with up to 128K programmemory space (MCU types: atmega103, atmega603, at43usb320, at76c711). <p>Instruction set avr4 is for the enhanced AVR core with up to 8K programmemory space (MCU types: atmega8, atmega83, atmega85). <p>Instruction set avr5 is for the enhanced AVR core with up to 128K programmemory space (MCU types: atmega16, atmega161, atmega163, atmega32, atmega323,atmega64, atmega128, at43usb355, at94k). <br><dt><code>-msize</code> <dd>Output instruction sizes to the asm file. <br><dt><code>-minit-stack=</code><var>N</var><code></code> <dd>Specify the initial stack address, which may be a symbol or numeric value,<code>__stack</code> is the default. <br><dt><code>-mno-interrupts</code> <dd>Generated code is not compatible with hardware interrupts. Code size will be smaller. <br><dt><code>-mcall-prologues</code> <dd>Functions prologues/epilogues expanded as call to appropriatesubroutines. Code size will be smaller. <br><dt><code>-mno-tablejump</code> <dd>Do not generate tablejump insns which sometimes increase code size. <br><dt><code>-mtiny-stack</code> <dd>Change only the low 8 bits of the stack pointer. </dl> </body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -