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| <a name="AVR-Options"></a> |
| <div class="header"> |
| <p> |
| Next: <a href="AVR-Syntax.html#AVR-Syntax" accesskey="n" rel="next">AVR Syntax</a>, Up: <a href="AVR_002dDependent.html#AVR_002dDependent" accesskey="u" rel="up">AVR-Dependent</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p> |
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| <a name="Options-4"></a> |
| <h4 class="subsection">9.5.1 Options</h4> |
| <a name="index-AVR-options-_0028none_0029"></a> |
| <a name="index-options-for-AVR-_0028none_0029"></a> |
| |
| <dl compact="compact"> |
| <dd> |
| <a name="index-_002dmmcu_003d-command-line-option_002c-AVR"></a> |
| </dd> |
| <dt><code>-mmcu=<var>mcu</var></code></dt> |
| <dd><p>Specify ATMEL AVR instruction set or MCU type. |
| </p> |
| <p>Instruction set avr1 is for the minimal AVR core, not supported by the C |
| compiler, only for assembler programs (MCU types: at90s1200, |
| attiny11, attiny12, attiny15, attiny28). |
| </p> |
| <p>Instruction set avr2 (default) is for the classic AVR core with up to |
| 8K program memory space (MCU types: at90s2313, at90s2323, at90s2333, at90s2343, |
| attiny22, attiny26, at90s4414, at90s4433, at90s4434, at90s8515, at90c8534, |
| at90s8535). |
| </p> |
| <p>Instruction set avr25 is for the classic AVR core with up to 8K program memory |
| space plus the MOVW instruction (MCU types: attiny13, attiny13a, attiny2313, |
| attiny2313a, attiny24, attiny24a, attiny4313, attiny44, attiny44a, attiny84, |
| attiny84a, attiny25, attiny45, attiny85, attiny261, attiny261a, attiny461, |
| attiny461a, attiny861, attiny861a, attiny87, attiny43u, attiny48, attiny88, |
| attiny828, at86rf401, ata6289, ata5272). |
| </p> |
| <p>Instruction set avr3 is for the classic AVR core with up to 128K program |
| memory space (MCU types: at43usb355, at76c711). |
| </p> |
| <p>Instruction set avr31 is for the classic AVR core with exactly 128K program |
| memory space (MCU types: atmega103, at43usb320). |
| </p> |
| <p>Instruction set avr35 is for classic AVR core plus MOVW, CALL, and JMP |
| instructions (MCU types: attiny167, attiny1634, at90usb82, at90usb162, |
| atmega8u2, atmega16u2, atmega32u2, ata5505). |
| </p> |
| <p>Instruction set avr4 is for the enhanced AVR core with up to 8K program |
| memory space (MCU types: atmega48, atmega48a, atmega48pa, atmega48p, atmega8, |
| atmega8a, atmega88, atmega88a, atmega88p, atmega88pa, atmega8515, atmega8535, |
| atmega8hva, at90pwm1, at90pwm2, at90pwm2b, at90pwm3, at90pwm3b, at90pwm81, |
| ata6285, ata6286). |
| </p> |
| <p>Instruction set avr5 is for the enhanced AVR core with up to 128K program |
| memory space (MCU types: at90pwm161, atmega16, atmega16a, atmega161, atmega162, |
| atmega163, atmega164a, atmega164p, atmega164pa, atmega165, atmega165a, |
| atmega165p, atmega165pa, atmega168, atmega168a, atmega168p, atmega168pa, |
| atmega169, atmega169a, atmega169p, atmega169pa, atmega32, atmega323, atmega324a, |
| atmega324p, atmega324pa, atmega325, atmega325a, atmega32, atmega32a, atmega323, |
| atmega324a, atmega324p, atmega324pa, atmega325, atmega325a, atmega325p, |
| atmega325p, atmega325pa, atmega3250, atmega3250a, atmega3250p, atmega3250pa, |
| atmega328, atmega328p, atmega329, atmega329a, atmega329p, atmega329pa, |
| atmega3290a, atmega3290p, atmega3290pa, atmega406, atmega64, atmega64a, |
| atmega64rfr2, atmega644rfr2, atmega640, atmega644, atmega644a, atmega644p, |
| atmega644pa, atmega645, atmega645a, atmega645p, atmega6450, atmega6450a, |
| atmega6450p, atmega649, atmega649a, atmega649p, atmega6490, atmega6490a, |
| atmega6490p, atmega16hva, atmega16hva2, atmega16hvb, atmega16hvbrevb, |
| atmega32hvb, atmega32hvbrevb, atmega64hve, at90can32, at90can64, at90pwm161, |
| at90pwm216, at90pwm316, atmega32c1, atmega64c1, atmega16m1, atmega32m1, |
| atmega64m1, atmega16u4, atmega32u4, atmega32u6, at90usb646, at90usb647, at94k, |
| at90scr100, ata5790, ata5795). |
| </p> |
| <p>Instruction set avr51 is for the enhanced AVR core with exactly 128K |
| program memory space (MCU types: atmega128, atmega128a, atmega1280, |
| atmega1281, atmega1284, atmega1284p, atmega128rfa1, atmega128rfr2, |
| atmega1284rfr2, at90can128, at90usb1286, at90usb1287, m3000). |
| </p> |
| <p>Instruction set avr6 is for the enhanced AVR core with a 3-byte PC |
| (MCU types: atmega2560, atmega2561, atmega256rfr2, atmega2564rfr2). |
| </p> |
| <p>Instruction set avrxmega2 is for the XMEGA AVR core with 8K to 64K |
| program memory space and less than 64K data space (MCU types: |
| atxmega16a4, atxmega16a4u, atxmega16c4, atxmega16d4, atxmega16x1, |
| atxmega32a4, atxmega32a4u, atxmega32c4, atxmega32d4, atxmega16e5, |
| atxmega8e5, atxmega32e5, atxmega32x1). |
| </p> |
| <p>Instruction set avrxmega3 is for the XMEGA AVR core with 8K to 64K |
| program memory space and greater than 64K data space (MCU types: |
| none). |
| </p> |
| <p>Instruction set avrxmega4 is for the XMEGA AVR core with up to 64K |
| program memory space and less than 64K data space (MCU types: |
| atxmega64a3, atxmega64a3u, atxmega64a4u, atxmega64b1, atxmega64b3, |
| atxmega64c3, atxmega64d3, atxmega64d4). |
| </p> |
| <p>Instruction set avrxmega5 is for the XMEGA AVR core with up to 64K |
| program memory space and greater than 64K data space (MCU types: |
| atxmega64a1, atxmega64a1u). |
| </p> |
| <p>Instruction set avrxmega6 is for the XMEGA AVR core with larger than |
| 64K program memory space and less than 64K data space (MCU types: |
| atxmega128a3, atxmega128a3u, atxmega128c3, atxmega128d3, atxmega128d4, |
| atxmega192a3, atxmega192a3u, atxmega128b1, atxmega128b3, atxmega192c3, |
| atxmega192d3, atxmega256a3, atxmega256a3u, atxmega256a3b, |
| atxmega256a3bu, atxmega256c3, atxmega256d3, atxmega384c3, |
| atxmega256d3). |
| </p> |
| <p>Instruction set avrxmega7 is for the XMEGA AVR core with larger than |
| 64K program memory space and greater than 64K data space (MCU types: |
| atxmega128a1, atxmega128a1u, atxmega128a4u). |
| </p> |
| <p>Instruction set avrtiny is for the ATtiny4/5/9/10/20/40 |
| microcontrollers. |
| </p> |
| <a name="index-_002dmall_002dopcodes-command-line-option_002c-AVR"></a> |
| </dd> |
| <dt><code>-mall-opcodes</code></dt> |
| <dd><p>Accept all AVR opcodes, even if not supported by <code>-mmcu</code>. |
| </p> |
| <a name="index-_002dmno_002dskip_002dbug-command-line-option_002c-AVR"></a> |
| </dd> |
| <dt><code>-mno-skip-bug</code></dt> |
| <dd><p>This option disable warnings for skipping two-word instructions. |
| </p> |
| <a name="index-_002dmno_002dwrap-command-line-option_002c-AVR"></a> |
| </dd> |
| <dt><code>-mno-wrap</code></dt> |
| <dd><p>This option reject <code>rjmp/rcall</code> instructions with 8K wrap-around. |
| </p> |
| <a name="index-_002dmrmw-command-line-option_002c-AVR"></a> |
| </dd> |
| <dt><code>-mrmw</code></dt> |
| <dd><p>Accept Read-Modify-Write (<code>XCH,LAC,LAS,LAT</code>) instructions. |
| </p> |
| </dd> |
| </dl> |
| |
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| Next: <a href="AVR-Syntax.html#AVR-Syntax" accesskey="n" rel="next">AVR Syntax</a>, Up: <a href="AVR_002dDependent.html#AVR_002dDependent" accesskey="u" rel="up">AVR-Dependent</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p> |
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