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Старый 06.11.2013, 13:30   #1
Sherkhan
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По умолчанию

подскажите, пожалуйста подойдет ли данная микросхема в оперативку: k4h280838f?

http://www.allcomponents.ru/samsung/k4h280838f.htm

Я не силет в этом
Тут где-то проскакивало про 16 битную, а это кажется 8битная: 4M x 8Bit x 4 Banks Double Data Rate SDRAM
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Старый 12.11.2013, 23:49   #2
paulerr
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Сообщение от Sherkhan Посмотреть сообщение
подскажите, пожалуйста подойдет ли данная микросхема в оперативку: k4h280838f?
Нет, надо 16 бит. У Самсунга это будет K4Hxx16xx

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Сообщение от artemka181 Посмотреть сообщение
Какие ещё есть аналоги, которые можно купить в магазине ? Кроме эбея и тд.
В каких магазинах? Ищите только в корпусе SOIC-8

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Сообщение от Dioptimizer Посмотреть сообщение
Подходит только то, что записано в драйвер:
Код:
/* NOTE: double check command sets and memory organization when you add
 * more flash chips.  This current list focusses on newer chips, which
 * have been converging on command sets which including JEDEC ID.
 */
static const struct spi_device_id m25p_ids[] = {
	/* Atmel -- some are (confusingly) marketed as "DataFlash" */
	{ "at25fs010",  INFO(0x1f6601, 0, 32 * 1024,   4, SECT_4K) },
	{ "at25fs040",  INFO(0x1f6604, 0, 64 * 1024,   8, SECT_4K) },

	{ "at25df041a", INFO(0x1f4401, 0, 64 * 1024,   8, SECT_4K) },
	{ "at25df321a", INFO(0x1f4701, 0, 64 * 1024,  64, SECT_4K) },
	{ "at25df641",  INFO(0x1f4800, 0, 64 * 1024, 128, SECT_4K) },

	{ "at26f004",   INFO(0x1f0400, 0, 64 * 1024,  8, SECT_4K) },
	{ "at26df081a", INFO(0x1f4501, 0, 64 * 1024, 16, SECT_4K) },
	{ "at26df161a", INFO(0x1f4601, 0, 64 * 1024, 32, SECT_4K) },
	{ "at26df321",  INFO(0x1f4700, 0, 64 * 1024, 64, SECT_4K) },

	{ "at45db081d", INFO(0x1f2500, 0, 64 * 1024, 16, SECT_4K) },

	/* EON -- en25xxx */
	{ "en25f32", INFO(0x1c3116, 0, 64 * 1024,  64, SECT_4K) },
	{ "en25p32", INFO(0x1c2016, 0, 64 * 1024,  64, 0) },
	{ "en25q32b", INFO(0x1c3016, 0, 64 * 1024,  64, 0) },
	{ "en25p64", INFO(0x1c2017, 0, 64 * 1024, 128, 0) },
	{ "en25q64", INFO(0x1c3017, 0, 64 * 1024, 128, SECT_4K) },

	/* Everspin */
	{ "mr25h256", CAT25_INFO(  32 * 1024, 1, 256, 2) },

	/* GigaDevice */
	{ "gd25q32", INFO(0xc84016, 0, 64 * 1024,  64, SECT_4K) },
	{ "gd25q64", INFO(0xc84017, 0, 64 * 1024, 128, SECT_4K) },

	/* Intel/Numonyx -- xxxs33b */
	{ "160s33b",  INFO(0x898911, 0, 64 * 1024,  32, 0) },
	{ "320s33b",  INFO(0x898912, 0, 64 * 1024,  64, 0) },
	{ "640s33b",  INFO(0x898913, 0, 64 * 1024, 128, 0) },
	{ "n25q064",  INFO(0x20ba17, 0, 64 * 1024, 128, 0) },

	/* Macronix */
	{ "mx25l2005a",  INFO(0xc22012, 0, 64 * 1024,   4, SECT_4K) },
	{ "mx25l4005a",  INFO(0xc22013, 0, 64 * 1024,   8, SECT_4K) },
	{ "mx25l8005",   INFO(0xc22014, 0, 64 * 1024,  16, 0) },
	{ "mx25l1606e",  INFO(0xc22015, 0, 64 * 1024,  32, SECT_4K) },
	{ "mx25l3205d",  INFO(0xc22016, 0, 64 * 1024,  64, 0) },
	{ "mx25l6405d",  INFO(0xc22017, 0, 64 * 1024, 128, 0) },
	{ "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) },
	{ "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) },
	{ "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512, 0) },
	{ "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) },

	/* Micron */
	{ "n25q128a11",  INFO(0x20bb18, 0, 64 * 1024, 256, 0) },
	{ "n25q128a13",  INFO(0x20ba18, 0, 64 * 1024, 256, 0) },
	{ "n25q256a", INFO(0x20ba19, 0, 64 * 1024, 512, SECT_4K) },

	/* PMC -- pm25x "blocks" are 32K, sectors are 4K */
	{ "pm25lv512", INFO(0, 0, 32 * 1024, 2, SECT_4K_PMC) },
	{ "pm25lv010", INFO(0, 0, 32 * 1024, 4, SECT_4K_PMC) },

	/* Spansion -- single (large) sector size only, at least
	 * for the chips listed here (without boot sectors).
	 */
	{ "s25sl032p",  INFO(0x010215, 0x4d00,  64 * 1024,  64, 0) },
	{ "s25sl064p",  INFO(0x010216, 0x4d00,  64 * 1024, 128, 0) },
	{ "s25fl256s0", INFO(0x010219, 0x4d00, 256 * 1024, 128, 0) },
	{ "s25fl256s1", INFO(0x010219, 0x4d01,  64 * 1024, 512, 0) },
	{ "s25fl512s",  INFO(0x010220, 0x4d00, 256 * 1024, 256, 0) },
	{ "s70fl01gs",  INFO(0x010221, 0x4d00, 256 * 1024, 256, 0) },
	{ "s25sl12800", INFO(0x012018, 0x0300, 256 * 1024,  64, 0) },
	{ "s25sl12801", INFO(0x012018, 0x0301,  64 * 1024, 256, 0) },
	{ "s25fl129p0", INFO(0x012018, 0x4d00, 256 * 1024,  64, 0) },
	{ "s25fl129p1", INFO(0x012018, 0x4d01,  64 * 1024, 256, 0) },
	{ "s25sl004a",  INFO(0x010212,      0,  64 * 1024,   8, 0) },
	{ "s25sl008a",  INFO(0x010213,      0,  64 * 1024,  16, 0) },
	{ "s25sl016a",  INFO(0x010214,      0,  64 * 1024,  32, 0) },
	{ "s25sl032a",  INFO(0x010215,      0,  64 * 1024,  64, 0) },
	{ "s25sl064a",  INFO(0x010216,      0,  64 * 1024, 128, 0) },
	{ "s25fl016k",  INFO(0xef4015,      0,  64 * 1024,  32, SECT_4K) },
	{ "s25fl064k",  INFO(0xef4017,      0,  64 * 1024, 128, SECT_4K) },

	/* SST -- large erase sizes are "overlays", "sectors" are 4K */
	{ "sst25vf040b", INFO(0xbf258d, 0, 64 * 1024,  8, SECT_4K) },
	{ "sst25vf080b", INFO(0xbf258e, 0, 64 * 1024, 16, SECT_4K) },
	{ "sst25vf016b", INFO(0xbf2541, 0, 64 * 1024, 32, SECT_4K) },
	{ "sst25vf032b", INFO(0xbf254a, 0, 64 * 1024, 64, SECT_4K) },
	{ "sst25wf512",  INFO(0xbf2501, 0, 64 * 1024,  1, SECT_4K) },
	{ "sst25wf010",  INFO(0xbf2502, 0, 64 * 1024,  2, SECT_4K) },
	{ "sst25wf020",  INFO(0xbf2503, 0, 64 * 1024,  4, SECT_4K) },
	{ "sst25wf040",  INFO(0xbf2504, 0, 64 * 1024,  8, SECT_4K) },

	/* ST Microelectronics -- newer production may have feature updates */
	{ "m25p05",  INFO(0x202010,  0,  32 * 1024,   2, 0) },
	{ "m25p10",  INFO(0x202011,  0,  32 * 1024,   4, 0) },
	{ "m25p20",  INFO(0x202012,  0,  64 * 1024,   4, 0) },
	{ "m25p40",  INFO(0x202013,  0,  64 * 1024,   8, 0) },
	{ "m25p80",  INFO(0x202014,  0,  64 * 1024,  16, 0) },
	{ "m25p16",  INFO(0x202015,  0,  64 * 1024,  32, 0) },
	{ "m25p32",  INFO(0x202016,  0,  64 * 1024,  64, 0) },
	{ "m25p64",  INFO(0x202017,  0,  64 * 1024, 128, 0) },
	{ "m25p128", INFO(0x202018,  0, 256 * 1024,  64, 0) },
	{ "n25q032", INFO(0x20ba16,  0,  64 * 1024,  64, 0) },

	{ "m25p05-nonjedec",  INFO(0, 0,  32 * 1024,   2, 0) },
	{ "m25p10-nonjedec",  INFO(0, 0,  32 * 1024,   4, 0) },
	{ "m25p20-nonjedec",  INFO(0, 0,  64 * 1024,   4, 0) },
	{ "m25p40-nonjedec",  INFO(0, 0,  64 * 1024,   8, 0) },
	{ "m25p80-nonjedec",  INFO(0, 0,  64 * 1024,  16, 0) },
	{ "m25p16-nonjedec",  INFO(0, 0,  64 * 1024,  32, 0) },
	{ "m25p32-nonjedec",  INFO(0, 0,  64 * 1024,  64, 0) },
	{ "m25p64-nonjedec",  INFO(0, 0,  64 * 1024, 128, 0) },
	{ "m25p128-nonjedec", INFO(0, 0, 256 * 1024,  64, 0) },

	{ "m45pe10", INFO(0x204011,  0, 64 * 1024,    2, 0) },
	{ "m45pe80", INFO(0x204014,  0, 64 * 1024,   16, 0) },
	{ "m45pe16", INFO(0x204015,  0, 64 * 1024,   32, 0) },

	{ "m25pe20", INFO(0x208012,  0, 64 * 1024,  4,       0) },
	{ "m25pe80", INFO(0x208014,  0, 64 * 1024, 16,       0) },
	{ "m25pe16", INFO(0x208015,  0, 64 * 1024, 32, SECT_4K) },

	{ "m25px32",    INFO(0x207116,  0, 64 * 1024, 64, SECT_4K) },
	{ "m25px32-s0", INFO(0x207316,  0, 64 * 1024, 64, SECT_4K) },
	{ "m25px32-s1", INFO(0x206316,  0, 64 * 1024, 64, SECT_4K) },
	{ "m25px64",    INFO(0x207117,  0, 64 * 1024, 128, 0) },

	/* Winbond -- w25x "blocks" are 64K, "sectors" are 4KiB */
	{ "w25x10", INFO(0xef3011, 0, 64 * 1024,  2,  SECT_4K) },
	{ "w25x20", INFO(0xef3012, 0, 64 * 1024,  4,  SECT_4K) },
	{ "w25x40", INFO(0xef3013, 0, 64 * 1024,  8,  SECT_4K) },
	{ "w25x80", INFO(0xef3014, 0, 64 * 1024,  16, SECT_4K) },
	{ "w25x16", INFO(0xef3015, 0, 64 * 1024,  32, SECT_4K) },
	{ "w25x32", INFO(0xef3016, 0, 64 * 1024,  64, SECT_4K) },
	{ "w25q32", INFO(0xef4016, 0, 64 * 1024,  64, SECT_4K) },
	{ "w25q32dw", INFO(0xef6016, 0, 64 * 1024,  64, SECT_4K) },
	{ "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) },
	{ "w25q64", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) },
	{ "w25q80", INFO(0xef5014, 0, 64 * 1024,  16, SECT_4K) },
	{ "w25q80bl", INFO(0xef4014, 0, 64 * 1024,  16, SECT_4K) },
	{ "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
	{ "w25q256", INFO(0xef4019, 0, 64 * 1024, 512, SECT_4K) },

	/* Catalyst / On Semiconductor -- non-JEDEC */
	{ "cat25c11", CAT25_INFO(  16, 8, 16, 1) },
	{ "cat25c03", CAT25_INFO(  32, 8, 16, 2) },
	{ "cat25c09", CAT25_INFO( 128, 8, 32, 2) },
	{ "cat25c17", CAT25_INFO( 256, 8, 32, 2) },
	{ "cat25128", CAT25_INFO(2048, 8, 64, 2) },
	{ },
};
trunk/build_dir/target-mips_r2_uClibc-0.9.33.2/linux-ar71xx_generic/linux-3.8.2/drivers/mtd/devices/m25p80.c

Можно, кстати изменить JEDEC номер hex редактором в ядре (уже собранном) потом запаковать обратно в прошивку. Это крайний вариант, если кто-то не хочет собирать с нуля в linux
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