AMD Élan
AMD Élan is a family of 32-Bit embedded SoCs marketed by AMD based on x86 microprocessors. All of these products have been backed with a long-term supply guarantee to meet the needs of embedded processors. However, when AMD acquired the Geode division from National Semiconductor in August 2003, the product was suddenly discontinued. [1]
SC3xx family
The SC300 and SC310 combine a 32-Bit, x86 compatible, low-voltage 25 MHz or 33 MHz Am386SX CPU with memory controller, PC/AT peripheral controllers, real-time clock, PLL clock generators and ISA bus interface. SC300 integrates in addition two PCMCIA 2.1 slots and a CGA-compatible LCD controller. Power consumption at 33 MHz was only 600 mW including CPU, memory controller and peripherals. In suspend mode consumption reduces to 0.17 mW.[2][3][4][1] The low budget 9.7" laptop Brother GeoBook NB60 uses a SC300[5]
SC4xx family
The SC400 and SC410 combine a 32-Bit, x86 compatible, low-voltage 33 MHz, 66 MHz or 100 MHz Am486 CPU with memory controller, PC/AT peripheral controllers, real-time clock, PLL clock generators, VESA Local Bus and ISA bus interface. SC400 integrates in addition two PCMCIA 2.1 slots and a 4-bit color Super-twisted nematic display (STN) LCD controller.[6] The C64 "Web.it" Internet Computer uses a SC400 with 16 MB of RAM, a 3.5" floppy disk drive, 56k-modem and PCMCIA. [7] The AirPort Base Station uses a SC410[8], the Nokia 9000 Communicator a SC450.[9]
SC5xx family
The SC520 combines a 32 bit, x86 compatible, low-voltage 100 MHz or 133 MHz Am5x86 CPU with memory controller, PC/AT peripheral controllers, real-time clock and PCI bus. ISA and PCMCIA were no longer supported.[10]
Comparison
| Name | Clock speed | FSB | L1 Cache | Microarchitecture | Technology |
|---|---|---|---|---|---|
| SC300-25[2] | 25 MHz | 25 Mhz | – | Am386 | 700 nm |
| SC300-33[2] | 33 MHz | 33 Mhz | – | ||
| SC310-25[3] | 25 MHz | 25 Mhz | – | ||
| SC310-33[3] | 33 MHz | 33 Mhz | – | ||
| SC400-33[6] | 33 MHz | 33 Mhz | 8 kB | Am486 | 350 nm |
| SC400-66[6] | 66 MHz | 33 Mhz | 8 kB | ||
| SC400-100[6] | 100 MHz | 33 Mhz | 8 kB | ||
| SC410-33[6] | 33 MHz | 33 Mhz | 8 kB | ||
| SC410-66[6] | 66 MHz | 33 Mhz | 8 kB | ||
| SC410-100[6] | 100 MHz | 33 Mhz | 8 kB | ||
| SC450-33 | 33 MHz | 33 Mhz | 8 kB | ||
| SC520-100[10] | 100 MHz | 33 Mhz | 16 kB | Am5x86 | 350 nm |
| SC520-133[10] | 133 MHz | 33 Mhz | 16 kB |
References
- ↑ 1.0 1.1 文● 大原雄介 (2011-11-14). "CPU黒歴史 組み込みへの無理解に翻弄されたElan＆Geode" (in 日本語). ascii.jp. Retrieved 2022-11-15.
- ↑ 2.0 2.1 2.2 "Élan ™ SC300 Datasheet" (PDF). AMD. Retrieved 2022-11-15.
- ↑ 3.0 3.1 3.2 "Élan ™ SC310 Datasheet" (PDF). AMD. Retrieved 2022-11-15.
- ↑ "冥界のLSI(4) AMD、Elan SC300/400 Single Chip PC/AT" (in 日本語). AMD. Retrieved 2022-11-15.
- ↑ "GeoBook – The Failed Budget 386sx Laptop in an era of Pentiums". 2020-02-11. Retrieved 2022-12-11.
- ↑ 6.0 6.1 6.2 6.3 6.4 6.5 6.6 "Élan ™ SC400/410 Datasheet" (PDF). AMD. Retrieved 2022-11-15.
- ↑ "C:\B_retro\Ausgabe_23\: Der Commodore Web.it mit Windows 3.1 und AMD Elan" (in Deutsch). ComputerBase. 2020-03-29.
- ↑ Hennessy, John L.; Patterson, David A. (2002). Computer Architecture A Quantitative Approach. Elsevier Science. p. 54. ISBN 9780080502526. Search this book on
- ↑ Potoroaca, Adrian (2022-11-24). "Nokia: The Story of the Once-Legendary Phone Make".
- ↑ 10.0 10.1 10.2 "Élan ™ SC520 Datasheet" (PDF). AMD. Retrieved 2022-11-15.
- ↑ "AMD Elan". www.x86-guide.net. Retrieved 2022-11-15.
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